Product Description
Asus PRIME B550M-A, AMD B550, AM4, Micro ATX, 4 DDR4, VGA, DVI, HDMI, PCIe4, M.2
Motherboard Type
Desktop
Form Factor
Micro ATX
Socket
AMD AM4
Chipset
AMD B550
CPU Support
Click here for CPU support

*Note: not compatible with Ryzen 5 3400G & Ryzen 3 3200G CPUs
RAM Technology
DDR4 (Dual Channel)
RAM Slots
4 x DIMM
RAM Speeds
3rd Gen AMD Ryzen CPUs:
4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz

Next Gen AMD Ryzen PRO CPUs:
4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz
Maximum Memory
128GB
Graphics
Integrated Graphics Processor*

Graphics specifications may vary between CPU types
Graphics Ports
1 x VGA
1 x DVI-D
1 x HDMI
Multi-GPU Support
-
PCI/PCI Express
1 x PCIe 4.0 x16 (x16 mode)
2 x PCIe 3.0 x1
Storage
4 x SATA III
1 x M.2 (2242/2260/2280/22110) - SATA & PCIe
1 x M.2 (2242/2260/2280) - SATA & PCIe
RAID
RAID 0, 1, 10
Wireless
-
LAN
GB LAN
Audio
Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC
USB Ports Supported
2 x USB 3.2 Gen2 Type-A (at back)
6 x USB 3.2 Gen1 (4 at back, 2 at mid-board)
4 x USB 2.0 (at mid-board)
Back Panel I/O Ports
1 x PS/2 keyboard/mouse
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45)
2 x USB 3.2 Gen2 Type-A
4 x USB 3.2 Gen 1 Type-A
3 x Audio jacks
Internal I/O Connectors
1 x CPU Fan
1 x CPU OPT Fan
2 x Chassis Fan
2 x Aura RGB Strip
1 x Addressable Gen2
1 x USB 3.2 Gen1
2 x USB 2.0
2 x M.2 Socket 3 with M key
1 x SPI TPM
4 x SATA 6Gb/s
1 x S/PDIF out
1 x 24-pin EATX
 
1 x 8-pin EATX 12V
1 x Front audio
1 x Clear CMOS jumper
1 x System panel
1 x COM port
1 x Speaker
Accessories
I/O Shield
2 x SATA 6Gb/s cables
1 x Supporting DVD
User manual
1 x M.2 SSD screw package
Additional Features
See Overview
Package Type
Retail
Package Weight
0.9800 kg
Warranty
3 Years