
Specifications
| Model | ASUS PRIME B550M-K |
| CPU | AMD AM4 Socket Supports Ryzen™ 5000 / 5000G / 4000G / 3000 Series |
| Chipset | AMD B550 |
| Memory | 4 x DDR4 DIMM slots, up to 128GB DDR4 up to 4866 MHz (OC) Dual-channel ECC support (CPU dependent) |
| Onboard Graphics | 1 x HDMI 2.1 (4K@60Hz) 1 x DVI-D 1 x VGA (D-Sub) |
| Expansion Slots | 1 x PCIe 4.0 x16 (CPU) 1 x PCIe 3.0 x16 (x4 mode) 2 x PCIe 3.0 x1 |
| Storage | 2 x M.2: – 1 x PCIe 4.0 x4 (CPU) – 1 x PCIe 3.0 x4 (Chipset) 4 x SATA 6Gb/s RAID 0/1/10 supported |
| Audio | Realtek® ALC887/897 7.1-channel HD audio 24-bit/192kHz |
| LAN | Realtek® RTL8111H Gigabit LAN ASUS LANGuard |
| USB | Rear: – 2 x USB 3.2 Gen2 Type-A – 4 x USB 3.2 Gen1 Type-A – 4 x USB 2.0 Front: – 2 x USB 3.2 Gen1 – 4 x USB 2.0 |
| Internal I/O Connectors | 1 x 24-pin ATX 1 x 8-pin CPU power 1 x CPU fan 2 x chassis fan headers 2 x M.2 slots 4 x SATA ports 1 x USB 3.2 header 2 x USB 2.0 headers 1 x TPM header 1 x COM header 1 x S/PDIF header 1 x front panel 1 x front audio 1 x speaker header 1 x Clear CMOS jumper |
| Back Panel Ports | 1 x PS/2 combo 1 x VGA 1 x DVI-D 1 x HDMI 2 x USB 3.2 Gen2 4 x USB 3.2 Gen1 1 x LAN 3 x audio jacks |
| Special Features | ASUS 5X Protection III DIGI+ VRM SafeSlot Core Overvoltage Protection Stainless Steel I/O Q-DIMM / Q-Slot Aluminum heatsinks |
| BIOS | 256 Mb AMI UEFI BIOS |
| Operating System | Windows 10 64-bit |
| Form Factor | Micro-ATX; 24.4 cm x 24.4 cm |
| Accessories | 2 x SATA cables M.2 screw kit I/O shield User manual |
Quick Info