ASUS PRIME B550M-A (WI-FI) Review & Specs

ASUS Prime B550M-A WiFi AM4 Micro ATX PCIe 4.0 WiFi 6 HDMI 2.1/D-Sub

ASUS Prime B550M-A WiFi AM4 Micro ATX PCIe 4.0 WiFi 6 HDMI 2.1/D-Sub

- ASUS

★ ★ ★ ★ ☆
(11 reviews)

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  • 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, Chipset 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 For Greater Customization

Specs Overview

Model
  • PRIME B550M-A (WI-FI)
  • 90MB14D0-M0EAY0
Release Date June 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Socket AM4
Form factor Micro ATX
Chipset AMD B550
Supported Memory DDR4:
2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3866Mhz 4000Mhz 4400Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
* ECC memory support also depends on the CPU memory controller
Audio Chipset Realtek ALC887
Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x PS/2 keyboard/mouse combo port(s)
  • 1 x DVI-D
  • 1 x D-Sub
  • 1 x HDMI
  • 1 x LAN (RJ45) port(s)
  • 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
  • 4 x USB 3.2 Gen 1 (blue) Type-A
  • 3 x Audio jack(s)
  • 1 x ASUS Wi-Fi Module
Wireless LAN
Wi-Fi Generation 6
PCI-Express x16 Slots 1
PCI-Express x4 Slots 0
PCI-Express x1 Slots 2
SATA 6 Gbps Ports 4
SATA Express Ports 0
M.2 Ports 2
RAM Slots 4
Maximum Supported RAM 128GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0


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