ASRock B860 Pro-A ATX Motherboard - LGA1851, DDR5
ASRock
ASRock B860 Pro-A ATX Motherboard - LGA1851, DDR5
The ASRock B860 Pro-A is an ATX motherboard built for Intel Core Ultra Processors Series 2, designed for users who need stable, reliable performance in a mainstream system. It combines DDR5 memory support, PCIe 5.0 connectivity, and a 2.5G LAN interface in a straightforward, no-frills package suited to productivity, content creation, and gaming.
Why this product
Intel Core Ultra Processors Series 2
Supports the latest LGA1851 socket CPUs with full compatibility for Intel's current generation.
PCIe 5.0 and DDR5 Ready
One PCIe 5.0 x16 slot and one M.2 Gen5 slot enable high-speed storage and graphics; DDR5 memory runs up to 8666+ MHz on preset overclocking profiles.
2.5G LAN for Faster Networking
Delivers up to 2.5× the bandwidth of standard gigabit Ethernet, reducing lag in online gaming and speeding up file transfers.
USB 3.2 Gen2x2 Type-C
Supports 20 Gbps data transfer and reversible connector design for fast external storage and peripheral access.
Stable Power Delivery
10+1+1+1+1 power phase design ensures consistent power to the CPU and chipset under load.
- Form FactorATX
- CPU SocketLGA1851
- ChipsetIntel B860
- Memory Slots4 × DDR5 DIMM
- Max Memory256GB
- PCIe SlotsPCIe 5.0 x16, PCIe 4.0 x16 (x4 mode)
- M.2 Slots4 (1× Gen5, 2× Gen4, 1× WiFi/BT)
- LAN2.5 Gigabit
- SKUASR-3466
- EAN4711581490246
- Fits any ATX case with standard motherboard mounting points and power connectors.
- Works with Intel Core Ultra Processors Series 2 (LGA1851 socket only).
- Accepts DDR5 memory modules up to 256GB across 4 DIMM slots.
- DDR5 overclocking requires Intel XMP or AMD EXPO capable memory modules and manual BIOS configuration.
- Does not support AMD processors or older Intel socket types.
Best for
- Mainstream productivity and home office builds where stable, reliable performance matters more than extreme overclocking.
- Content creators and streamers who benefit from 2.5G networking and multiple storage options.
- Gaming systems where DDR5 support and PCIe 5.0 GPU slots provide future-proofing without premium pricing.
- Users building with Intel Core Ultra Series 2 processors who want straightforward, tested compatibility.
Trade-offs
- Enthusiasts seeking dual-GPU setups; the second PCIe slot runs at x4 mode via chipset, limiting bandwidth.
- High-end creators or workstation users requiring more M.2 slots or Thunderbolt connectivity.
- Budget builders on tight constraints; B860 chipset boards with fewer features and connectivity options exist at lower price points.
Pro-A series is designed for enhanced stability, durability, and efficiency, it offers reliable performance, user-friendly features and a streamlined aesthetic, making it ideal for daily computing needs.
Optimized for stability, durability, and efficiency. It combines reliable performance, user-friendly features and streamlined style for daily computing tasks.
Derived from the "built for stable and reliable" designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles.
Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you'll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.
The latest USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate which is 2x as fast as previous generation, providing a blazing fast data transfer interface with reversible USB Type-C design that fits the connector either way.
General
| Brand | ASRock |
|---|---|
| Form Factor | ATX |
| CPU Socket | LGA1851 |
| Chipset | Intel B860 |
Memory & Storage
| Memory Slots | 4 × DDR5 DIMM |
|---|---|
| Max Memory | 256GB |
| Native Memory Speed | DDR5-5600 |
| Memory Overclocking | DDR5-8666+ MHz (OC) |
| M.2 Gen5 Slots | 1 (Key M, type 2280, 128 Gb/s) |
| M.2 Gen4 Slots | 2 (type 2230/2242/2260/2280, 64 Gb/s each) |
| SATA Connectors | 4 × SATA3 (6.0 Gb/s) |
Expansion & Connectivity
| PCIe GPU Slots | 1 × PCIe 5.0 x16 (CPU), 1 × PCIe 4.0 x16 (x4 mode, chipset) |
|---|---|
| USB 3.2 Gen2x2 Type-C | 1 (20 Gb/s, rear) |
| USB 3.2 Gen1 | 6 (rear), 2 (front headers) |
| USB 2.0 | 2 (rear), 4 (front headers) |
| LAN | 1 × 2.5 Gigabit (Realtek RTL8125BG) |
Onboard & Power
| Audio | Realtek ALC897 7.1 CH HD |
|---|---|
| Video Outputs | 1 × HDMI, 1 × DisplayPort 1.4 |
| Power Connectors | 24-pin ATX, 8+4 pin CPU |
| Power Phases | 10+1+1+1+1 |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.