ASUS PRIME B550M-K AM4 DDR4 Micro-ATX Motherboard
For AM4 builders who want PCIe 4.0 and room for four memory modules, the ASUS PRIME B550M-K is a Micro-ATX DDR4 board on the AMD B550 chipset, well matched to Ryzen gaming rigs and multi-purpose desktops.
Key Specifications
- AMD AM4 socket for 3rd Gen AMD Ryzen processors, with support for Ryzen 5000 Series, 4000 G-Series and 3000 Series on current listings
- AMD B550 chipset with 4 DDR4 DIMM slots, up to 128GB, and DDR4 speeds up to 4400MHz overclocked
- 1 PCIe 4.0 x16 slot plus 2 PCIe 3.0 x1 slots
- 2 M.2 slots, one supporting PCIe 4.0 x4 and SATA modes and one supporting PCIe 3.0 x4 and SATA modes, plus 4 SATA 6Gb/s ports with RAID 0, 1 and 10 support
- Realtek RTL8111H 1Gb Ethernet
- Realtek ALC887 7.1 surround sound high definition audio codec with audio shielding, dedicated audio PCB layers and premium Japanese audio capacitors
- HDMI 2.1 display output, Fan Xpert 2+ cooling control and DIGI+ VRM
Dual M.2 Storage With PCIe 4.0
With one PCIe 4.0 M.2 slot and a second PCIe 3.0 M.2 slot, the board lets a fast boot drive sit alongside a second NVMe drive, so games and project files do not have to share space with the operating system.
- Install a Ryzen processor in the AM4 socket.
- Populate the four DDR4 slots for up to 128GB of dual-channel memory.
- Place the primary NVMe SSD in the PCIe 4.0 M.2 slot and a secondary drive in the PCIe 3.0 M.2 slot.
- Use the PCIe 4.0 x16 slot for the graphics card and the SATA ports for additional drives.