ASUS PRIME B550M-K | AMD Ryzen AM4 B550 Micro ATX Motherboard

CPU
- AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
*Refer to www.asus.com for CPU support list.

Chipset
- B550

Memory
- 4 x DIMM, Max. 128GB, DDR4 4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory*
- Dual Channel Memory Architecture
* ECC memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.

Graphics
- 1 x D-Sub
- 1 x DVI-D
- 1 x HDMI 2.1 (4K@60HZ)
*Graphics specifications may vary between CPU types.

Expansion Slots
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors
- 1 x PCIe 4.0 x16 (x16 mode)
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors
- 1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
- 2 x PCIe 3.0 x1

Storage
Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports
AMD Ryzen 5000 Series/ 3000 Series Desktop Processors :
- 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes) storage devices support
AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors :
- 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support
AMD B550 Chipset :
- 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
- 4 x SATA 6Gb/s port(s),
- Support Raid 0, 1, 10


Form Factor
- micro ATX