Asus Prime B550M-K ARGB M-ATX AM4 DDR4 Gaming Motherboard
| Specification Group | PRIME B550M-K ARGB Details |
|---|---|
| Processor & Chipset | News & Updates: Socket AM4 CPU Support: AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* Chipset: AMD B550 Chipset |
| Memory Support | Slots & Capacity: 2 x DIMM slots, Max. 64GB, Un-buffered Memory* Dual Channel: Yes, Dual Channel Memory Architecture Supported Speeds (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 MHz |
| Onboard Graphics | DisplayPort: 1 x DisplayPort** (Supports max. 4K@60Hz as specified in DisplayPort 1.4) HDMI Port: 1 x HDMI™ port*** (Supports 4K@60Hz as specified in HDMI 2.1) |
| Expansion Slots | AMD Ryzen™ 5000 / 3000 Series Processors: – 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 5000 G-Series / 4000 G-Series Processors: – 1 x PCIe 3.0 x16 slot (supports x16 mode) AMD B550 Chipset: – 1 x PCIe 3.0 x1 slot |
| Storage Interface | Total Support: 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 5000 / 3000 Series Processors: – M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen™ 5000 G-Series / 4000 G-Series Processors: – M.2_1 slot (Key M), type 2242/2260/2280 (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 |
| Networking | Ethernet: 1 x Realtek 1Gb Ethernet Wireless & Bluetooth: [No Onboard Modules Specified] |
| USB Connections | Rear 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 ports – 2 x USB 2.0 headers support 4 additional USB 2.0 ports |
| Audio Specs | Audio Codec: Realtek 7.1 Surround Sound High Definition Audio CODEC* Support Features: Jack-detection, Multi-streaming, Front Panel Jack-retasking (up to 24-Bit/192 kHz playback) Hardware Features: Audio Shielding, Premium audio capacitors, Dedicated audio PCB layers |
| Back Panel Ports | – 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) – 2 x USB 2.0 ports (2 x Type-A) – 1 x DisplayPort – 1 x HDMI™ port – 1 x Realtek 1Gb Ethernet port – 3 x Audio jacks – 1 x PS/2 Keyboard/Mouse combo port |
| Internal Headers | Cooling/Fans: 1 x 4-pin CPU Fan header, 2 x 4-pin Chassis Fan headers Power: 1 x 24-pin Main Power connector, 1 x 8-pin +12V Power connector Storage: 2 x M.2 slots (Key M), 4 x SATA 6Gb/s ports USB Front Headers: – 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 ports) – 2 x USB 2.0 headers (support 4 additional USB 2.0 ports) Miscellaneous Connection Headers: – 3 x Addressable Gen 2 headers – 1 x Clear CMOS header – 1 x COM Port header – 1 x Front Panel Audio header (AAFP) – 1 x S/PDIF Out header – 1 x Speaker header – 1 x SPI TPM header (14-1 pin) – 1 x 10-1 pin System Panel 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 Gen 2 headers |
| Software & BIOS | ASUS Exclusive Software: Armoury Crate (Aura Creator, Aura Sync), AI Suite 3 (Performance And Power Saving Utility with TurboV EVO, EPU, DIGI+ VRM, Fan Xpert 2+), EZ update, ASUS CPU-Z, Norton 360 Deluxe (60 Days Free Trial), WinRAR UEFI BIOS Features: ASUS EZ DIY (ASUS CrashFree BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode) BIOS Specifications: 128 Mb Flash ROM, UEFI AMI BIOS Manageability Options: WOL by PME, PXE |
| Physical Specs & Extras | Form Factor: micro-ATX Form Factor (9.6 inch x 8.7 inch / 24.4 cm x 22.1 cm) Operating System: Windows® 11, Windows® 10 64-bit Package Cables: 2 x SATA 6Gb/s cables Package Miscellaneous: 1 x I/O Shield, 1 x Screw package for M.2 SSD Package Documentation: 1 x User guide |







