AMD delivers significant gains for both single and multi-core functions with the Ryzen 9 3900x. The entry of this processor has since seen shifts in the way we view monster chips. At the same price range as Intel’s i9-9900K with only eight cores, the 12-core Ryzen 9 3900x is a big win for team red.
Based on Zen 2 architecture, this chip leads 7nm processors to the mainstream. No need to step into the HEDT market as it is only topped by the 3950x. With the inclusion of PCIe 4.0, the 3900x is a powerful processor.
This means you will need the best motherboard to pair with this beast.
Required features in a Motherboard for Ryzen 9 3900x
The 3900x is rated for 105 watts. So, the motherboard you choose should support this CPU. You are looking at affordable X470 boards and alternative high-end X570 boards that can power its 12 cores and 24 threads. Only a good VRM can take advantage of this powerful chip.
PCIe 4.0 Support
For those building an entirely new rig, PCIe 4.0 is essential. It affects your choice of components from GPU to SSD and NVMe. This interface gives you double the bandwidth of PCIe 3.0. It means a higher data transfer rate. Which is what you want in the future of gaming and streaming.
A motherboard with PCIe 4.0 support allows you to step into lower latency and higher SSD write and read speeds.
Support for Memory Overclocking
If you plan to run memory at over 5000MHz, this feature is essential. Since AMD relies on fast memory speed to reduce latency, you’ll have to be on the lookout for rated memory speeds for different motherboards.
What makes a good motherboard for Ryzen 9 3900x?
It’s frustrating to find that you’ve run out of memory and storage slots on your motherboard. A good model should give a reasonable number or M.2 slots (at least two), SATA ports, and PCIe slots.
Stuff such as Flash BIOS options and support for ultrafast memory, easy to underestimate. But a nice board offers these features and more. These include multiple heatsinks, armored M.2 slots, and integrated Wi-Fi.
Here are our picks for budget to high-end, enthusiast motherboards for your rig.
ASUS ROG Strix X570-E
4x DDR4 DIMM 128GB
3x PCIe 4.0 x16
ASUS ROG X570 Crosshair VIII Formula
4x DDR4 DIMM 128GB
4x PCIe 4.0 x16
Gigabyte X570 AORUS Xtreme
4x DDR4 DIMM 128GB
3x PCIe 4.0 x16
ASUS Prime X570-P
4x DDR4 DIMM 128GB
2x PCIe 4.0 x16
3x PCIe 4.0 x1
GIGABYTE X570 I AORUS Pro Wi-Fi
2x DDR4 DIMM 64GB
1x PCIe 4.0 x16
ASRock X570M Pro 4
4x DDR4 DIMM 128GB
2x PCIe 4.0 x16
1x PCIe 4.0 x1
Best Motherboard for AMD Ryzen 9 3900x
1. ASUS ROG Strix X570-E Gaming – Best X570 for Gaming
Ryzen generation three processors are designed to realize their full potential on the X570 chipset. As such, ASUS has released several boards fine-tuned with this interface. The ASUS ROG Strix X570-E Gaming is an affordable offering with loads of impressive features.
This board is built for the enthusiast who games and streams. It delivers superb power delivery for reliable performance at its given price point.
High-Standard Layout and Design
We find that this board leans more on the pro side rather than gaming. Based on the AM4 socket, the board features superfast memory support. But what sets it apart is its 12+4 phase VRM. This is power you want to put into good use as it is built to handle high-stakes gaming. We like that the power design comes together with the help of robust alloy chokes and capacitors.
A dual heat-pipe and a heatsink cool down the VRM. Not only that, it throws in a chipset fan for active cooling. Most of us are not fans of active cooling, but since the 3900x is rated for 105TDP, you need to maintain a nice level of cooling for overclocking.
ASUS ROG Strix X570-E is equipped with slots for demanding gamers. You get dual NVMe M.2 slots and eight SATA ports over the PCIe 4.0 interface. For expansion, it offers three PCIe 4.0 x 16 slots. These slots are great for increasing your rig’s capacity, especially if you are building a multi-GPU rig.
