| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 2 |
| Maximum internal memory | 64 GB |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,3866,4000,4133,4200,4266,4333,4400,4466,4600,4866,5100 MHz |
| Unbuffered memory | Yes |
| Supported storage drive interfaces | M.2 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of chassis fan connectors | 2 |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| PS/2 ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone outputs | 1 |
| Line-in | Yes |
| Microphone in | Yes |
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| Wake-on-LAN ready | Yes |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| BIOS type | EFI AMI |
| BIOS memory size | 128 Mbit |
| Clear CMOS jumper | Yes |
| Width | 244 mm |
| Depth | 221 mm |
| Cables included | SATA |
| Description |
| ASUS PRIME B550M-K ARGB. Processor manufacturer: AMD, Processor socket: Socket AM4. Supported memory types: DDR4-SDRAM, Maximum internal memory: 64 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. Ethernet interface type: Gigabit Ethernet. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD |
