PRIME B550M-A Technical Specifications
(WI-FI) ASUS WI-FI AM4 Micro-ATX Motherboard
CPU
Chipset AMD B550
CPU Socket AM4
Back Panel I/O
USB 2 x USB 3.1 / USB 3.2 Gen 2 Type-A
4 x USB 3.1 / USB 3.2 Gen 1 Type-A
Thunderbolt None
Display 1 x HDMI 2.1
1 x DVI-D
1 x VGA
Audio 3 x 3.5 mm
Ethernet / Controller 1 x Realtek RTL8111H Gigabit
PS/2 1 x PS/2
Wi-Fi Antenna 2 x Connector
Memory
Memory Slots 4 x 288-Pin
Memory Support DDR4 2133, 2400, 2666, 2800, 3000, 3200, 3466, 3600, 3866, 4000, 4400 MHz
Maximum Capacity 128 GB
Channel Architecture Dual Channel
ECC Support Non-ECC, ECC Unbuffered
Storage Expansion
SATA 4 x SATA III
M.2 1 x M Key 2242, 2260, 2280, 22110 (PCIe 4.0 x4, SATA (Unspecified))
1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4, SATA (Unspecified))
U.2 None
RAID Support RAID 0, 1, 10
Internal I/O
Expansion Slots 1 x PCIe 4.0 x16 (x16 mode)
2 x PCIe 3.0 x1
USB 1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port)
2 x USB 2.0 Header (Supports 4 USB Type-A Port)