MSI B550M-A PRO MICRO ATX AMD AM4 MOTHERBOARD


Socket: AMD AM4; Chipset: B550.

Memory: Dual‑channel, 2 DIMM slots, up to 64 GB.

Expansion: 1 PCIe x16 (Gen4/Gen3), 1 PCIe x1, 4 SATAIII ports, 1 M.2 slot.

Specifications

Socket AMD Socket AM4
Chipset AMD B550 Chipset
Memory Channel Dual
DIMM Slots 2
Max Memory (GB) 64
PCI-E x16 1
PCI-E Gen Gen4 / Gen3
PCI-E x1 1
SATAIII 4
M.2 Slot 1
RAID 0/1/10
TPM (header) 1
USB 3.2 ports (Front) 2 (Gen 1, Type A)
USB 3.2 ports (Rear) 4 (Gen 1, Type A)
USB 2.0 ports (Front) 4
USB 2.0 ports (Rear) 2 (Type A)
Serial ports (Front) 1
Audio ports (Rear) Realtek ALC892/ALC897 Codec
DVI-D 1
HDMI 1
DirectX 12
CPU Support Support for Windows 10 64-bit
Form Factor MATX

Key Features

  • AMD B550 chipset with AM4 socket for 3rd/4th‑gen Ryzen CPUs
  • Dual‑channel DDR4 memory: 2 DIMM slots supporting up to 64 GB
  • PCIe 4.0 x16 slot and PCIe 3.0 x1 slot for graphics and expansion cards
  • High‑speed storage options: 1 M.2 slot, 4 SATA III ports with RAID 0/1/10 support
  • Extensive USB connectivity: 6 USB 3.2 Gen1 (2 front, 4 rear) and 6 USB 2.0 ports
  • Integrated graphics outputs: HDMI and DVI‑D ports, Realtek ALC892/ALC897 audio codec
  • Built‑in TPM header and compact micro‑ATX (MATX) form factor
SKU: 1089574 Category:
Socket AMD Socket AM4
Chipset AMD B550 Chipset
Memory Channel Dual
DIMM Slots 2
Max Memory (GB) 64
PCI-E x16 1
PCI-E Gen Gen4 / Gen3
PCI-E x1 1
SATAIII 4
M.2 Slot 1
RAID 0/1/10
TPM (header) 1
USB 3.2 ports (Front) 2 (Gen 1, Type A)
USB 3.2 ports (Rear) 4 (Gen 1, Type A)
USB 2.0 ports (Front) 4
USB 2.0 ports (Rear) 2 (Type A)
Serial ports (Front) 1
Audio ports (Rear) Realtek ALC892/ALC897 Codec
DVI-D 1
HDMI 1
DirectX 12
CPU Support Support for Windows 10 64-bit
Form Factor MATX

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