10 Best Motherboards for Ryzen 9 3900X

No matter if you are a gamer or a content creator, if you still have not experienced the behemoth performance of the Ryzen 9 3900x, you’re surely missing out on a lot! Ryzen 9 3900x is the mainstream processor, nowadays, loaded with 12 cores and a massive 24 threads, at a base clock of 3.8 GHz and a whopping 64 MB L3 Cache, it is the fastest and one of the most efficient CPUs to date. 

For enthusiasts, it offers excellent multithreaded performance that surely tops the rivals in the benchmark. But that’s not just the end! It also supports PCIe Gen4, which is twice as fast as PCIe 3.0, translating into significant speed differences with a data transfer rate of up to 16 GT/s.

But to get the most out of it, it surely needs a powerful motherboard, one that can deliver the performance to its fullest, includes all the latest features, and addresses forward compatibility. Considering the market is full of options and features, i.e, RGB, on-board WiFi, and multi GPU support, we want to make this selection easier for you. 

We’ve done all the research and jotted down the 10 best motherboards for Ryzen 9 3900X to an extent where it is going to be a lot easier for you to select the best one that suits your needs and pocket.

10 Best Motherboard for Ryzen 9 3900X

  1. Best Motherboard for Overclocking Ryzen 9 3900X – MSI MEG X570 GODLIKE
  2. Best Budget Motherboard for Ryzen 9 3900X – ASRock B450 Steel Legend
  3. Best Micro ATX Motherboard for Ryzen 9 3900X – MSI B550M PRO-VDH WiFi
  4. Best Mini ITX Motherboard for Ryzen 9 3900X – Gigabyte B550I AORUS PRO AX
  5. Best Gaming Motherboard for Ryzen 9 3900X – Asus ROG X570 Crosshair VIII Formula 
  6. Best Motherboard for Ryzen 9 3900X – GIGABYTE B550 AORUS PRO AC
  7. Best Graphics Motherboard for Ryzen 9 3900X – MSI MPG X570 GAMING PRO CARBON
  8. Best B450 Motherboard for Ryzen 9 3900X – MSI B450 TOMAHAWK MAX
  9. Best X570 Motherboard for Ryzen 9 3900X – MSI MEG X570 UNIFY
  10. Best B550 Motherboard for Ryzen 9 3900X – Asus ROG STRIX B550-F (WI-FI)

QUICK SUMMARY

ImageMotherboardFeaturesPrice
Best for Overclocking
MSI MEG X570 GODLIKE
MSI MEG X570 GODLIKE
  • Supports up to 128 GB DDR4 RAM
  • Triple PCIe Gen 4 M.2 slots
  • Onboard Wifi 6 & 10G Super Lan Card
  • Add-on stroage and NIC Card
  • PCIe 4.0 compatible
9.9
Check Price
Budget Pick
ASRock B450 Steel Legend
ASRock B450 Steel Legend
  • Supports up to 64GB DDR4 RAM
  • Dual M.2 NVMe slots
  • AMD CrossFire Compatible
  • USB 3.1 Gen 1 Type-C slot
  • Multiple Display Output
9.2
Check Price
MicroATX (mATX)
MSI B550M PRO-VDH WiFi
MSI B550M PRO-VDH WiFi
  • Supports 128 GB DDR4 RAM
  • Powerful 4+2 VRM Setup
  • PCIe Gen 4 x16 slot
  • PCIe Gen 4 NVMe M.2 Slot
  • Onboard WiFi & Bluetooth
9.5
Check Price
Best MiniITX (mITX)
Gigabyte B550I AORUS PRO AX
Gigabyte B550I AORUS PRO AX
  • 8 Digital Power Phases
  • Supports DDR4 5300+ Mhz RAM
  • Dual NVME M.2 slots
  • Onboard Wifi
  • RGB Fusion 2.0
9.4
Check Price
Best for Gaming
Asus ROG X570 Crosshair VIII
Asus ROG X570 Crosshair VIII
  • Powerful 16 Phases VRM Setup
  • Extensive Integrated Cooling
  • Supports up to 128 GB DDR4 RAM
  • Dual NVME PCIe 4.0 M.2 Slots
  • Two PCIe 4.0 x16 Slots 
9.7
Check Price
Best for 3900XT
GIGABYTE B550 AORUS PRO AC
GIGABYTE B550 AORUS PRO AC
  • 14 Phase Digital VRM Design
  • Support for 128 GB of DDR4 RAM
  • PCIe 4.0 x16 Expansion Slot
  • Dual M.2 Slots
  • USB 3.2 Gen 2 
9.4
Check Price
Best for RTX 2080ti
MSI MPG X570 GAMING PRO CARBON
MSI MPG X570 GAMING PRO CARBON
  • 13 Phase Power Design
  • Supports 128 GB of DDR4 RAM
  • Dual M.2 Slots
  • Dual PCIe 4.0 x16 slots
  • 7.1 Channel HD Audio 
9.6
Check Price
Best B450 Motherboard
MSI B450 TOMAHAWK MAX
MSI B450 TOMAHAWK MAX
  • Accented RGB Lighting
  • NVMe supported M.2 Slot
  • Supports 128 GB of DDR4 RAM
  • USB 3.1 Gen 2 Type-C port
  • HDMI Output
9.3
Check Price
Best X570 Motherboard
MSI MEG X570 UNIFY
MSI MEG X570 UNIFY
  • 12+2 Phase Power Delivery System
  • Triple PCIe Gen 4 M.2 Slots
  • 3 PCIe x16 expansion slots
  • CrossFire/SLI support
  • Onboard WiFI 6 & Bluetooth 5.1
9.8
Check Price
Best B550 Motherboard
Asus ROG STRIX B550-F (WI-FI)
Asus ROG STRIX B550-F (WI-FI)
  • 13 DrMos Power Stages
  • Asus Stack Cool 3+
  • Onboard WiFi 6 | Bluetooth 5.1
  • 2.5 Gb Lan | USB 3.2 Gen 2 Type-C
  • Dual NVMe 4 M.2 Slots
9.7
Check Price

