ASUS motherboards are BEST―that's Best-selling, Easy to use, Stable and Trusted—with over 540 million sold and the most awards won of any brand. Whether you're crafting a build for work or gaming, a diverse selection of models and innovative features make it easy to find the perfect board to suit your needs. Build your next rig with ASUS—the world's number-one motherboard brand.

PCI Express 4.0

Support for the latest PCIe® 4.0 expansion cards and storage devices allows users to enjoy the fastest data speeds available via the 3rd Gen AMD Ryzen™ platform.

Wi-Fi 6 (802.11ax)

The latest Wi-Fi 6 (802.11ax) standard delivers high-efficiency wireless connectivity for better gaming performance on compatible networks. It also offers Bluetooth 5.1 for connections that are up to 2X faster and 4X farther-reaching than before.

2.5G Ethernet

Onboard 2.5G Ethernet gives your wired connection a boost. Up to a 2.5X performance improvement over standard Ethernet connections gives you faster file transfers, the lowest-latency gaming and smoother high-res video streaming.

With a teamed power stage VRM design, Stack Cool 3+ construction for better passive cooling of critical components, ASUS OptiMem technology for higher overclocked memory frequencies and comprehensive cooling solutions, ASUS ROG B550 motherboards provide the rock-solid foundation you need to harness the latest AMD Ryzen™ high–core-count CPUs.

ROBUST POWER DESIGN

Reliable Power, Digitally Controlled

Digital power control and an array of teamed power stages with ProCool II connectors, high-quality alloy chokes and durable capacitors provide reliable power when pushing CPU performance to the limit.

Stack Cool 3+

ASUS Stack Cool 3+ design keeps your system running reliably under heavy load by enhancing passive cooling capacity for critical onboard components.

EFFECTIVE PASSIVE COOLING

Enhanced Heatsink

An array of enhanced cooling solutions, including high-surface-area VRM heatsinks, effective passive chipset heatsinks and dedicated M.2 heatsinks ensure ASUS B550 motherboards and installed components deliver efficient, stable operation even when pushed to the limit.

ASUS AI noise-canceling microphone software supports 3.5 mm, USB, or Bluetooth headsets. The utility leverages a massive deep-learning database to preserve the sound of your voice while eliminating distracting keyboard clatter, mouse clicks and other forms of environmental noise.

  ROG STRIX B550-E GAMING ROG STRIX B550-F GAMING ROG STRIX B550-F GAMING (WI-FI) TUF GAMING B550-PLUS TUF GAMING B550M-PLUS (WI-FI) TUF GAMING B550M-PLUS PRIME B550-PLUS PRIME B550M-A (WI-FI) PRIME B550M-A
 
 
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Series ROG ROG ROG TUF
Gaming
TUF
Gaming
TUF
Gaming
Prime Prime Prime
Form Factor ATX ATX ATX ATX Micro ATX Micro ATX ATX Micro ATX Micro ATX
Power Design 14+2 Teamed Power Stages 12+2 Teamed Power Stages 12+2 Teamed Power Stages 8+2 Teamed Power Stages 8+2 Teamed Power Stages 8+2 Teamed Power Stages Digi+VRM Control Digi+VRM Control Digi+VRM Control
Cooling Onboard Fan Headers 6 6 6 6 4 4 6 4 4
Stack Cool 3+ Yes Yes Yes Yes Yes Yes Yes Yes Yes
VRM & Chipset Heatsink Yes Yes Yes Yes Yes Yes Yes Yes Yes
M.2 Heatsink 2 2 2 1 1 1 - - -
Multi-GPU Support 3-way CFX/ 2-way SLI 2-way CFX 2-way CFX 2-way CFX 2-way CFX 2-way CFX 2-way CFX - -
Expansion Slots PCIe 3.0 x16 2x  PCIe 4.0 x16 SafeSlots (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlots (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlots (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlot (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlot (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlot (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlot (@x16) 1x PCIe 3.0 x16 (max. @x4) 1x PCIe 4.0 x16 SafeSlot (@x16) 1x PCIe 4.0 x16 SafeSlot (@x16)
M.2 1x M.2 22110 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 22110 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 22110 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 22110 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 2280 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 2280 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 2280 (PCIe 4.0 x4 & SATA) 1x M.2 22110 (PCIe 3.0 x4 & SATA) 1x M.2 22110 (PCIe 4.0 x4 & SATA) 1x M.2 2280 (PCIe 3.0 x4 & SATA) 1x M.2 22110 (PCIe 4.0 x4 & SATA) 1x M.2 2280 (PCIe 3.0 x4 & SATA)
Networking Wireless Intel® Wi-Fi 6 AX200 - Intel® Wi-Fi 6 AX200 - Intel® Wi-Fi 6 AX200 - - Intel® Wi-Fi 6 AX200 -
Ethernet Intel® I225-V 2.5Gb Intel® I225-V 2.5Gb Intel® I225-V 2.5Gb Realtek RTL8125B 2.5Gb Realtek RTL8125B 2.5Gb Realtek RTL8125B 2.5Gb Realtek RTL8111H 1Gb Realtek RTL8111H 1Gb Realtek RTL8111H 1Gb
RGB Header 2x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB 1x ARGB, 2x RGB

All prices reflect the final price after savings.