Best Motherboards for AMD Ryzen 9 3900X in 2021
The AMD Ryzen 9 3900X is a robust processor, but it surely’s solely in a position to hit its full potential with the motherboard. We rounded up a few of the finest motherboards to make use of with the processor.
The Ryzen 9 3900X is the penultimate third-gen Ryzen CPU from AMD, topped solely by the 16-core/32-thread Ryzen 9 3950X. This 12-core CPU excels at productiveness duties however it’s additionally fairly good gaming CPU, and it’ll solely get higher at video games as soon as next-gen consoles come out and builders begin optimizing video games for extra cores and threads.
AMD charges the Ryzen 9 3900X at 105 watts. This implies you’ll want a high-quality board for this CPU. The excellent news is that there are a number of funds fashions with high-quality sufficient VRM that may assist this CPU. In fact, there’s a bunch of X570 fashions that may match the invoice however we sifted by way of the providing and included the very best picks on this record. We’ve additionally discovered a high-quality mATX board and a few glorious Mini-ITX motherboards.
Simply do not forget that, finally, all of it comes right down to options. Some high-quality B450 boards are sufficient for the 3900X however they often don’t include superior options. Stuff like three M.2 slots, assist for 128 GB of reminiscence, assist for ultra-fast reminiscence, Flash BIOS and Clear CMOS choices, armored M.2 slots, a bunch of heatsinks masking many of the board, flashy RGB, high-end audio part, SLI assist and three PCIe x16 slots, PCIe 4.0 assist or effectively populated again panel.
Best Selling Motherboards for AMD Ryzen 9 3900X
Best X470: ASUS ROG Strix X470-F
Top Features
- Powered by AMD Ryzen 2 AM4 and 7th generation Athlon processors to maximize connectivity and speed with dual NVMe M.2, front panel USB 3.1 Gen2 and Gigabit LAN
- 5 Way Optimization with Auto Tuning and Fan Xpert 4 automatically tailors overclocking profiles to your unique build for maximum OC performance and dynamic system cooling
- Unmatched personalization with ASUS exclusive Aura Sync RGB lighting, 2 RGB headers and one addressable RGB header
- Pre mounted I/O shield ensures streamlined installation and represents ROG's attention to detail and quality. ROG RAMCache II. 256 Megabytes Flash ROM. Operating System Windows 10 64 bit
- Industry leading 8 channel HD audio driven by Japanese capacitors features an onboard LED illuminated design
Premium X570: ASUS ROG Strix X570-E
Top Features
- AMD AM4 Socket and PCIe 4. 0: The perfect pairing for Zen 3 Ryzen 5000 & 3rd Gen AMD Ryzen CPUs
- Aura Sync RGB: ASUS-exclusive aura Sync RGB lighting, including RGB headers and addressable Gen 2 headers
- Comprehensive cooling: active PCH heatsink, MOS heatsink with 8mm Heatpipe, Dual on-board M. 2 heatsinks and a water pump plus Header
- Gaming connectivity: supports PCIe 4. 0, HDMI 2. 0, DisplayPort 1. 2 and features dual M. 2 and USB 3. 2 Type-A and Type-C connectors
- Gaming networking: 2. 5Gbps LAN and Intel Gigabit Ethernet With ASUS LANGuard, Wi-Fi 6 (802. 11Ax) with MU-MIMO, and Gateway teaming via GameFirst V
Budget B450: ASRock B450M Steel Legend
Top Features
- CPU: Socket AM4, Digi Power design, 6 Power Phase design, Supports 105W Water Cooling (Pinnacle Ridge); Supports 95W Water Cooling (Summit Ridge); Supports 65W Water Cooling (Raven Ridge)
- Chipset: AMD Promontory B450. OS - Microsoft Windows 10 64-bit
- Slots: 6x PCI-Express 3.0 x16 Slots (one run at x8, three runs at x4, one run at x2), 4x PCI Express 2.0 x1 Slots
- Supports DDR4 3533+ (OC)
- 6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
Entry X570: ASUS Prime X570-P
Top Features
- AMD AM4 Socket and PCIe 4. 0: The perfect pairing for Zen 3 Ryzen 5000 & 3rd Gen AMD Ryzen CPUs.Manageability: WOL by PME, PXE
- Industry-leading cooling options: comprehensive controls for fans and AIO pump, via fan Xpert 4 or the acclaimed UEFI
- Asus Optic-MEM: careful routing of traces and vias to preserve signal integrity for improved Memory overclocking
- Next-gen connectivity: supreme flexibility With PCIe Gen 4 support, Dual M. 2 support, USB 3. 2 Gen 2 ports
- Aura Sync RGB header: synchronize RGB header with a vast portfolio of compatible PC gear, including next-gen addressable RGB strips
Enthusiast Build: ASUS ROG X570 Crosshair VIII Formula
Top Features
- AMD AM4 Socket and PCIe 4. 0: The perfect pairing for Zen 3 Ryzen 5000 & 3rd Gen AMD Ryzen CPUs
- Comprehensive thermal design: integrated cross Chill EK III, active PCH heatsink, M. 2 aluminum heatsink, and ROG cooling zone.
- High-performance networking: on-board Wi-Fi 6 (802. 11Ax) with MU-MIMO support, 5G and Gigabit Ethernet courtesy of aquatic and Intel, both with Asus Languid protection and support for GameFirst V software.
- 5-Way Optimization: automated system-wide tuning, providing overclocking and cooling profiles that are tailor made for your rig.
- Diy friendly design: pre-mounted I/O shield, Asus safe Slot, BIOS Flashback and premium components for maximum endurance.

My name’s George Owens and from past 10 years I am working as hardware engineer and built many PCs for myself and my friends. I love gaming, programming, graphics designing and basically anything that has to do with computers and technology. If you ever need a hand with anything, feel free to contact me and I will be more than happy to help you out.