Best Motherboard for Overclocking Ryzen 9 3900X

MSI MEG X570 GODLIKE

MSI MEG X570 GODLIKE
Source: MSI

MSI MEG X570 GODLIKE is surely the lord when it comes to overclocking. You can set yourself some serious expectations out of this motherboard. It comes with a hefty list of features and also features a showy design that’s surely going to grab the attention.

First of all, with its 14+4+1 digital VRMs and dual 8 pin power connectors, we are truly convinced it can unleash the maximum performance potential of Ryzen 9 3900X. Further extending the overclocking potential is the core boost technology native to MSI’s enthusiast gaming lineup.

For cooling, as with every other MEG lineup, there are no compromises here. The X570 Godlike is equipped with a plethora of cooling features. The VRMs, MOSFETs, and even the m.2 slot are covered with massive heatsinks of their own. As for the VRMs, they’re connected via a heatpipe to maintain an equilibrium in heat dissipation. But if you’re planning to aspirate the cooling potential, you can also install AIO water cooling using the on-board water pump and water flow connectors. As for the memory, the motherboard features 4 DIMM slots that can support up to 128 GB of DDR 4 RAM, overclockable at 5000 MHz using the A-XMP OC mode. 

And that’s not just it. It’s the features like PCIe Gen 4.0, Triple NVMe M.2 slots, 10GB ethernet controller, 4 PCIe x16 slots, 6 high-speed SATA slots, onboard Wifi 6, and Bluetooth 5.1 that makes this motherboard indispensable for an extreme system build.  For gaming freaks who’re looking for multi-GPU support, all of the four PCIe x16 expansion slots offer 2-way SLI and 4-way Crossfire technology.

In terms of USB connectivity, it offers plenty of options. For the front, you get 1 USB 3.2 Gen 2 Typc-C and 4 USB 3.2 Gen 2 Type-A connectors and at the back, it offers 1 USB 3.2 Gen 2 Type-C and 3 Gen 2 Type-A and 2 USB 3.2 Gen 1 Type A slots.

All of these features topped with accented matte-black PCB, aesthetical RGB dragon logo, mystical RGB lightning on the I/O shield, and the monochrome LED dashboard make this motherboard as good as it gets right now.


Best Budget Motherboard for Ryzen 9 3900X

ASRock B450 Steel Legend

ASRock B450 Steel Legend
Source: ASRock

ASRock B450 Steel legend is the most practical option for budgeted builds of Ryzen 9 3900x for all the obvious reasons. It features a powerful 6 phase power design with each VRM choke delivering 60A power to the motherboard. On top of this, it has a decent RGB accent and all of the comprehensive features for a neat build at a price that’s reasonable. 

