### ASUS PRIME B550M-K ARGB AM4 mATX Motherboard (Used)Micro ATX AMD B550 motherboard built for Socket AM4 Ryzen processors. Features dual M.2 PCIe 4.0 storage, addressable Gen2 ARGB headers for Aura Sync lighting, front USB Type-C and stable power delivery for daily office and RGB gaming builds.#### Main Features- **2 x DDR4 DIMM Slots**: Max 64GB dual-channel DDR4, memory overclock up to 5100MHz- **Dual M.2 Slots**: Primary M.2 supports PCIe 4.0 x4 NVMe (64Gbps), secondary M.2 PCIe3.0 x4/SATA mode, plus 4×SATA 6Gb/s- **Aura Sync Addressable ARGB Gen2 Headers**: Sync lighting with fans, LED strips and compatible peripherals- **4+2 Phase DIGI+ Power**: Reliable power supply for Ryzen 5000 series CPUs- **Front USB 3.2 Gen1 Type-C onboard header, HDMI + DP video outputs (NO VGA)**- **Realtek Gigabit LAN, 8-channel HD Audio, Fan Xpert 2+ fan control, ASUS 5X Protection III**#### Condition & TestingUsed motherboard pulled from working PC. Fully cleaned and inspected.✅ CPU socket pins intact, no bending or corrosion✅ All ports, M.2 slots, memory slots, ARGB headers fully functional✅ No repairs, no water damage, no burnt components✅ Stable under continuous full-load testing#### Compatibility Notes- Supports AMD Ryzen 3000 / 4000G / 5000 / 5000G AM4 processors- PCIe 4.0 requires Ryzen 3000/5000 non-APU CPUs; APUs limited to PCIe3.0- **Only 2 memory slots, maximum RAM 64GB**- No integrated WiFi, NO VGA video output- Onboard display outputs require CPU with integrated graphics (APU)- Micro ATX form factor, fits all standard mATX / ATX PC cases
