here!

I’m your shopping assistant for PC builds, upgrades, and everything tech.

Got questions? Ask away!

Start a conversation

Help

Hey!

How can we help you today?

Track a package

Start a return

Cancel an order

Resolve a payment issueBilling, declined cards, and payment method update

My Account & SecurityUpdate passwords and security settings

Need more help?

Visit Help Center

Guest account

Build Tools & Resources

New & Trending

Offers for You

Price Protection Deals

For your BusinessNew

Out of stock

$157^.99

Free 30-day Returns
$5.99 Shipping ()

Most customers receive within 7-9 days.

Sold by DuronTechnologies

4.3 (3 seller ratings)

Shipped by DuronTechnologies

Price alert

Add to Wish List

Meet Your Seller

DuronTechnologies

See Seller Store

Main image of ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen) Micro ATX DDR4 Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 2 of 5 - ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen) Micro ATX DDR4 Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 3 of 5 - ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen) Micro ATX DDR4 Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 4 of 5 - ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen) Micro ATX DDR4 Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Alt view image 5 of 5 - ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen) Micro ATX DDR4 Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Shop All ASUS Products | Visit DuronTechnologies Store

ASUS Prime B550M-A AC AMD AM4 (3rd Gen Ryzen) Micro ATX DDR4 Motherboard (PCIe 4.0, WiFi, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)

Be the first to review this product...

AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
Ultrafast Connectivity: 1x PCIe 4.0 x16 SafeSlot, WiFi, 1Gb LAN, dual M.2 slots (NVMe SSD)one with PCIe 4.0 x4 connectivity, USB 3.2 Gen 2 Type-A , HDMI 2.1 (4K@60HZ), D-Sub & DVI
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2 utility
5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O
Boosted Memory Performance: ASUS OptiMem proprietary trace layout allows memory kits to operate at higher frequencies with lower voltages to maximize system performance.

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews

Any questions? Ask Celeste^SM will help you find out quickly.

Try me now

Powered by 3rd Gen AMD Ryzen processors, the ASUS Prime B550M-A AC delivers next-generation speeds with PCIe 4.0, WiFi and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550M-A AC provides mainstream PC users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features.

Additional Information
First Listed on Newegg	September 23, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by DuronTechnologies Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Item#: 9SIC4GSM765299