As much as its name, the build of this motherboard is quite solid. With extra-large aluminum alloy heat sinks around the VRMS, good-quality Nichicon capacitors, and alloy armor around the rear I/O, it definitely is a solid motherboard for its price. If you plan to throttle the CPU to maximize performance and need AIO water cooling for the reason, you do get 3 water pump fan connectors and a single water pump connector right on the board. Coupled with Sapphire black PCB, the motherboard offers plentiful built-in RGB accents around the rear I/O and VRM heatsinks. But if you would like to add more to the RGB show, you also get the option of RGB LED header and addressable RGB Header.

In terms of storage, it offers dual m.2 SSD slots. The primary slot can offer speeds of 32 Gbps using the PCIe Gen 3 x4 mode and the secondary slot offers 6 Gbps transfer speeds with SATA3 and PCI Gen 3 x2 mode. It can support up to 128 GB of DDR4 RAM via 4 DIMM slots, with overclocking speeds of up to 3533+ MHz.

Considering its a no-frills board, it features two PCIe x16 slots with only the top PCIe x16 slot being metallically reinforced. In addition to this, the PCIe slots feature AMD CrossFireX, enabling multi-GPU support for dual AMD graphic cards. For graphics, it offers multiple display ports, great 7.1 audio channel with gold audio jacks. Over and above, it features plenty of USB connectivity. For the front panel, you get support for 2 USB 3.1 Gen 2 Type-A ports, and on the rear I/O panel, you get 4 USB 3.1 Gen 1 Type-A slots, 1 USB 3.1 Gen 2 Type-A, and a single USB 3.1 Gen 1 Type-C slot.

It is worth mentioning here that the board does not offer on-board WiFi or Bluetooth. But this shouldn’t be a deal-breaker here since you have the option to add a Wireless PCie card in any of the 4 PCIe 2.0 slots on the board.  


Best Micro ATX (mATX) Motherboard for Ryzen 9 3900X

MSI B550M PRO-VDH WiFi

MSI B550M PRO-VDH WiFi
Source: MSI

If you do not need more PCIe slots but also don’t want a mini-ITX build and lose out on all the prominent features, your best would be a micro ATX build. And for that reason, your best bet would be to go for an mATX build.  MSI B550M PRO is definitely a no-frills deal, considering it’s overloaded with powerful features, a high-quality assembly, and jammed with whatever is necessary but at a price that doesn’t cost an arm and a leg!

MSI B550M PRO-VDH comes with a powerful 4+2+1 power phase design infused with MSI’s core boost technology. This motherboard has outperformed many other popular motherboards in the load and overclocking benchmark tests. As for cooling, the motherboard has an extensive heatsink, dedicated M.2 shield frozer and offers complete fan control both via BIOS and MSI’s native software. Along these lines, the motherboard is also optimized for AIO water cooling with a 3 amp water pump PIN header.

In terms of memory, it can support up to 128 GB of DDR 4 memory via 4 DIMM slots. Using the integrated A-XMP profiles, the RAMs can be overclocked to a maximum frequency of 4400 MHZ.

The motherboard also tags along with the latest and lightning PCIe Gen 4 compatibility offering twice as fast speed as the previous Gen 3. For your storage needs, the motherboard offers dual m.2 slots and 4 SATA III slots, with the primary M.2 slot capable of yielding 64 Gbps transfer speeds using the PCI Gen 4 and the secondary slot capable of up to 32 Gbps data transfer speed using the PCI Gen3 mode.

As for PCIe connectivity, there are three PCIe slots, with only the primary PCIe slot capable of operating under PCIe 4.0 mode. The motherboard is also equipped with on-board WiFi and dual-mode Bluetooth, 7.1 channel audio, and also offers USB 3.2 Gen 1 Type-C port each at the front and rear panel. There is also an abundance of USB 3.2 Gen 1 Type-A connections, with 2 connectors available for the front and 4 along with the back panel. Concisely, it’s a great motherboard for those who are not interested in bells and whistles but require a solid and stable performance out of their build.


Best Mini ITX (mITX) Motherboard for Ryzen 9 3900X

Gigabyte B550I AORUS PRO AX

Gigabyte B550I AORUS PRO AX
Source: Gigabyte

GIGABYTE B550I AORUS PRO AX is perfect for a build that’s confined by the mITX but requires the best performance out of the Ryzen 9 3900X. Loaded with 8 phases of powerful PWMs, solid capacitors capable of shunting overall 720A of power using the digital PWM controller, there is no parallel for this board in the mITX arena.

