- Socket
- AM4
- Chipset
- B450
- Memory type
- DDR4
- Form factor
- Micro-ATX
- Ports and connectors
- 1 × BIOS FlashBack button; 4 × USB 3.2 Gen 1 Type-A; 1 × PS/2 keyboard/mouse combo; 1 × DVI-D; 1 × D-Sub; 1 × HDMI; 1 × LAN (RJ45); 2 × USB 2.0; 3 × Audio jacks
- Video outputs
- 1 × DVI-D; 1 × D-Sub; 1 × HDMI
- Audio subsystem
- Realtek ALC887/897; 7.1-channel HD Audio (codec variant not specified); playback up to 24-bit/192 kHz; multichannel output requires a chassis front-panel HD Audio module
- Wired networking
- Realtek RTL8111H
- Actual motherboard width
- 226 mm
- Actual motherboard height
- 221 mm
- Supported CPU families
- AMD Ryzen 1000, AMD Ryzen 1000 G-Series, AMD Ryzen 2000, AMD Ryzen 2000 G-Series, AMD Ryzen 3000, AMD Ryzen 4000 G-Series, AMD Ryzen 5000, AMD Ryzen 5000 G-Series, AMD Athlon with Radeon Vega Graphics
- Memory slots
- 2
- Maximum memory capacity
- 64 GB
- Full-length PCIe slots
- 1
- M.2 NVMe slots
- 1
- M.2 SATA slots
- 1
- M.2 module lengths
- 42, 60, 80 mm
- SATA ports
- 4
- M.2, SATA and PCIe x16 without shared-port disabling
- Yes
- Slot and lane topology source
- https://www.asus.com/gr-en/motherboards-components/motherboards/prime/prime-b450m-k-ii/techspec/
- Required CPU 8-pin power connectors
- 1
