Specifications
ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
Product Information
SKU
223594
Mfr Part#
PRIMEB550M-A AC
UPC
192876848401
General Specifications
Packaging
Retail
Chipset
Chipset
AMD B550
BIOS
256Mb AMI UEFI Bios
Manageability
WOL
CPU Support
AMD CPU Support
Ryzen
Socket Type
AM4
Memory Specifications
ECC
Non-ECC; Non-Registered
ECC; Non-Registered
ECC; Non-Registered
Memory Type
DDR4-2133
DDR4-2400
DDR4-2666
DDR4-3200
DDR4-2800
DDR4-3000
DDR4-2400
DDR4-2666
DDR4-3200
DDR4-2800
DDR4-3000
Memory Speeds Supported
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
Memory Slots
4 x 288pin DIMM
Memory Channel Support
Dual Channel
Max Memory Supported
128GB
Maximum Memory Supported Per Slot
32GB
Supported Memory Technologies
ECC Memory Supported
Non-ECC Memory Supported
Non-ECC Memory Supported
Video Specifications
Onboard Graphic Chipset
Requires CPU with Integrated Graphics
Storage Specifications
M.2 Port Type
2242
2260
2280
22110
2260
2280
22110
SATA Express
2 x M.2 Socket 3
M Key
M Key
SATA 6Gb/s
4
RAID Support
RAID 0
RAID 1
RAID 10
RAID 1
RAID 10
Audio Specifications
Audio Chipset
Realtek ALC887/897
Audio Channels
7.1
Networking
WiFi Support
Onboard WiFi
LAN Chipset
Realtek RTL8111H
LAN Speed
10/100/1000Mbps
Wireless Technology
802.11b
802.11g
802.11a
Bluetooth v5.0
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
802.11g
802.11a
Bluetooth v5.0
WiFi 4 (802.11n)
WiFi 5 (802.11ac)
Expansion Slots
PCI Express 4.0 x16
1
PCI Express x1
2
Back Panel Ports
Specialty Ports
2 x WiFi Antenna Ports
USB 3.1
4 x USB 3.2 (Gen 1 Type-A)
2 x USB 3.2 (Gen 2 Type-A)
2 x USB 3.2 (Gen 2 Type-A)
Video Connectors
1 x VGA 15-pin
1 x DVI-D
1 x HDMI 1.4
1 x DVI-D
1 x HDMI 1.4
Legacy Ports
1 x PS/2
LAN Ports
1 x 10/100/1000 RJ-45 LAN
Audio Ports
1 x 3.5 mm Microphone
1 x 3.5 mm Line-In
1 x 3.5 mm Line-Out
1 x 3.5 mm Line-In
1 x 3.5 mm Line-Out
Internal I/O & Connectors
Headers
1 x CPU Fan Header
2 x System Fan Header
2 x System Fan Header
USB
2 x USB 2.0 Headers (4 Ports)
1 x USB 3.2 Gen 1 Type-A Header (2 Ports)
1 x USB 3.2 Gen 1 Type-A Header (2 Ports)
Power
Power Connectors
1 x 24-pin ATX Connector
1 x 8-pin +12 V Connector
1 x 8-pin +12 V Connector
ATX Connector
24-pin ATX Power Connector
Physical Specifications
Depth
9.61 in. (244.00 mm)
Width
9.61 in. (244.00 mm)
Form Factor
microATX
Warranty
Parts
3 Years
Labor
3 Years
Package Contents
What's in the Box
Motherboard, 2x SATA Cables, I/O Shield, M.2 Screws, Antenna, Driver Disc, Manual