In the same spirit, it offers XMP support for overclocking a maximum of 64GB of DDR 4 RAM for up to staggering 5300 MHz. Regardless of its size, it still features dual NVMe M.2 slots, each configured to take the full advantage of PCIe 4.0 modes and can shunt maximum speeds of up to 64 Gb/s.  

But all of this performance throttling obviously requires some serious thermal dissipation. With a thermal baseplate, multi-layered groovy heat sinks along the chipset and M.2 slots, conjoined by the heatpipe and 5 temperature sensors, this motherboard means business when it comes to cooling. You also get up 3 on-board fan headers if you’re looking to extend that functionality, and can always attach an external CPU Cooler as needed.

As for the expansion slots, there is a single PCIe 4.0 slot, which is capable of delivering double the bandwidth of previous-gen slots at a much lower impedance. Other features include onboard Wifi 6, 2.5 Lan adapter, dual HDMI 2.1, Hi-Fi Audio, and USB 3.2 Gen 2 Type-C port on the back panel. 

But that’s just not it, the motherboard is also all flashy with full RGB treatment with RGB Fusion 2.0, also offering support for additional RGB customization via RGB and digital addressable RGB headers. Lastly, the build quality is indisputable since it features reinforced stainless steel shielding around PCIe slots and memory slots. Overall, this should turn out to be a perfect motherboard for mITX build with Ryzen 9 3900x paired with a decent GPU.


Best Gaming Motherboard for Ryzen 9 3900X

Asus ROG X570 Crosshair VIII Formula

ASUS ROG X570 Crosshair VIII Formula
Source: Asus

If you’re a serious gamer, you wouldn’t just want the aesthetics to be all cool and stylish but a board that can push the limit on the clock. That surely requires a solid motherboard with powerful VRMs and ample cooling. Asus ROG X570 Crosshair VIII Formula is certainly the most exciting one on the list for Ryzen 9 3900X or the Ryzen 9 3900XT. The board comes from the lineup of Republic of Gamers and ticks all the premium features imminently required by most modern gamers.

It’s a powerful kit, featuring 16 power phases, reinforced power connectors, strong alloy chokes and metallic capacitors. All of this supplemented with 960A of power delivers excellent potential for maximizing the overclocking on Ryzen 9 3900x. For stable performance and maximum heat dissipation during the overclocking, the VRMs and the chipset is almost all covered up with massive heatsinks and Superflo fan. Addition of this fan maximizes the heat dissipation over the surface area.

The build is also further strengthened with a cold-rolled backplate and dedicated heatsink for the M.2 area. The motherboard can support up to 128 GB of DDR 4 memory, overclockable at even beyond 4800 MHz. For robust gaming and system responsiveness, all three M.2 slots on the board support PCIe 4.0, capable of propelling a data transfer speed of around 64 Gbps.

To further the gaming enthusiasts, it features 3 PCIe x16 and 1 PCIe x1 expansion slots, with the primary two supported by PCIe 4.0 mode. For those looking to intensify the rig, it has a great multiple GPUs potential with the support of both AMD CrossFireX and NVidia SLI. As for the connectivity, it features on-board Wifi 6, Bluetooth 5, fantastic ROG Supreme 8-Channel Audio I/O, and a myriad of both USB 3.2 Gen 1 and USB 3.2 Gen 2 slots for both the front and back panel.

Lastly, it surely is exciting aesthetically as it is with the features. With an illuminated ROG logo, AURA lighting control software, and ROG strip lighting across the board, you can even scale up the show with RGB and addressable Gen 2 headers.


Best Motherboard for Ryzen 9 3900X

GIGABYTE B550 AORUS PRO AC

GIGABYTE B550 AORUS PRO AC
Source: Gigabyte

Just like its counterpart miTX AX edition, B550 Aours PRO AC is also an excellent contender for overclocking Ryzen 9 series but comes with even additional features that aren’t there in the mini edition. It is embedded with a 12+2 Phase digital VRM design, with each VRM capable of powering 50A onto the chipset. This offsets great performance and overclocking potential for Ryzen 9 3950XT. Along the side of this, there is an advanced cooling setup with big heatsinks around the CPU, dedicated heatsinks for the M.2 slots, 7 temperature sensors, and shielded rear I/O. But if you’re planning to jack up the CPU, you can integrate an AIO water pump with a water cooling CPU header and or install additional fans with onboard headers to fling away the thermal dissipation.

