Asus Prime B550M-A WIFI II Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX (primeb550m-awifiii)
Asus Prime B550M-A WIFI II Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX (primeb550m-awifiii)
Hero image 0 of Asus Prime B550M-A WIFI II Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX (primeb550m-awifiii), 0 of 11
Visit the ASUS Store

Asus Prime B550M-A WIFI II Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX (primeb550m-awifiii)

107 ratings

Key item features

  • Ryzen Compatibility: AMD AM4 Socket and PCIe 4.0 support 3rd Gen AMD Ryzen CPUs.
  • Ultrafast Connectivity: Features 1x PCIe 4.0 x16 SafeSlot, WiFi 6, 1Gb LAN, dual M.2 slots (one PCIe 4.0 x4), USB 3.2 Gen 2 Type-A, HDMI 2.1 (4K@60HZ), D-Sub & DVI.
  • Comprehensive Cooling: Includes VRM, PCH heatsinks, hybrid fan headers, and Fan Xpert 2 for thermal management.
  • Robust Safeguards: 5X Protection III offers LANGuard, DRAM/overvoltage protection, SafeSlot Core, and stainless-steel back I/O.
  • Memory Optimization: ASUS OptiMem enables memory to reach higher frequencies with lower voltages, boosting system performance.
  • Stable Power: An 8+1 DrMOS power stage with alloy chokes and capacitors provides reliable power for high-count-core AMD CPUs.
  • Dynamic Lighting: Aura Sync RGB provides synchronizable LED effects across compatible gear, utilizing RGB LED and Addressable Gen 2 RGB headers.
Generated by AI

Specs

Cpu socket type, Socket AM4Motherboard form factor, Micro ATXMemory configuration, ECC MemoryProc. brand, AMDMax RAM, 128 GBBrand, ASUS

About this item

Product details

The item in this listing is a brand new sealed product in its original manufacture retail packaging. This product will come with a Minimum 1 year warranty.
ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)
• 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 6 (802.11ax), 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
• Enhanced Power Solution: 8+1 DrMOS power stages with high-quality alloy chokes and durable capacitors to provide reliable power for the last AMD high-count-core CPUs
• Aura Sync RGB: Synchronizable LED effects across a wide range of compatible PC gear, plus RGB LED and Addressable Gen 2 RGB headers
  • 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 6 (802.11ax), 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
  • Enhanced Power Solution: 8+1 DrMOS power stages with high-quality alloy chokes and durable capacitors to provide reliable power for the last AMD high-count-core CPUs
  • Aura Sync RGB: Synchronizable LED effects across a wide range of compatible PC gear, plus RGB LED and Addressable Gen 2 RGB headers
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Cpu socket type

Socket AM4

Motherboard form factor

Micro ATX

Memory configuration

ECC Memory

Proc. brand

AMD

Warranty

Warranty information

3 Years

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.2 out of 5 stars
stars
107 ratings89 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars57% (61)
  2. 4 stars24% (26)
  3. 3 stars10% (11)
  4. 2 stars2% (2)
  5. 1 star7% (7)

Reviews summary

Pros

  • : The board offers ample features compared with rivals.
  • : Offers stable processing power.
  • : The motherboard has sturdy construction and reliable wi-fi.
  • : The motherboard installs smoothly and supports windows 11 and ddr4.

Neutral

  • : Installer is simple, but driver and usb-c support vary.

Cons

  • : Network connectivity fails without needed software.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 89 reviews

Jul 27, 2026
Reviewer name: Terry
Sold and shipped byNewegg Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Worked great for the compture.

Incentivized Review
Helpful?5CCO2L5L8I151250668347
Jul 23, 2026
Reviewer name: nich
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

good motherboard

very high quality and is compatible with many other pc parts

Review from https://www.asus.com
Helpful?5CCO2L5L8I151250668347
Jul 9, 2026
Reviewer name: Nina
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

great motherboard, no complaints

I don't have any issues with the product, it works perfectly in the computer I made with it and was a perfect choice because it supports DDR4 and I didn't want to buy new ram.

Review from https://www.asus.com
Helpful?5CCO2L5L8I151250668347
Current price is $99.99
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
$99.99
$99.71
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

How do you want your item?
Ships to
Arrives by Tue, Nov 17
|
Sold and shipped by Newegg Inc.
4.606159716544018 out of 5 stars
4.6 stars out of 5, based on 7340 seller reviews(4.6)
Extended holiday returns
Free Holiday returns until Jan 31

More seller options (5)

Starting from $138.39