ASUS PRIME B550M-K ARGB AM4 Micro-ATX DDR4 Motherboard

The ASUS PRIME B550M-K ARGB arrives in a 24.4 × 22.1cm Micro-ATX frame, aimed at builders who want a budget AM4 platform with a customizable lighting touch. It runs the AMD B550 chipset with a DIGI+ VRM digital power design and ASUS 5X PROTECTION III, keeping the layout direct for office and budget builds.

Key Highlights:

• Ryzen Processor Support: The AM4 socket accepts Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3000 processors, keeping CPU options flexible.
• DDR4 Up to 64GB: Two dual-channel DIMM slots run speeds reaching 5100 MT/s (OC), with ECC Un-buffered memory support depending on the installed CPU.
• Dual M.2 Slots: The primary runs PCIe 4.0 x4 with Ryzen 5000 and 3000 series (PCIe 3.0 with G-Series), while the second runs PCIe 3.0 x4 from the chipset and accepts 22110-length drives, both supporting SATA mode.
• Four SATA 6Gb/s Ports: RAIDXpert2 supports RAID 0/1/10 across PCIe and SATA drives, letting you build arrays for speed or redundancy.
• Realtek Gigabit Ethernet: A LANGuard-protected port delivers a steady 1-gigabit wired connection.
• Dual Display Outputs: DisplayPort 1.4 and HDMI 2.1 at 4K 60Hz, active only with a CPU that has integrated graphics.
• 7.1-Channel Audio: A high-definition codec with audio shielding, premium capacitors, and dedicated PCB layers to cut interference, plus an optical S/PDIF header.
• Aura Sync Lighting: Three Addressable Gen 2 headers sync through Armoury Crate and Aura Creator to match the rest of your system.
• ASUS 5X PROTECTION III: DIGI+ VRM, LANGuard, Overvoltage Protection, SafeSlot Core, and stainless-steel back I/O reinforce board longevity.
• EZ DIY Features: Q-DIMM and Q-Slot simplify memory and expansion card installation, Q-LED Core aids boot troubleshooting, and CrashFree BIOS 3 with EZ Flash 3 handle recovery.