The motherboard allows for up to 128 GB of DDR 4 memory, with an even greater overclocking potential of up to 5400 MHz with XMP profiling. For storage options, we get 6 SATA connectors and dual m.2 connectors. The primary connector supports both SATA and PCIe 4.0 modes whilst the secondary is only able to support PCIe 3.0 mode.

Correspondingly, with three onboard PCIe x16 slots, only the primary slot is capable of supporting the PCIe 4.0 mode. But this shouldn’t offset the expectations since most of the SSDs and graphics cards are still not able to fully integrate PCIe 4.0 right of the box. 

As for the connectivity, the motherboard offers onboard WiFi, Bluetooth, high-res audio, and an HDMI output port. On the rear I/O, you also get 2 USB 3.2 Gen 2 ports, 3 USB Gen 3.1 ports, and 1 USB Type-C port with USB 3.2 Gen 2 support. The only minor gripe on this front is the missing Type-C port for the front.

The motherboard has decent accented RGB along with the rear I/O shield and around the bottom, which can be further customized with 11 different modes of RGB Fusion. If that’s not ample enough, you can add as much RGB as you want for your build with 3 RGB LED headers and 2 digital addressable LED headers on the motherboard.

Overall, the GIGABYTE B550 Aorus Pro covers all the aspects of a performance motherboard with solid build quality and a cluster of features, making this motherboard a great fit for Ryzen 9 build.


Best Graphics Motherboard for Ryzen 9 3900X

MSI MPG X570 GAMING PRO CARBON

MSI MPG X570 GAMING PRO CARBON
Source: MSI

If you’re looking for a build of Ryzen 9 3900X infused with either the Nvidia’s RTX 2080ti or Radeon RX 5800, you do need a powerful motherboard that has ample power to run power-hungry components along with PCI Gen 4.0 to reduce gaming latency. That’s exactly why MSI MPG X570 Gaming Pro Carbon is the best choice for a build of this sort. It features a 10+2 phase power design supported by 8 and 4 pin power connectors, sufficient to juice up the latest CPU and GPU.  

The motherboard is capable of supporting a dual-channel DDR4 memory of 128 GB. If you’d like to further jack up the performance, you can overclock the RAM up to 4400+ MHz using the A-XMP OC modes available via BIOS. To satisfy the demands of storage, there are 4 SATA ports and dual M.2 slots. One of these M.2 slots supports PCIe Gen 4 mode, capable of fast data transmission speed and lower latency.

As for expansion slots, the mobo can integrate dual-GPUs with its PCIe x16 slots. Both of the slots also support PCIe 4.0 modes, however the secondary PCIe slot can only support x4 mode. There is also a PCIe 3.0 x1 slot in case you’d like to add a separate network or sound card.

As for connectivity, the motherboard offers onboard Wi-Fi, Bluetooth 5.1, high-quality 7.1-channel HD audio, and a high-speed LAN connector. With reference to USB connectivity, there is an option for 4 USB 3.2 Gen 1 ports for the front via the internal onboard connector and on the rear panel, we have 3 USB 3.2 Gen 2 Type-A ports, 2 USB 3.2 Gen 1 Type-A ports, and 1 high-speed USB 3.2 Gen 2 Type-C port.  

Overall, the motherboard is a great no-frills, no-stir option for a powerful PC build. It includes all the inevitable features of a gaming motherboard but with an aesthetic design, native black carbon PCB, and decent RGB accents. And over and above, it allows for extending your build’s RGB aura with RGB and addressable RGB headers. 


Best B450 Motherboard for Ryzen 9 3900X

MSI B450 TOMAHAWK MAX

MSI B450 TOMAHAWK MAX
Source: MSI

Ever since the second-generation B450 and X470 motherboards were released, there have been very few models that have been refreshed to an extent that they can include all the latest PCIe 4.0 capabilities. However, for people who’ll be upgrading their SSDs and graphic cards once in a blue moon but want a build that can get them stable performance, powerful connectivity features, and great RGB accents, MSI B450 Tomahawk with all its powerful VRM setup, extensive heatsinks, and increased RAM support, is definitely the best B450 motherboard out there in the market.