Redesigned ROG Overlay
ASUS ROG Strix X570-E features a raindrop word pattern on the chipset’s cover coupled with a black PCB. It is in an ATX form factor, which gives you lots of room for all your components. The board has four DIMM slots for dual-channel memory (up to 128GB). Its impressive that it can support up to 4400MHz memory speed.
Talk about overclocking, and this board got your back. What’s more, the board has an impressive I/O shroud that holds eight USB 3 Gen2 ports. Seven of these are Type-A ports, while one is a Type-C USB port. Alongside, you get dual LAN ports, and Wi-Fi 6 (802.11ax) is integrated.
There’s also a RealTek 2.5 Gigabit port. For audio, ASUS offers better sound performance with RealTek ALC1220 audio codec than the standard ALC1220.
ASUS ROG Strix X570-E is a winner in gaming. It exposes you to advanced features only found on AMD Ryzen 3000 series processors, including the 3900x.
- Wi-Fi 6 integrated
- Includes two pump and five fan headers
- Supports latest graphics technologies
- Pre-mounted I/O shield
- Easy-to-use BIOS
- No onboard thermal sensor
- Lighting software is still lacking
2. ASUS ROG X570 Crosshair VIII Formula – Best High-End Choice
ASUS ROG X570 Crosshair VIII Formula is a top of the line motherboard. It is designed for enthusiasts and extreme overclockers. As such, a discerning enthusiast will be eager to know how far it can push the 3900x.
First, this board comes with a pre-mounted I/O shield. It is super DIY-friendly. The shroud stays out of the way such that headers and the M.2 slots are easy to access. Above the I/O shroud, there are some nice buttons for USB BIOS Flashback, CMOS Clear, power, reset, and POST Code display.
It mixes this superb layout with overclocking tools such as an onboard EKWB VRM block for cooling. The VRM blocks sit on top of the 16-phase VRM. This way, you can cool one M.2 slot onboard. It does not, however, do away with the chipset fan.
So, you still have to contend with active cooling. But we like that you get to work with nine 4-pin headers for water cooling pumps. Even better, it also offers a thermal probe header and two coolant flow meter headers.
It’s not a surprise here to find that the Crosshair VIII Formula has extensive memory support. Being targeted at overclockers, it has RAM support for four strips of 32GB memory modules and a BIOS flashback feature. It has two M.2 PCIe 4.0-enabled slots to provide fast SSD storage, given that it takes advantage of the interface’s double bandwidth.
As a premium motherboard, it boasts an onboard AQC111 GbE controller plus Intel 1211AT gigabit chip, giving you dual LAN. It also has Wi-Fi 6 integrated, which peaks at a fantastic 2600Mbps.
Unlike other ASUS high-end boards, this model features eight USB 3.2 Gen 2 Type-A ports, one USB 3.2 Gen 2 Type-C port, six USB 3.2 Gen 1, and four USB 2.0. For audio, this board comes with an advanced ALC1220 chip that utilizes an ESS ES9023P for improved audio quality.
Crosshair VIII Formula is a top-dog in all-core boosting. The inclusion of a full VRM water block array saves time and effort used to install a third-party block. For its layout and power delivery, we feel this board is a great buy.
- Custom-made VRM water blocks
- 5Gbit Ethernet controller
- BIOS flashback
- 4+8 CPU power inputs
- Supports 3A/36W water-cooling pump power
- No option to remove onboard chipset fan
3. Gigabyte X570 AORUS Xtreme – Best for Workstation GPUs
When it comes to VRM temperatures, some X570 boards don’t cut it. That’s not so with the Gigabyte X570 AORUS Xtreme as it leads the class in power delivery and cooling.
Built for Overclocking
This is the only board with a true 16-phase VRM. With the help of an Infineon XDPE132G5C digital PWM multi-phase controller, each phase is independent. With the 3900x, it’s easy to overclock all cores to 4.3GHz. The board can remain relatively cool below 70 degrees Celsius, even without airflow over the VRMs.
The AORUS Xtreme is also the first motherboard to feature passive cooling. You don’t have to keep up with the high-pitched sounds of a chipset fan. Instead, it uses a heat pipe that runs from the right-side VRMs to the chipset to cool it passively.
