Overview
The ASRock B860M Pro RS WiFi is a mid-range Micro-ATX motherboard built on the B860 chipset for Intel Core Ultra (Arrow Lake) processors. With 10+1+1 power stages, 2x M.2 slots, and DDR5 support up to 192GB, it strikes an excellent balance between features, performance, and value for mainstream builders.
Full Specifications
| Socket | LGA 1851 |
| Chipset | B860 |
| Form Factor | Micro-ATX |
| Memory | DDR5, 4 DIMM slots, up to 192GB |
| PCIe Slots | 1x PCIe 5.0 x16 |
| M.2 Slots | 2x M.2 |
| SATA Ports | 4 |
| Rear USB | 7x USB |
| WiFi | WiFi 7 |
| Bluetooth | BT 5.4 |
| LAN | 2.5G |
| Audio | ALC897 |
| Power Phases | 10+1+1 |
Design & Build Quality
Build quality on the ASRock B860M Pro RS WiFi is good for the price point. The VRM heatsinks are adequately sized, and ASRock has included M.2 heatsinks to keep NVMe drives cool. The board layout is logical with well-placed headers and sufficient clearance around the CPU socket for most coolers.
VRM & Power Delivery
The 10+1+1 power delivery is appropriate for the board's target audience. It handles stock operation and moderate power draw processors without issue. If you're running a mid-tier processor at stock speeds, you'll have no concerns. Just avoid pairing it with the most power-hungry flagship CPUs.
Connectivity & I/O
WiFi 7 brings tri-band support, 320 MHz channels, and Multi-Link Operation (MLO) for blazing wireless speeds and reduced latency — ideal for competitive gaming and large file transfers. 5 Gigabit Ethernet provides excellent wired speeds for NAS and local network transfers. The rear panel features 7x USB, providing ample connectivity for peripherals, external storage, and high-speed devices.
Pros & Cons
Pros
- Adequate 10+1+1 power delivery for the target audience
- Latest WiFi 7 for future-proof wireless connectivity
- 5 Gigabit Ethernet for high-speed wired networking
- PCIe 5.0 GPU slot for next-generation graphics card bandwidth
Cons
Who Should Buy This Board?
Mainstream builders stepping into the Intel Core Ultra (Arrow Lake) platform. Offers the right balance of modern features, upgrade headroom, and sensible spending for gaming, productivity, and everyday workstation use.
Build Tips & Recommendations
- LGA 1851 shares the same mounting pattern as LGA 1700, so existing LGA 1700 coolers will work without modification.
- Enable XMP 3.0 in BIOS to run your DDR5 kit at rated speeds. DDR5-6000 to DDR5-6400 offers the best performance-per-dollar for most users.
- Install your primary NVMe SSD in the top M.2 slot closest to the CPU socket for the fastest connection. The 2x M.2 configuration is sufficient for most builds.
- This Micro-ATX board fits both Micro-ATX and ATX cases. If building in a smaller case, verify GPU length clearance before purchasing a large graphics card.
- Always update to the latest BIOS before installing components for the best compatibility, especially with newer CPUs and RAM kits. Download the BIOS file to a USB drive and use the flashback feature if available.