With an accented matte-black PCB flamed by a descent of RGB lighting, it features a solid build quality, powerful power phase design to maximize the overclocking potential of  Ryzen 9 3900x. The MOSFETs are entirely covered up with a heat sink that extends up to the rear IO.

On the memory front, It supports up to 128 GB of DDR4 memory, overclockable at a maximum of 4133 MHz with its native A-XMP profile. On the downside, it only features a single NVMe M.2 slot but this shouldn’t be the stumbling block here since the motherboard also integrates 6 SATA slots for maximizing storage capabilities.

The motherboard is integrated with a total of two PCIe x16 slots and three PCIe x1 slots. An important factor to note here is that only the primary PCIe x16 slot is fully configured at x16, with the remaining only supporting x4 mode. The primary PCIe x16 slot is also protected by MSI’s Steel Armor Protection.

On the rear I/O, MSI has included dual USB 3.1 ports, with one Type-A and one Type-C port, DVI-D and HDMI ports, and also a single LAN port. The average audio is only the mark that goes against the IO part of the board. To put all of the above into perspective, this B450 motherboard has above-par features for an entry-level Ryzen-based gaming PC with plenty of features to utilize in a decent price tag. 


Best X570 Motherboard for Ryzen 9 3900X

MSI MEG X570 UNIFY

Best Motherboard for Ryzen 9 3900X
Source: MSI

For purporting the best support for the highest-clocked AMD 3rd gen Ryzen 9 3900X, MSI MSG X570 offers exciting features right off the board. It’s a rock-solid and feature-rich X570 motherboard with super VRMs that are on par with the top boards, plenty of expansion slots, and easy manageable BIOS for a first time builder. The obvious place to begin is with the premium VRM layout. It features a VRM design of 12+2+1 phase power delivery system, titanium chokes, IR3555 MOSFETs. With this, there are dual 8-pin connectors for the CPU, which are powerful enough to even support the forthcoming Ryzen series.

In the cooling department, the motherboard is equipped with an abundance of heatsinks covering the VRMs, a fan to expel heat on the surface area, heatsinks on the rear I/O panel, and loads of fan headers and AIO water pump connector.

The most notable feature for this motherboard is the integration of three PCIe Gen4 M.2 slots, capable of shunting twice the speeds of its previous Gen3, laying the foundation for true next-gen storage speeds. Each of these M.2 slots is covered with dedicated heatsinks.

As for the expansion slots, MSG X570 features 3 PCIe 4.0 x16 slots and 2 PCIe 4.0 x1 slots. But the focal point here is that all of these 5 PCIe slots are configured to take full advantage of the PCIe 4.0 mode. For the climax, the motherboard supports multi-GPU support with 2-way NVidia SLI support and 3-way AMD Crossfire support

In other listable features, it offers high-speed USB 3.2 Gen 2 slots, 2.5G Lan Port, and onboard Intel WiFi 6 and Bluetooth 5.1.  If you also fiddle with some content creation, the motherboard also features high-quality 7.1 channel high definition audio support. On the downside, MSI has completely taken off RGB lighting in this motherboard, but the features included on this board don’t make RGB missed at all. But in case, you’re too much into an RGB build, there are RGB, addressable RGB, and CORSAIR connectors to bring out the accents you’re after.


Best B550 Motherboard for Ryzen 9 3900X

Asus ROG STRIX B550-F (WI-FI)

Asus ROG STRIX B550-F (WI-FI)
Source: Asus

ASUS ROG B550-F brings noticeable updates over the previous-gen B450F, with 20% faster ram speeds, 42% faster-overclocking ram speed, and the addition of PCIe 4.0 x16 slot. But before anything else, the motherboard features even reliable power stages with 12+2 DrMos PWM, high-quality capacitors, 6-layer PCB. And even more than that is the greater cooling with VRM heatsinks, thermal padding, separate heatsinks for each M.2 slot. And all of this doesn’t suffice, it even has a dedicated pair of AIO pump fan header and a surplus of fan headers.

And as noted earlier, it comes with an enhanced memory profile with ASUS Optimem II, which ensures outclass reduction in latency and crosstalk. For the figures, the motherboard can support a maximum of 128 GB of DDR ram, overclockable with XMP profile to a whopping 5100 MHz. For the storage, the board features dual M.2 slots with the primary slot supporting PCIe 4.0 mode. Both of these slots are also configured to take advantage of the NVM express RAID more to ensure the fastest data speeds and maximum storage flexibility.

