Asrock B850 PRO RS WIFI, AMD B850, AM5, ATX, 4 DDR5, HDMI, USB-C (DP-alt), Wi-Fi 6E, 2.5G LAN, RGB, 4x M.2

The B650M PG Lightning motherboard delivers a powerful AM5 platform for compatibility with Ryzen 7000- and 8000-series CPUs. Built in a Micro-ATX form factor, it features four DDR5 DIMM slots supporting dual-channel memory up to around 7200 MHz (OC). PCIe options include a full-length PCIe 4.0 x16 slot for graphics, plus multiple M.2 slots (including a Gen5 x4) for high-speed NVMe storage. It includes modern display outputs (HDMI and DisplayPort), 2.5 Gigabit LAN, plentiful USB ports, realtek 7.1 audio, and strong power delivery via a 6+2+1-phase Dr.MOS design. This board is suited for compact builds that still demand strong performance and upgrade potential.

Key Features

• Socket AM5 support for Ryzen 7000 & 8000 series CPUs
• Micro-ATX form factor for smaller form-factor builds
• Four DDR5 DIMM slots with up to ~7200 MHz (OC) memory support
• Full-size PCIe 4.0 x16 slot for modern graphics cards
• Multiple M.2 NVMe slots including Gen5 x4 for fastest storage
• Realtek 2.5G LAN for higher network speeds
• Integrated HDMI and DisplayPort outputs for onboard graphics support

Specifications

• Socket: AM5
• Chipset: AMD B650
• Form Factor: Micro ATX (24.4 × 24.4 cm)
• Memory: 4 × DDR5 DIMM slots (ECC/non-ECC, unbuffered)
• Max Memory Speed: ≈7200 MHz (OC)
• Max Memory Capacity: ~192 GB
• PCIe Slots: 1 × PCIe 4.0 x16 (primary) + other slot(s) depending on configuration
• M.2 Slots: At least three (including one Gen5×4, others Gen4)
• SATA Ports: 4 × SATA III
• LAN: 2.5 Gb Ethernet
• Display Outputs: HDMI + DisplayPort
• Audio Codec: Realtek ALC897 (7.1 channel)
• Power Phase Design: 6+2+1 Dr.MOS
• Other Features: BIOS Flashback, robust power delivery, multiple USB ports