Motherboard ASUS Prime B550M-A WIFI II, socket AM4
| Manufacturer | ASUS |
| Warranty | 36 months |
| Product code | 90MB19X0-M0EAY0 |
| Barcode | 4711081309741 |
| CPU Socket |
AM4
|
| Chipset |
AMD B550
|
| CPU supports |
3rd Generation AMD
4th Generation AMD
5000 Series AMD Ryzen
|
| Memory Standard |
DDR4
|
| Maximum Memory Supported |
128 GB
|
| Number of Memory Slots |
4
|
| Frequency Memory |
4866(OC) MHz
|
| Support Dualchannel |
Yes
|
| Integrated Audio |
Realtek ALC887
|
| Integrated LAN |
Realtek GbE LAN (10/100/1000 Mbit)
ASUS LAN Guard
|
| Integrated Wi-Fi |
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Bluetooth v5.2
|
| PCI-E x16 |
1 x PCIe 4.0/3.0 x16
|
| PCI Express x4 | |
| PCI-E x1 |
1
|
| PCI-E slots | |
| Interface Serial ATA |
4 x SATA3 6.0 Gb/s
|
| M2 socket |
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
|
| Raid support |
0,1,10
|
| Power Connector |
1 x 24 pin ATX Power Connector
1 x 8-pin ATX 12V Power connector
|
| Connectors |
1 x VGA
1 x DVI-D
1 x HDMI port
1 x RJ-45
1 x PS/2 Mouse/Keyboard
3 x Audio jacks
1 x Wi-Fi Module
|
| USB Ports |
4 x USB 3.2 Gen 1
2 x USB 3.2 Gen2
|
| Dimension |
Micro ATX - 24.4 x 22.1 cm
|
| Other |
128 Mb Flash ROM, UEFI AMI BIOS
|
The ASUS PRIME B550M-A WIFI II is a compact and reliable micro‑ATX motherboard built for AMD Ryzen processors, offering strong performance, modern connectivity, and excellent value. With PCIe 4.0 support, dual M.2 slots, Wi‑Fi 6, and comprehensive cooling, it’s a well‑rounded choice for gaming and productivity builds.