Model | |
Brand | ASUS |
Model | PRIME B550M-A WIFI II |
Supported CPU | |
CPU Socket Type | AM4 |
CPU Type | Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Processors |
Chipsets | |
Chipset | AMD B550 |
Memory | |
Number of Memory Slots | 4x288pin (DDR4) |
Memory Standard | DDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133* |
Maximum Memory Supported | 128GB |
Channel Supported | Dual Channel |
ECC Supported | ECC memory (ECC mode) support varies by CPU |
Buffer Supported | Un-buffered |
Expansion Slots | |
PCI Express 4.0 x16 | 1 x PCI Express 4.0 x16* |
PCI Express x1 | 2 x PCIe 3.0 x1 |
Storage Devices | |
SATA 6Gb/s | 4 x SATA 6Gb/s |
M.2 | AMD Ryzen 5000 Series/ 3000 Series Desktop Processors: |
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) | |
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors: | |
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) | |
AMD B550 Chipset: | |
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) | |
SATA RAID | 0/1/10 |
Onboard Video | |
Onboard Video Chipset | Supported only by CPU with integrated graphic |
Onboard Audio | |
Audio Chipset | Realtek 7.1 Surround Sound High Definition Audio CODEC |
Audio Channels | 7.1 Channels* |
Onboard LAN | |
LAN Chipset | Realtek 1Gb Ethernet |
Max LAN Speed | 10/100/1000Mbps |
Wireless LAN | Wi-Fi 6 |
802.11 a/b/g/n/ac/ax | |
Bluetooth | Bluetooth 5.2 |
Rear Panel Ports | |
Back I/O Ports | 2 x USB 3.2 Gen 2 ports (2 x Type-A) |
4 x USB 3.2 Gen 1 ports (4 x Type-A) | |
1 x D-Sub port | |
1 x DVI-D port | |
1 x HDMI port | |
1 x Wi-Fi Module | |
1 x Realtek 1Gb Ethernet port | |
3 x Audio jacks | |
1 x PS/2 Keyboard/Mouse combo port | |
Internal I/O Connectors | |
Onboard USB | 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports |
2 x USB 2.0 headers support additional 4 USB 2.0 ports | |
Other Connectors | Fan and Cooling related |
1 x 4-pin CPU Fan header | |
1 x 4-pin CPU OPT Fan header | |
2 x 4-pin Chassis Fan headers | |
Miscellaneous | |
1 x Addressable Gen 2 header | |
2 x AURA RGB headers | |
1 x Clear CMOS header | |
1 x COM Port header | |
1 x Front Panel Audio header (AAFP) | |
1 x S/PDIF Out header | |
1 x Speaker header | |
1 x SPI TPM header (14-1pin) | |
1 x 10-1 pin System Panel header | |
Physical Spec | |
Form Factor | Micro ATX |
LED Lighting | RGB |
Dimensions (W x L) | 9.6" x 9.6" |
Power Pin | 1 x 24-pin Main Power connector |
1 x 8-pin +12V Power connector | |
Windows 11 Compatibility | |
Windows 11 | Ready |