Accessories : Motherboards : SKU: PRIME B550M-A/CSM


Manufacturer: Asus

Part Number: PRIME B550M-A/CSM

UPC: 0192876755532

Thinking of making a large purchase?

Asus PRIME B550M-A/CSM - motherboard


Free shipping to 48 states


Estimated Delivery with free shipping by:

Saturday July 20th*

* If ordered today with free shipping.


  • ASUS PRIME series is expertly engineered to unleash the full potential of your CPU platform
  • Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options
  • Provide daily users and DIY PC builders a range of performance tuning options via intuitive feature
  • AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ Processors
  • Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
  • Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced
  • Aura Sync-capable hardware

  • Specification

    Audio HD Audio (8-channel)
    Chipset Type AMD B550
    Compatible Processors Ryzen (supports 3rd Generation Ryzen / 3rd Generation Ryzen with Radeon Graphics)
    LAN Gigabit Ethernet
    Max RAM Size 128 GB
    Processor Socket 1 x Socket AM4
    Product Type Motherboard - micro ATX
    RAM Supported 4 DIMM slots - DDR4, non-ECC, ECC, unbuffered
    Storage Ports 4 x SATA-600 (RAID), 2 x M.2
    USB / FireWire Ports 2 x USB 3.2 Gen 2 + 4 x USB 3.2 Gen 1 + (2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers)
    Warranty 3 Year

    In The Box

  • PRIME B550M-A/CSM - motherboard