ASRock B860M Pro-A LGA1851 Micro-ATX DDR5 256 GB Motherboard
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Description
The ASRock B860M Pro-A is a Micro-ATX motherboard for LGA1851. It supports DDR5 memory up to 8400 MT/s (OC).
- ASRock B860M Pro-A LGA 1851 Intel B860 SATA 6Gb/s Intel Core Ultra DDR5 Micro ATX Motherboard Memory Standard: Up to DDR5 8666+(OC) Number of Memory Slots: 4x288pin (DDR5) Audio Chipset: Realtek ALC897 PCI Express 5.0 x16: CPU: - 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode* Max LAN Speed: 2.5Gbps CPU Type: Intel Core Ultra Processors (Series 2) Maximum Memory Supported: 256GB Channel Supported: Dual Channel
Specifications
| Manufacturer | ASRock |
|---|---|
| Model Number | B860M Pro-A |
| Launch Date | January 2025 |
| CPU Socket | LGA1851 |
| Chipset Model | Intel B860 |
| Board Size / Form Factor | Micro-ATX |
| Supported Memory Type | DDR5 |
| DIMM Slots | 4 |
| Maximum RAM Capacity | 256 GB |
| Valid DDR4 Speeds | DDR5-6400 / DDR5-6800 / DDR5-7200 / DDR5-7600 / DDR5-7800 / DDR5-8000 / DDR5-8200 / DDR5-8400 (OC) |
| ECC Memory Support | No |
| Expansion Slots (PCIe) | 1 × PCIe x16, 1 × PCIe x4 |
| PCIe x16 (Qty) | 1 |
| PCIe x4 (Qty) | 1 |
| PCIe x1 (Qty) | 0 |
| M.2 Slot Count | 4 × M.2 |
| M.2 Device Compatibility | 2280 - M Key, 2230 / 2242 / 2260 / 2280 - M Key, 2280 - M Key, 2230 - E Key |
| SATA III Ports | 4 × SATA 6Gbps |
| SATA Express Ports | 0 |
| Wired Networking (LAN) | |
| Onboard Wi-Fi | No |
| Wi-Fi Standard | |
| Rear-Panel USB | USB 3.2 Gen2, USB 3.2 Gen1, USB 2.0 |
| Internal USB 3.2 Gen 2x2 Headers | 0 |
| Internal USB 3.2 Gen 2 Headers | 1 |
| Internal USB 3.2 Gen 1 Headers | 1 |
| Internal USB 2.0 Headers | 2 |
| NVIDIA SLI | No |
| AMD CrossFire | No |
| RAID Capability | Yes |
| Back-Connect Layout | No |
| Manufacturer Part Number (MPN) | B860M Pro-A |
| SKU Code | B860M Pro-A |
| GTIN / EAN | 4711581490291 |
Price History (last 12 months)
Plots available price points within the past 12 months.
