PRIME B550M-K WIFI Features: PCIe 4.0 slots for graphics card and storage 1Gb Ethernet for faster data transfers USB 5Gbps Type-A for rapid data transmission WiFi 6 for stable WiFi connection and lower latency ASUS FAN Xpert 2+ for ultimate cooling control Aura Sync for full RGB lighting control Specifications: CPU AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors Chipset AMD B550 Chipset Memory 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 Graphics 1 x DisplayPort 1 x HDMI™ port 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 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 RAID Support AMD RAIDXpert2 Technology Supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10 Ethernet 1 x Realtek® 1Gb Ethernet ASUS LANGuard Wireless & Bluetooth Wi-Fi 6 1x1 Wi-Fi 6 (802.11ax) Supports 2.4/5GHz frequency band Bluetooth® 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 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 Back Panel I/O Ports 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 Internal I/O 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 Special Features 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 Software Features ASUS Exclusive Software Armoury Crate Aura Creator Aura Sync Fan Xpert 2+ ASUS DriverHub ASUS CPU-Z ASUS GlideX Norton 360 Deluxe (60 Days Free Trial) WinRAR (40 Days Free Trial) Adobe Creative Cloud (Free Trial) UEFI BIOS ASUS EZ DIY ASUS CrashFree BIOS 3 ASUS EZ Flash 3 ASUS UEFI BIOS EZ Mode BIOS 16MB (128Mb) Flash ROM, UEFI AMI BIOS Manageability WOL by PME, PXE Accessories Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS Wi-Fi moving antenna 1 x I/O shield 1 x M.2 anchor package Documentation 1 x Quick start guide Operating System Windows 11, Windows 10 64-bit Form Factor micro-ATX Form Factor 9.6 inch x 8.7 inch (24.4 cm x 22.1 cm)