It comes with two 8-pin power inputs to deliver lots of power to the CPU. The PCIe front has two full-length slots for PCIe 4.0 x16 and x8. A third full-length PCIe 4.0 x4 slot is included at the bottom. For storage, this board offers three M.2 PCIe 4.0 slots and six SATA slots that support RAID 0, 1, and 10 arrays.
It’s not just about VRM cooling as the M.2 slots also have plenty of cooling. The topmost slot comes with its heatsink while the other two are cooled using a metallic piece that screws onto the chipset’s heatsink.
Memory and Connectivity
AORUS Xtreme supports DDR4-4400, which houses up to 128GB on four memory slots. It also enables you to use ECC memory. On the integrated I/O shield, it’s all about cutting-edge connectivity. This board uses Intel Gigabit and 10GBps Aquantia for dual LAN.
X570 Xtreme has excellent Wi-Fi support with a Wi-Fi 6 802.11ax card. It also has two USB Type-C and two USB 3.2 Gen2*/Gen1 Type-A. And a host of more USB ports integrated on the back panel.
For a board that houses so many parts, it’s impressive how well Gigabyte has managed to maintain a clean layout. First, the 24-pin and fan headers rotate into one section. It lacks any trail wires. The main 24-pin fits into a smaller chassis than on other boards.
Another impressive feature is the dual BIOS. It is user-friendly with a black background complemented by orange accents. On EASY mode, it gives you information about the BIOS version, motherboard type, RAM, and CPU. It also shows you the memory frequency, CPU frequency, voltage, and temperature.
The advanced mode is on a whole new level with lots of headings for system info, boot, favorites, and many others. Finally, there’s the GIGABYTE software like RGB Fusion, APP center, Game Boost, Fast Boot, etc
- Fanless chipset
- 16 true phases
- User-friendly BIOS
- Three-zone RGB
- PWM multi-phase controller
- It’s a High resting temperature
- bit expensive
4. ASUS Prime X570-P – Best Budget X570 Motherboard
ASUS Prime X570-P is equipped to support Zen 2 processors. It is another excellent choice for the 3900x on a budget. With the PCI-E 4.0 chipset, it gives you lots of headroom for high-speed SSDs. If you have an NVMe drive with RAID configuration, you can take advantage of PCIe 4.0 to push read and write speeds to new levels.
Prime X570-P is not about luxurious features. It offers only the must-haves on an X570 board. So, don’t expect onboard Wi-Fi or dual LAN. However, it boasts an 8-phase VRM and an adequate heatsink to wade off heat from the CPU.
The board comes with two M.2 slots that support PCIe 4.0 drives. The slots do not have heatsinks, so you may need to include yours if you plan to have NVMe drives. Or you could place the bootable M.2 SSD on the 11cm slot. This way, it will be away from the video card, and you can reduce heat.
The SATA ports are sufficient as it comes with six. And if you are looking to expand, there are two full-length PCIe 4.0 x16 slots. Especially for those planning to set up a multi-graphics card rig.
Besides, you get up to four RAM slots four 128GB of DDR4. With the 3900x, you can overclock to 4.4GHz, which is pretty amazing.
Unfortunately, ASUS Prime X570-P does not include a pre-mounted I/O shield. It can be complicated to mount one for first-time builders, but it will give you some experience. On the back panel, you have four USB 3.2 Gen2, two USB 3.2 Gen1, and two USB 2.0. It also has a mouse plug, HDMI 1.4b, and one LAN port.
The front panel has two USB 3.2 Gen1 Type-A and two USB 2.0 connectors. It lacks a USB Type-C, which is not regrettable considering its price tag. For cooling, there are five nested fan connectors. But it does not have any support for custom water cooling.
ASUS Prime X570-P is the perfect buy for first-time builders. The layout is simple, and it skips all the non-essentials that add up to a hefty price tag.
- Premium VRM configuration
- Mini heatsink and fan for active cooling
- Easy to use BIOS
- Cool AURA sync RGB
- Lacks Type-C USB
- Lacks back I/O plate
- No heatsinks for M.2 slots
5. Best ITX X570 for 3900x GIGABYTE X570 I AORUS Pro Wi-Fi –
It may be small, but depending on the hardware you build around it, GIGABYTE X570 I can be a powerful gaming rig. It incorporates superior features not seen on many ITX boards.
