Asrock B850M PRO-A, AMD B850, AM5, Micro ATX, 4 DDR5, HDMI, DP, 2.5G LAN, 3x M.2

ASRock B850M Pro-A AMD AM5 Micro-ATX Motherboard - DDR5-8000, PCIe 5.0, 2.5GbE

Built for AMD Ryzen 9000/8000/7000 series processors, this B850M Pro-A delivers exceptional stability and performance for enthusiast builds. The robust 8+2+1 phase power design with Dr.MOS technology ensures smooth power delivery, while the 6-layer PCB construction provides superior signal integrity for extreme DDR5 overclocking up to 8000MHz+.

Featuring blazing-fast PCIe 5.0 connectivity and triple M.2 slots, this micro-ATX powerhouse accelerates your storage performance with next-generation NVMe SSD support. Premium aluminum heatsinks maintain optimal thermals, while 2.5GbE networking and comprehensive USB 3.2 Gen2 Type-C connectivity future-proof your system for demanding workloads and gaming.

Technical Specifications

• Socket: AMD AM5 (Ryzen 9000/8000/7000 Series)
• Chipset: AMD B850
• Form Factor: Micro-ATX
• Memory: 4x DDR5 DIMM slots, up to 256GB, 8000MHz+ OC
• Expansion: 1x PCIe 5.0 x16, 1x PCIe 4.0 x4, 1x M.2 Key E WiFi
• Storage: 3x M.2 slots (1x PCIe 5.0, 2x PCIe 4.0), 4x SATA III
• Audio: Realtek ALC897 7.1-channel HD codec
• Networking: Realtek 2.5GbE LAN
• Power Design: 8+2+1 phase with Dr.MOS technology

Key Features

• Next-Gen Performance: PCIe 5.0 support with 128Gb/s transfer speeds for ultrafast SSDs
• Advanced Power Delivery: Hi-density power connectors and 6-layer PCB for stable overclocking
• Intelligent Cooling: Optimized aluminum heatsinks with Fan-Tastic PWM/DC fan control
• Premium Connectivity: USB 3.2 Gen2 Type-C, dual display outputs (HDMI + DisplayPort)
• RGB Customization: Polychrome RGB with SignalRGB compatibility for synchronized lighting
• Easy Setup: BIOS Flashback button and Auto Driver Installer for hassle-free installation
• Enhanced Memory Support: Intel XMP and AMD EXPO profiles for one-click overclocking
• 3-Year Replacement Warranty for complete peace of mind