π§ ASUS Prime B550M-A WiFi II β Key Specs
Form Factor: Micro-ATX (compact desktop board)
Chipset: AMD B550 (modern mid-range platform)
Socket: AM4 β for AMD Ryzen CPUs (3000 / 4000 G / 5000 series)
π§© Memory Support
β 4 Γ DDR4 DIMM slots (dual-channel)
β Up to 128 GB total memory
β Speeds up to 4866 MHz (OC) depending on RAM/CPU
π Expansion & Slots
1 Γ PCIe 4.0 x16 for graphics card (best performance)
1 Γ PCIe 3.0 x16 (electrical x4) for add-ons
2 Γ PCIe 3.0 x1 for smaller cards
πΎ Storage & RAID
β 2 Γ M.2 slots (supports NVMe SSDs)
β 4 Γ SATA 6 Gb/s ports (for HDDs/SSDs)
β RAID 0 / 1 / 10 supported
π Connectivity
β Wi-Fi 6 (802.11ax) β fast wireless networking
β Bluetooth 5.2
β Realtek 1 Gb Ethernet port
β USB Ports:
Rear USB 3.2 Gen 2 & Gen 1 ports
Multiple USB 2.0 headers for front panel
π₯οΈ Display Outputs
(For APUs with integrated graphics)
β HDMI (4K@60Hz)
β DVI-D
β VGA / D-Sub
π Audio
β Realtek 7.1-channel HD audio codec with shielding and premium capacitors for better sound quality
π§ Build & Reliability Features
β ASUS SafeSlot Core reinforced PCIe
β Good VRM & heatsinks for stable power delivery
β Multiple fan headers + intelligent fan controls (Fan Xpert)
β Aura Sync RGB headers for lighting
π Compatibility
β‘ AMD Ryzen support:
β’ Ryzen 3000/5000 series desktop CPUs
β’ Works with 5000 G-Series & 4000 G-Series APUs too
BIOS: Usually compatible out of box with newer Ryzen CPUs; check ASUS support page for CPU list.
π Best For
β Mid-range gaming PC builds
β Compact HTPC or workstation
β Systems with Wi-Fi and Bluetooth built-in
β Builds using a powerful Ryzen CPU + fast storage