ASRock B860M Challenger WiFi LGA1851 mATX DDR5 Motherboard (90-MXBUP0-A0UAYZ)

The ASRock B860M Challenger WiFi is a Micro-ATX motherboard built on the Intel B860 chipset for Intel's LGA1851 (Socket V1) platform, targeting Intel Core Ultra Series 2 (Arrow Lake) processors. It supports up to 192GB of DDR5 across four DIMM slots with speeds up to DDR5-7200+(OC), features a PCIe 5.0 x16 primary slot for the latest GPUs, and offers two Hyper M.2 slots (PCIe Gen4 x4) for fast NVMe storage — all in a compact Micro-ATX footprint ideal for compact high-performance and workstation builds.

Advantages

The B860M Challenger WiFi includes Wi-Fi 6E (802.11ax) and Bluetooth 5.3 built in, plus 2.5 Gigabit Dragon LAN for fast wired networking — eliminating the need for add-in cards. A rear panel featuring USB 3.2 Gen2x2 Type-C (20Gbps), multiple USB 3.2 Type-A ports, HDMI 2.1, and DisplayPort 1.4 ensures modern connectivity right out of the box. Realtek ALC897 7.1-channel HD audio and RAID support for SATA storage complete the feature set.

Suitable for

• Home and office builders seeking a compact, feature-rich Intel Arrow Lake platform board
• Gamers wanting PCIe 5.0 GPU support and fast DDR5 memory in a mATX form factor
• Professionals needing Wi-Fi 6E, 2.5GbE LAN, and USB 3.2 Gen2x2 connectivity without add-in cards

Key specifications

• Brand: ASRock
• Model: B860M Challenger WiFi
• MPN: 90-MXBUP0-A0UAYZ
• EAN: 4711581494602
• Socket: LGA1851 (Intel Core Ultra Series 2 / Arrow Lake)
• Chipset: Intel B860
• Form Factor: Micro-ATX (mATX)
• Memory: 4x DDR5 DIMM, up to 192GB, DDR5-7200+(OC)
• PCIe Slots: 1x PCIe 5.0 x16, 1x PCIe 4.0 x1
• M.2 Slots: 2x (PCIe Gen4 x4)
• SATA: 4x SATA 6Gb/s (RAID 0/1/5/10)
• Video Out: 1x HDMI 2.1, 1x DisplayPort 1.4
• LAN: 2.5 Gigabit Dragon LAN
• Wi-Fi: Wi-Fi 6E (802.11ax) + Bluetooth 5.3
• Audio: Realtek ALC897 7.1 CH HD Audio
• USB (rear): 1x USB 3.2 Gen2x2 Type-C, 2x USB 3.2 Gen2 Type-A, 4x USB 3.2 Gen1 Type-A, 2x USB 2.0
• BIOS: 128Mb AMI UEFI with graphical interface
• Colour: Black

How to use

Install a compatible Intel Core Ultra Series 2 processor into the LGA1851 socket, seat your DDR5 DIMMs, connect the PCIe 5.0 x16 GPU, and populate the M.2 slots with NVMe SSDs. Use the AMI UEFI BIOS to enable XMP/EXPO profiles for your DDR5 kit and configure RAID as needed. Connect to your router via 2.5GbE or use built-in Wi-Fi 6E for wireless operation.

Recommendations

For builders who want the latest Intel LGA1851 platform in a space-saving Micro-ATX package without sacrificing connectivity or PCIe bandwidth, the ASRock B860M Challenger WiFi is a well-rounded and capable choice.