ASUS Prime B550M-A

Memory Type………………DDR4
Memory Channel………….Dual (2)
Memory Type (ECC)……..ECC/Non-ECC
Memory Type (R/U)……..UDIMM (Unbuffered)
Max. Memory Capacity….128GB

Memory Speed (Mhz)
DDR4 – 2133
DDR4 – 2400
DDR4 – 2666
DDR4 – 2800
DDR4 – 3000
DDR4 – 3200
DDR4 – 3200(OC)
DDR4 – 3466(OC)
DDR4 – 3600(OC)
DDR4 – 3866(OC)
DDR4 – 4000(OC)
DDR4 – 4400(OC)

Audio……………………………..Realtek ALC887 7.1 HD Audio
Primary GPU Interface……..PCIe 4.0 (x16)
NVIDIA SLI Support…………Not Supported
AMD CrossFire Support…….Not Supported
Integrated Graphics…………..Requires Processor Graphics or Discrete GPU

On-Board Graphics Connectors
D-Sub (VGA)
DVI-D
HDMI 2.1

Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen3/SATA
1 x M.2, 22-42/60/80/110, PCIe Gen4x4/SATA
2 x PCIe 3.0 x1
1 x PCIe 4.0 x16

SATA Support
SATA3 / M.2
RAID Support via SATA3 / M.2

Storage Mode Support
RAID 0
RAID 1
RAID 10

Internal I/O
1 x 24-pin (Power)
2 x 4-pin CHA_FAN connector
1 x 4-pin CPU Fan Connector
1 x 4-pin CPU OPT Fan Connector
1 x 8-pin (Power)
1 x Aura Addressable Gen2 Header
2 x Aura RGB Strip Headers
1 x Clear CMOS Header
1 x Front Panel Audio Header
4 x SATA III – 6Gb/s
1 x Serial (COM) Header
1 x speaker header
1 x System panel connector
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
1 x USB 3.2 Gen1 Header

Network Interface Type
Wired Gigabit LAN (10/100/1000)

Network Chip/Modules
1 x Realtek RTL8111H (Gigabit LAN)

Rear I/O Connectors
1 x 10/100/1000 (LAN)
1 x D-Sub (VGA)
1 x DVI-D
1 x HDMI
1 x Line In
1 x Line Out
1 x Mic-In
1 x PS/2 Keyboard/Mouse Combo
4 x USB 3.2 Gen1 Type-A
2 x USB 3.2 Gen2 Type-A