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White ATX motherboard with silver heatsinks and black PCB visible

ASRock

ASRock B860M Challenger WiFi White Intel motherboard

SKU CH-PF18-DZG09 MPN B860M Challenger WiFi White

ATX board for Intel Core Ultra Series 2 with 10+1+1+1+1 Dr.MOS phases, four DDR5 slots up to 8666 OC, PCIe 5.0 x16, dual M.2 at 128 and 64 Gb/s, Realtek 8125 LAN, Wi-Fi, Bluetooth, HDMI.

  • ProcessorIntel Core Ultra Processors (Series 2) (LGA1851)
  • ChipsetIntel B860
  • Form factorATX
  • CPU socketLGA 1851
  • Memory channelsDual Channel
  • ECC supportNon-ECC
  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • 10+1+1+1+1 Dr.MOS power phases for stable CPU delivery
  • Four DDR5 DIMM slots with dual-channel up to 8666 MT/s overclocking
  • PCIe 5.0 x16 slot plus PCIe 4.0 x16 for high-speed graphics and add-in cards
  • Realtek ALC897 7.1-channel audio with Nahimic enhancement for immersive sound

Socket and chipset

The ASRock B860M Challenger WiFi White is an ATX motherboard built around the Intel B860 chipset and LGA 1851 socket. It supports Intel Core Ultra Processors (Series 2) in a standard desktop form factor.

PCIe Gen5 M.2 upgrade

The board adds a CPU-attached M.2 slot running at PCIe 5.0 x4 (128 Gb/s) alongside two chipset Gen4 x4 slots. The jump is worth it when a Gen5 NVMe drive is the primary boot or scratch device.

White-themed ATX builds

The white PCB and heatsinks suit colour-coordinated ATX cases with room for four DDR5 DIMMs and a single x16 graphics card. Builders needing more than three M.2 slots or a smaller footprint should look elsewhere.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $122.99
Pricier than about 62% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASRock
Processor
ProcessorIntel Core Ultra Processors (Series 2) (LGA1851)
CPU socketLGA 1851
ChipsetIntel B860
Memory
Memory channelsDual Channel
ECC supportNon-ECC
BufferingUn-buffered
Storage
M.2 slotsCPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5 × 4 (128 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4 × 4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4 × 4 (64 Gb/s) mode*
*Supports Intel Volume Management Device (VMD)
Supports NVMe SSD as boot disks
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek RTL8125BG
Bluetooth supportYes
Ports & slots
Rear panel ports2 x Antenna Ports, 1 x HDMI, 1 x USB 3.2 Gen1 Type-C, 6 x USB 3.2 Gen1, 2 x USB 2.0, 1 x RJ-45 LAN, 1 x BIOS Flashback Button, 3 x HD Audio Jacks
HDMI ports1 x HDMI
Audio jacks3 Ports
Size & build
Form factorATX
Width and length12.0-in × 9.6-in
Shipping weight1.27 kg
Package size305 × 267 × 61 mm

Questions about this item

What case clearance is needed for the 12.0-in x 9.6-in ATX board?

The board follows the standard ATX form factor at 12.0-in by 9.6-in, so any case that supports ATX will have the correct mounting holes and I/O shield cutout.

Which CPU power connectors must be seated for the 10+1+1+1+1 Dr.MOS phases to function?

Connect both the 24-pin ATX and the 8-pin EPS cables; missing the EPS connector leaves the VCore+GT+SA rails unpowered and the system will not POST.

Which M.2 slot should hold the OS drive for PCIe 5.0 x4 speed?

Install the boot NVMe SSD in the CPU-linked M2_1 Blazing M.2 socket, which runs at PCIe Gen5x4 (128 Gb/s), while M2_2 and M2_3 are chipset Gen4x4 (64 Gb/s).

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