| Specification | Details |
| Model | ASUS PRIME B450M-K II Micro-ATX Motherboard |
| CPU Socket & Chipset | AMD AM4 Socket • AMD B450 Chipset |
| Memory Support | 2 x DIMM Slots, Max. 64GB, DDR4 up to 4400(O.C.) MHz (Dual-Channel Architecture) |
| Expansion Slots | 1 x PCIe 3.0/2.0 x16 Slot • 2 x PCIe 2.0 x1 Slots |
| Storage Interfaces | 1 x M.2 Slot (Key M, supports PCIe 3.0 x4 and SATA modes) • 4 x SATA 6Gb/s Ports |
| Display & Rear I/O | HDMI 2.0b, DVI-D, D-Sub (VGA) • USB 3.2 Gen 1 (x4), USB 2.0 (x2) • Realtek 1Gb Ethernet • 3-Port Audio |
| Form Factor & Special Features | Micro-ATX Form Factor (22.6 cm x 22.1 cm) • ASUS 5X Protection III • BIOS FlashBack™ |