ASUS Motherboard/mATX/AM4/DDR4/2xDIMM/Max.64GB/1xPCIe 4x16/1x PCIe3x16/1xPCIe3x1/2xM.2/4xSATA/1xDP/1xHDMI/RAID.
ASUS Motherboard/mATX/AM4/DDR4/2xDIMM/Max.64GB/1xPCIe 4x16/1x PCIe3x16/1xPCIe3x1/2xM.2/4xSATA/1xDP/1xHDMI/RAID. from ASUS. Part of our MOTHERBOARD range. Ships immediately to verified resellers.
The Asus PRIME B550M-K ARGB is built for PC-builders who want power without the pantomime. Armed with the reliable AMD B550 platform, it supports a wide range of AMD Ryzen 3000/4000/5000 processors, making it ideal for creators smashing productivity, and gamers pushing frames without faffing in firmware. The compact Micro-ATX design means it slots into smaller cases while still offering PCIe 4.0, dual M.2 storage with blistering transfer potential, and a front USB Type-C header for modern connectivity. With three addressable ARGB headers and Aura Sync support, you can light your rig like a runway or keep it classy like a club lounge - entirely your call. Smart cooling via hybrid fan headers and Fan Xpert 2+ keeps temperatures civil even when workloads get spicy. Whether it's video edits, AI dabbling, or late-night gaming, this board brings the fundamentals, the flair, and the flexibility.
KEY SELLING FEATURES
• PCIE 4.0 support for faster GPU and NVMe performance
• 2× M.2 slots (1× PCIe 4.0 x4 + SATA, 1× PCIe 3.0 x4 + SATA)
• 64Gbps M.2 speed potential on primary slot
• USB 3.2 Gen 1 Type-C front panel header
• 4× Rear USB 3.2 Gen 1 (Type-A) + 2× USB 2.0
• 1Gb Realtek LAN Ethernet
• 3× Addressable Gen 2 ARGB headers
• Dual-wall PCB for durability
• Fan Xpert 2+ intelligent cooling controls
• UEFI BIOS with EZ flash
SPECIFICATIONS
• Brand: ASUS
• Socket: AM4
• Chipset: AMD B550
• Memory: 2 × DIMM, Max 64GB, DDR4 (2133-5100MHz OC), Dual-Channel, Unbuffered
• Graphics Outputs: 1 × DisplayPort (4K @ 60Hz), 1 × HDMI 2.1 (4K @ 60Hz, GPU dependent)
• Expansion Slots: 1 × PCIe 4.0 x16 (x16 mode on 3000/5000 CPUs), 1 × PCIe 3.0 x1
• Storage: 2 × M.2 (Key M), 4 × SATA 6Gb/s, RAID 0/1/10 support
• Rear USB: 4 × USB 3.2 Gen 1 Type-A, 2 × USB 2.0 Type-A
• Front USB: 1 × USB 3.2 Gen 1 Type-C, headers for 2 × USB 3.2 + 4 × USB 2.0
• Ethernet: 1Gb LAN Realtek
• Audio: Realtek 7.1 HD Codec, 24-Bit/192 kHz playback support, audio shielding + premium capacitors
• Dimensions: 9.6 × 8.7 inches (24.4 × 22.1 cm)
• Form Factor: micro-ATX
• OS Support: Windows 10/11 64-bit
• BIOS: 128 Mb Flash ROM, UEFI AMI
What's in the box 1 X Asus PRIME B550M-K ARGB M-ATX AMD AM4 Motherboard 2 x SATA 6Gb/s cables 1 x I/O Shield 1 x Screw package for M.2 SSD 1 x User guide