For expansion, the motherboard offers 2 PCIe x16 slots with 1 offering support for PCIe 4.0 mode. If you’re a content creator, the board has a provision for one PCIe x1 slot in case you’d like to add on Thunderbolt 3 functionality. It is worth mentioning that B550-F is capable of running dual-GPUs with support from both AMD CrossFire and NVIDIA SLI.

The motherboard provides even greater flexibility in terms of connectivity with 2.5 Gb LAN, Intel Wi-Fi 6, Bluetooth, and both front-panel and rear panel USB 3.2 Gen 2 ports and a rear USB-C Gen 3.2 slot.

Aesthetically, the board has an excellent layout with decent RGB on the board but it’s not too extortionate. Owing to this, there’s the RGB illuminated ROG logo on the rear I/O and luminous STRIX branding on the bottom part of the motherboard. For additional RGB lighting and blinds of the same sort, the mobo does offer both RGB and addressable RGB headers. Overall, the motherboard renders all the enthusiast features for gaming and productivity making it a great B550 motherboard for Ryzen 9 builds.


Our Review Process: Why You Should Trust Us

Here at OvrClock, we are committed to keeping our editorial and product recommendation processes completely independent from our monetization — so, you can always be sure we are recommending the best PC Parts for you without any partiality.

The OvrClock team has been reviewing all parts of a PC build for years now, and we use our expert opinion and experiences when making recommendations. We try to get our hands on and actually test all of the products we recommend, in addition to the dozens of alternatives that are not on the final list. This allows us to provide insights beyond what you can find from reading other online reviews, and get a true and more clear understanding of the best options. Our diverse team and vast experience also allow us to highlight each product’s ideal use cases, as well as the perfect customer profile for any given product.

For motherboards, we test things including but not limited to: power delivery setup, base and overclocking speeds, ports, audio and Wi-Fi connectivity, and RGB customizability, among many other factors. Our experience allows us to translate these insights into actionable conclusions and purchase recommendations for you, without you having to test all the products, or having to sift through piles and piles of data from our motherboard testing. All of the recommended motherboards and dozens of others not in this roundup have been tested with a Ryzen 9 3900X processor, and the aforementioned motherboards have been shortlisted based on their stellar performance with the Ryzen 9 3900X processor.

For any questions about our product selection and recommendation process, feel free to contact us.


Best Motherboard for Ryzen 9 3900X – Final Call

Best Value
Asus ROG STRIX B550-F (WI-FI)
Asus ROG STRIX B550-F (WI-FI)
  • 13 DrMos Power Stages
  • Asus Stack Cool 3+
  • Onboard WiFi 6, Bluetooth 5.1
  • 2.5 Gb Lan
  • USB 3.2 Gen 2 Type-C
  • Dual NVMe 4 M.2 Slots
Budget Pick
ASRock B450 Steel Legend
ASRock B450 Steel Legend
  • Supports up to 64GB DDR4 RAM
  • Dual M.2 NVMe slots
  • AMD CrossFire Compatible
  • USB 3.1 Gen 1 Type-C slot
  • Multiple Display Output
Premium Pick
MSI MEG X570 UNIFY
MSI MEG X570 UNIFY
  • 12+2 Phase Power Delivery System
  • Triple PCIe Gen 4 M.2 Slots
  • 5 PCIe expansion slots
  • CrossFire/SLI support
  • Onboard WiFI 6 & Bluetooth 5.1

FAQs

What is the best budget motherboard for Ryzen 9 3900X?

The best budget motherboard for Ryzen 9 3900X is the ASRock B450 Steel Legend in our team’s testing and experience. It delivers great performance with any type of use, particularly for its affordable price point.

Does Ryzen 9 3900X support X570?

Ryzen 9 3900X processors do indeed support the X570 chipset. In fact, the Ryzen 9 3900X supports all 400- and 500-series chipset motherboards.

Is B550 good for Ryzen 9 3900X?

Overall, B550 chipset motherboards are a great option for Ryzen 9 3900X. While their performance isn’t quite comparable to X570 chipsets, their cheaper price point makes them a great option for more casual users.

How much RAM can a Ryzen 9 3900X support?

A Ryzen 9 3900X can support up to 128 GB of RAM, like all Ryzen processors. In our experience, 32 GB or at most 64 GB should be enough for most use cases.

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