The X570 I AORUS PRO Wi-Fi has every feature you need in a small form factor. It includes support for fast memory as well as dual M.2 slots. If you are a small rig builder, you are probably considering how much noise your setup will produce.
This board uses a heatsink block to cool the chipset and M.2 heatsink. The fan does not kick in until the temperatures reach 70 degrees. This means it can remain relatively quiet unless you are running an aggressive setup.
On the bottom-right, this board has snuck in one fan header, which sits on the DIMM slot latch. Speaking of DIMM, X570 I AORUS comes with two slots capable of supporting 64GB of DDR4 RAM. When overclocked, it can reach speeds of up to 4400MHz.
We do like that it is in league with some ATX X570 boards featuring an 8-phase digital VRM. It can power monster CPUs like the 3900x. While it supports Ryzen 2000 and 3000 processors, it also includes four SATA ports.
It’s pleasing to find that the DIMM and PCIe 4.0 slots are all reinforced. Reinforcement goes a long way in stabilizing your graphics card hence improving longevity.
For networking, GIGABYTE X570 I AORUS Pro has Wi-Fi 6 and Gigabit ethernet. It not only gives you impressive speeds for streaming and browsing. It has terrific audio. It can prevent audio distortion and detect impedance from different head-worn devices. All thanks to its RealTek ALC1220-VB HD audio codec.
Looking at the back panel, the X570 I AORUS Pro has a pre-mounted IO plate. It not only makes it look premium but also improves the board’s durability. You will find ports for HDMI 2.0 and DisplayPort for AMD’s APUs video output on this plate. There are several USB ports, including USB 3.2 Gen2 Type-C and a USB 3.2 Gen2 Type-A. The other four USB ports are all USB 3.0.
Finally, it has a Q-Flash Plus button and three audio connectors. Not forgetting the onboard RGB LED lighting. And you can add more using the ARGB LED and RGB LED headers if you want to add more.
- Independent power stages
- Automatic overclocking function
- Two PCIe 4.0 M.2 slots
- Smart Fan 5 utility
- Only two fan headers
6. ASRock X570M Pro 4 – Best Micro ATX X570 for 3900x
Most people worry about full features on a Mini-ITX. ASRock is the go-to for a micro-ATX board. It is one of two Micro-ATX motherboards with an updated BIOS that will work with a Ryzen 3900x out of the box.
With the PCIe 4.0 standard, double the bandwidth of the PCIe 3.0 is not the only thing you get to enjoy. This motherboard comes with three M.2 slots. Two are full-length 4x4 slots. Eight SATA 3 ports complement the M.2 slots. These slots are enough for most people’s storage needs.
And it does not stop there. The board offers both HDMI and DisplayPort. It features two USB 3.2 Gen 2; one of Type-C and the other a Type-A. IT also comes with six USB 3.2 Gen1 Type-A ports on the rear and four on the front. There’s also an ethernet port powered by the Intel 1211At Gigabit controller.
The board features elegant fan headers in addition to the chipset fan plug. It’s easy to control fans with either PWM or DC. It also includes ARGB and RGB headers so that you can easily add more RGB.
For audio, ASRock X570M Pro 4 has an onboard Realtek ALC1200 HD audio codec that controls three 3.5mm audio jacks.
Power Delivery and Cooling
ASRock X570M Pro 4 has ten power phases. The VRM and the first M.2 slot have heat sinks. There’s also a 40mm chipset fan for active cooling. The power connector is an 8-pin ATX12V. Ideally, it is not the best for overclocking the 3900x. However, the motherboard manages to control temperatures relatively well. It is a win for those looking to perform intensive tasks from time to time.
Other features include a super-easy UEFI interface. It is user-friendly such that you can go from basic to advanced features without any hitches. For a Micro-ATX motherboard, ASRock X570M Pro 4 is excellent.
- 10-phase VRM
- Out of the box 3900x support
- Onboard RGB headers
- Aluminum alloy heatsink
- Supports 7.1 channel HD audio
- Steel-reinforced GPU slot
- Not designed for enthusiast overclocking