| Specification | Details |
|---|
| Model | PRIME B550M-A WIFI II |
| CPU Support | AMD Ryzen™ 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Desktop Processors |
| Memory | 4 x DIMM, Max. 128GB, DDR4 |
| Memory Speed | 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 |
| Memory Architecture | Dual Channel Memory Architecture |
| Memory Type | Un-buffered Memory |
| ECC Support | ECC memory support varies by CPU |
| Graphics Outputs | 1 x D-Sub, 1 x DVI-D, 1 x HDMI® |
| HDMI Support | Up to 4K @ 60Hz |
| Expansion Slots | 1 x PCIe 4.0 x16 (Ryzen 5000/3000); 1 x PCIe 3.0 x16 (Ryzen 5000 G/4000 G); 2 x PCIe 3.0 x1 |
| M.2 Slots | 2 x M.2 Key M |
| M.2_1 Support | PCIe 4.0 x4 & SATA modes (Ryzen 5000/3000); PCIe 3.0 x4 & SATA modes (Ryzen 4000 G) |
| M.2_2 Support | PCIe 3.0 x4 & SATA modes |
| M.2 Sizes | 2242 / 2260 / 2280 / 22110 (M.2_1); 2242 / 2260 / 2280 (M.2_2) |
| SATA | 4 x SATA 6Gb/s |
| RAID Support | RAID 0, 1, 10 |
| Ethernet | 1 x Realtek 1Gb Ethernet |
| LAN Protection | ASUS LANGuard |
| Wi-Fi | Wi-Fi 6, 2×2 802.11 a/b/g/n/ac/ax, 2.4GHz / 5GHz |
| Bluetooth | Bluetooth 5.2 |
| Rear USB | 2 x USB 3.2 Gen 2 Type-A, 4 x USB 3.2 Gen 1 Type-A |
| Front USB | 1 x USB 3.2 Gen 1 header + 2 x USB 2.0 headers |
| Audio Codec | Realtek 7.1 Surround Sound High Definition Audio CODEC |
| Audio Support | Up to 24-Bit / 192 kHz playback |
| Audio Features | Audio Shielding, LED-illuminated audio trace path, Premium audio capacitors |
| Back Panel I/O | 2 x USB 3.2 Gen 2, 4 x USB 3.2 Gen 1, D-Sub, DVI-D, HDMI®, Wi-Fi Module, 1Gb Ethernet, 3 x Audio Jacks, PS/2 |
| CPU Fan Headers | 1 x 4-pin CPU Fan, 1 x 4-pin CPU OPT Fan |
| Chassis Fan Headers | 2 x 4-pin Chassis Fan |
| Power Connectors | 1 x 24-pin Main Power, 1 x 8-pin +12V |
| RGB Headers | 1 x Addressable Gen 2, 2 x AURA RGB |
| Special Features | ASUS 5X PROTECTION III, ASUS Q-Design, ASUS Thermal Solution, AURA Sync |
| Protection Features | DIGI+ VRM, LANGuard, Overvoltage Protection, SafeSlot Core, Stainless-Steel Back I/O |
| Software | Armoury Crate, AURA Creator, AURA Sync, AI Suite 3, TurboV EVO, EPU, DIGI+ VRM, Fan Xpert 2+, MyASUS, ASUS CPU-Z, AI Charger |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| BIOS Features | ASUS CrashFree BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode |
| Manageability | WOL by PME, PXE |
| Accessories | 2 x SATA 6Gb/s cables, ASUS Wi-Fi moving antennas, I/O Shield, M.2 SSD screw package, Support DVD, User Manual |
| Operating System | Windows® 11 / Windows® 10 64-bit |
| Form Factor | microATX |
| Dimensions | 24.4 cm x 24.4 cm |
Samila Randika Perera (verified owner) –
A+++ , Thank you.