ASRock B860M Lightning WIFI Micro‑ATX Motherboard – LGA 1851, DDR5, PCIe 5.0
ASRock B860M Lightning WIFI DDR5 Micro‑ATX
The ASRock B860M Lightning WIFI is a high‑performance Micro‑ATX motherboard built for Intel’s latest LGA 1851 processors, including Intel Core Ultra CPUs. Powered by the Intel B860 chipset, it delivers next‑generation connectivity with PCIe Gen 5.0, DDR5 memory up to 8666+ MHz (OC), and a robust storage layout featuring 1× PCIe 5.0 Blazing M.2 and 3× PCIe 4.0 Hyper M.2 slots.
With 4× DDR5 DIMM slots supporting up to 256GB, Wi‑Fi 6E, 2.5Gb Killer LAN, Thunderbolt 4, and premium Realtek ALC1220 7.1‑channel audio, the B860M Lightning WIFI is engineered for gaming, productivity, and high‑speed workstation builds.
The board features a 6‑layer PCB, Dr.MOS power stages, extensive cooling headers, and full RGB/ARGB support via ASRock Polychrome Sync. With BIOS Flashback, Killer DoubleShot Pro, and a rich rear I/O layout, this motherboard is a feature‑packed choice for modern Intel systems.
Specifications
Type: Micro‑ATX Motherboard
Brand: ASRock
Model: B860M Lightning WIFI
Chipset: Intel B860
CPU Socket: LGA 1851
CPU Support: Intel Core Ultra Processors
Memory
Dual‑Channel DDR5
4 × DDR5 DIMM Slots
Supports DDR5 non‑ECC unbuffered
Up to 8666+ MHz (OC)
Native 5600 MHz support
Max Capacity: 256GB
Intel XMP 3.0 support
PCIe Slots: 1 × PCIe 5.0 x16 (GPU), 1 × M.2 Key‑E slot for WiFi/BT modules
Storage
M.2 Slots: 1 × Blazing M.2 PCIe 5.0 x4 (2280), 3 × Hyper M.2 PCIe 4.0 x4 (2260/2280)
SATA: 4 × SATA3 6Gb/s
RAID Support: RAID 0/1/5/10 for SATA
Networking:
Killer E3100G 2.5Gb LAN
Killer LAN software + DoubleShot Pro
Wi‑Fi 6E (802.11ax/axe) dual‑band 2×2
Bluetooth 5.3
Audio: Realtek ALC1220 7.1‑Channel HD Audio
Video Outputs (requires CPU with integrated graphics)
-
1 × HDMI 2.1 (4K 120Hz)
-
1 × DisplayPort 1.4 (8K 60Hz / 5K 120Hz)
-
1 × Thunderbolt 4 Type‑C (8K 60Hz / 5K 120Hz)
USB Connectivity
Rear I/O:
1 × Thunderbolt 4 Type‑C
2 × USB 3.2 Gen2 Type‑A
4 × USB 3.2 Gen1
2 × USB 2.0
HDMI
DisplayPort
2.5Gb LAN
Optical S/PDIF
Audio jacks
BIOS Flashback button
Internal Headers:
USB‑C 3.2 Gen2 (front)
USB 3.2 Gen1 heade
USB 2.0 headers
RGB + 3 × ARGB headers
CPU fan, AIO pump, chassis fan headers
TPM header
Front panel audio
Power Connectors: 24‑pin ATX, 2 × 8‑pin 12V CPU power
Form Factor Micro‑ATX: 24.4 cm × 24.4 cm
Included Accessories
2 × SATA Cables
2 × WiFi 2.4/5/6 GHz Antennas
1 × Thermistor Cable
Most Suitable For
High‑performance Intel LGA 1851 gaming PCs
PCIe 5.0 NVMe storage builds
Micro‑ATX productivity and workstation systems
Wi‑Fi 6E + Killer LAN hybrid networking setups
Mixed‑use and enthusiast‑grade builds