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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.

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2) (LGA1851)
  • ChipsetIntel B860
  • Channel SupportedDual Channel
  • ECC SupportedNon-ECC
  • Buffer SupportedUn-buffered
  • 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.

Fordele

  • 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

Specifikationer

BrandASRock
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2) (LGA1851)
ChipsetIntel B860
Channel SupportedDual Channel
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
M.2CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
*Supports Intel Volume Management Device (VMD)
Supports NVMe SSD as boot disks
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek RTL8125BG
BluetoothYes
Back I/O 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
HDMI1 x HDMI
Audio Ports3 Ports
Form FactorATX
Dimensions (W x L)12.0-in x 9.6-in
Forsendelsesvægt1.27 kg
Pakkestørrelse305 × 267 × 61 mm

Spørgsmål om denne vare

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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