ASUS PRIME B550M-K AMD SOCKET AM4 MICRO ATX MOTHERBOARD with DUAL M.2, PCIe 4.0, 1 GB ETHERNET

ModelPRIME B550M-K ARGBNews & UpdatesSocket AM4CPUAMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors** Refer to www.asus.com for CPU support list.ChipsetAMD B550 ChipsetMemory2 x DIMM slots, Max. 64GB, DDR4 5100(OC)/4866(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, Un-buffered Memory*Dual Channel Memory Architecture* ECC memory (ECC mode) support varies by CPU.* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit x DisplayPort**1 x HDMI™ port**** Graphics specification s may vary between CPU types. Please refer to AMD CPU specification s.** Supports max. 4K@60Hz as specified in DisplayPort 1.4.*** Supports 4K@60Hz as specified in HDMI 2.1.Expansion SlotsAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors1 x PCIe 4.0 x16 slot (supports x16 mode)AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors1 x PCIe 3.0 x16 slot (supports x16 mode)AMD B550 Chipset1 x PCIe 3.0 x1 slot* Please check the PCIe bifurcation table on the support site ( To ensure compatibility of the device installed, please refer to for the list of supported peripherals.StorageTotal supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*AMD Ryzen™ 5000 Series/ 3000 Series Desktop ProcessorsM.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes)AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop ProcessorsM.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)AMD B550 ChipsetM.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)4 x SATA 6Gb/s ports* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.Ethernet1 x Realtek 1Gb EthernetUSBRear USB (Total 6 ports)4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)2 x USB 2.0 ports (2 x Type-A)Front USB (Total 7 ports)1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C®)1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports2 x USB 2.0 headers support 4 additional USB 2.0 portsAudioRealtek 7.1 Surround Sound High Definition Audio CODEC*- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking- Supports up to 24-Bit/192 kHz playbackAudio Features- Audio Shielding- Premium audio capacitors- Dedicated audio PCB layers* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.Back Panel I/O Ports4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)2 x USB 2.0 ports (2 x Type-A)1 x DisplayPort1 x HDMI™ port1 x Realtek 1Gb Ethernet port3 x Audio jacks1 x PS/2 Keyboard/Mouse combo portInternal I/O ConnectorsFan and Cooling relat