OS: Windows 11, Windows 10 64-bit
Lan: 1 x Realtek® 1Gb Ethernet;
ASUS LANGuard
USB: Rear USB (Total 6 ports);
4 x USB 5Gbps ports (4 x Type-A);
2 x USB 2.0 ports (2 x Type-A);
Front USB (Total 6 ports);
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports;
2 x USB 2.0 headers support 4 additional USB 2.0 ports
BIOS: 16MB (128Mb) Flash ROM, UEFI AMI BIOS
RAID: AMD RAIDXpert2 Technology;
Supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10
Audio: Realtek® 7.1 Surround Sound High Definition Audio CODEC*;
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking;
- Supports up to 24-Bit/192 kHz playback;
Audio 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.
Model: PRIME B550M-K WIFI
Other: ASUS 5X PROTECTION III;
- DIGI+ VRM;
- LANGuard;
- Overvoltage protection;
- SafeSlot Core;
- Stainless-steel back I/O;
ASUS Q-Design;
- Q-DIMM;
- Q-LED Core;
- Q-Slot;
ASUS Thermal Solution;
- Aluminum heatsink design;
Aura Sync;
- Addressable RGB Gen 2 headers
Socket: AMD AM4
Chipset: AMD B550
Storage: Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports;
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors;
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 & SATA modes);
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors;
M.2_1 slot (Key M), type 2280 (supports PCIe 3.0 x4 & SATA modes);
AMD B550 Chipset;
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes);
4 x SATA 6Gb/s ports
Graphics: 1 x DisplayPort**;
1 x HDMI™ port***;
* Available only on processors featuring integrated graphics. Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.;
** Supports max. 4K@60Hz as specified in DisplayPort 1.4.;
*** Supports 4K@60Hz as specified in HDMI 2.1.
Wireless: Wi-Fi 6;
1x1 Wi-Fi 6 (802.11ax);
Supports 2.4/5GHz frequency band;
Bluetooth®
Connectors: Fan and Cooling Related;
1 x 4-pin CPU Fan header;
2 x 4-pin Chassis Fan headers;
Power Related;
1 x 24-pin Main Power connector;
1 x 8-pin +12V CPU Power connector;
Storage Related;
2 x M.2 slots (Key M);
4 x SATA 6Gb/s ports;
USB;
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports;
2 x USB 2.0 headers support 4 additional USB 2.0 ports;
Miscellaneous;
3 x Addressable RGB Gen 2 headers;
1 x Clear CMOS header;
1 x COM Port header;
1 x Front Panel Audio header (F_AUDIO);
1 x S/PDIF Out header;
1 x SPI TPM header (14-1 pin);
1 x 10-1 pin Front Panel System header
Dimensions: 24.4 cm x 22.1 cm
Vendor_url: https://www.asus.com/motherboards-components/motherboards/prime/prime-b550m-k-wifi/
Form factor: micro-ATX
Memory type: 2 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
Manufacturer: ASUS
Rear panel I/O: 4 x USB 5Gbps ports (4 x Type-A);
2 x USB 2.0 ports (2 x Type-A);
1 x DisplayPort;
1 x HDMI™ port;
1 x Wi-Fi module;
1 x Realtek® 1Gb Ethernet port;
3 x Audio jacks;
1 x PS/2 keyboard/mouse combo port
CPU's supported: AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Expansion slots: AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors;
1 x PCIe 4.0 x16 slot (supports x16 mode);
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors;
1 x PCIe 3.0 x16 slot (supports x16 mode);
AMD B550 Chipset;
1 x PCIe 3.0 x1 slot
Part number / Product code: 90MB1R80-M0EAY0