ASRock B860 Pro‑A ATX Motherboard – LGA 1851, DDR5, PCIe 5.0
ASRock B860 Pro‑A Intel B860 LGA 1851 ATX
The ASRock B860 Pro‑A is a feature‑rich ATX motherboard built for Intel’s latest LGA 1851 (Socket V1) processors, including Intel Core Ultra and next‑generation desktop CPUs. Powered by the Intel B860 chipset, it delivers strong performance, modern connectivity, and excellent expandability for gaming, productivity, and workstation‑class builds.
With support for DDR5 memory up to 256GB, PCIe 5.0 x16 for next‑gen GPUs, PCIe 4.0 M.2 NVMe, and 2.5Gb Dragon LAN, the B860 Pro‑A provides a robust platform for high‑speed storage and networking. The board includes dual CPU fan headers, four chassis fan headers, RGB/ARGB headers, and a full suite of USB 3.2 Gen1/Gen2 ports for modern peripherals.
Its ATX layout, strong power delivery, and comprehensive rear I/O make it ideal for builders who want a reliable, future‑ready Intel platform.
Specifications
Type: ATX Motherboard
Brand: ASRock
Model: B860 Pro‑A
Chipset: Intel B860
CPU Socket: LGA 1851 (Socket V1)
CPU Support: Intel Core Ultra / Next‑Gen Intel CPUs
Memory
Supported Memory Type: DDR5‑SDRAM
4 × DDR5 DIMM Slots
Dual‑Channel
ECC Compatibility: Non‑ECC
Max Capacity: 256GB
Unbuffered memory
PCIe Slots
1 × PCIe 5.0 x16 (GPU)
1 × PCIe 4.0 x16 (x4 mode)
1 × M.2 Key‑E slot (WiFi module support)
Storage
M.2 Slots: 1 × PCIe 4.0 x4 M.2 (2280)
SATA: 4 × SATA III 6Gb/s
RAID Support: RAID 0 / 1 / 10 (SATA)
Networking: 2.5Gb Ethernet (Dragon RTL8125BG), RJ‑45 port ×1
Audio
Realtek ALC897 7.1‑Channel HD Audio
Line‑in / Microphone‑in
Video Outputs (requires CPU with integrated graphics)
1 × HDMI
1 × DisplayPort 1.4
USB Connectivity
Rear I/O:
2 × USB 2.0
6 × USB 3.2 Gen1 Type‑A
1 × USB 3.2 Gen2x2 Type‑C
HDMI
DisplayPort
2.5Gb LAN
Audio jacks
Internal Headers:
USB 2.0 headers
USB 3.2 Gen1 header
USB 3.2 Gen2 header
24‑pin ATX power
2 × 8‑pin EPS CPU power
2 × CPU fan connectors
4 × chassis fan connectors
RGB LED header
4 × ARGB headers
TPM header
Front panel audio
Power Connectors: 24‑pin ATX, 2 × 8‑pin EPS CPU power
Form Factor ATX: 305 mm × 244 mm
Included Accessories: SATA cables, Screws
Most Suitable For
Intel LGA 1851 gaming PCs
Productivity & workstation builds
PCIe 5.0 GPU setups
High‑speed NVMe storage builds
ATX mid‑tower & full‑tower sys