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Asus Prime B860-PLUS WIFI-CSM Motherboard, Socket 1851, Intel B860, ATX

 

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Asus
Part no PRIME B860-PLUS WIFI-CSM
Ascent part no 779480
NZ support 0-800-278-778
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Find compatible RAM using a memory configurator from one of the following vendors: Corsair, Crucial, G.Skill, Kingston, Transcend, OWC (for MAC)
ATX motherboard for Intel Core Ultra Processors (Series 2) with LGA1851 socket and Intel B860 chipset. It supports DDR5 memory, PCIe 5.0 graphics expansion, two M.2 slots, Wi‑Fi 6E, Bluetooth 5.3, and 2.5Gb Ethernet.

Technical Specifications

Product NameASUS PRIME B860-PLUS WIFI-CSM
ManufacturerASUS
Model NumberPRIME B860-PLUS WIFI-CSM
Product LinePRIME
Product CategoryMotherboards
PROCESSOR
CPU SocketLGA1851
Supported CPUIntel Core Ultra Processors (Series 2)
ChipsetIntel B860 Chipset
MEMORY
Memory Slots4 x DIMM
Memory TypeDDR5
Maximum Memory256GB
Memory ChannelsDual channel
Memory Speed SupportUp to 8666+ MT/s (OC)
ECC SupportNon-ECC
Buffered SupportUn-buffered
Other Memory FeaturesClocked Unbuffered DIMM (CUDIMM), AEMP III
EXPANSION SLOTS
PCIe x16 Slots1 x PCIe 5.0 x16, 1 x PCIe 4.0 x16 (x4 mode), 3 x PCIe 4.0 x16 (x1 mode)
STORAGE
M.2 Slots2
M.2_1PCIe 5.0 x4, 2242/2260/2280
M.2_2PCIe 4.0 x4, 2242/2260/2280/22110
GRAPHICS
Integrated Graphics SupportYes, via CPU-integrated graphics
CONNECTIVITY
WirelessWi‑Fi 6E (802.11ax) 2x2, 2.4/5/6GHz
BluetoothBluetooth 5.3
Ethernet2.5Gb Ethernet
Rear USB1 x USB 20Gbps Type-C, 2 x USB 10Gbps Type-A, 1 x USB 5Gbps Type-A, 4 x USB 2.0 Type-A
Front USB Headers1 x USB 5Gbps Type-C header, 1 x USB 5Gbps header, 1 x USB 2.0 header
PHYSICAL
Form FactorATX
Dimensions12 inch x 9.6 inch (30.5 cm x 24.4 cm)
POWER
Power Stages8(80A) + 1(80A) + 1(80A) + 1(80A)
BIOS
BIOS TypeUEFI AMI BIOS
BIOS ROM2 x 128 Mb Flash ROM
SPECIAL FEATURES
FeaturesSafeSlot, CSM (Corporate Stable Model), PCIe 5.0 support, Wi‑Fi 6E, Bluetooth 5.3, AEMP III

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Please read our terms and conditions. We try very hard to make sure the specification and images on this page are accurate, but occasionally (and thankfully rarely) mistakes do happen. If you discover the product delivered is not as described, please let us know as soon as possible after delivery so we can correct the mistake and arrange for the product to be returned.

Asus
Part no PRIME B860-PLUS WIFI-CSM
Ascent part no 779480
NZ support 0-800-278-778
  • Free NZ deliveryNo hidden fees
  • 100% Kiwi owned34 years in business
  • Net Promoter Score 94Rated by our customers
Questions? (04) 802 3890


"It was a perfect experience. All team members at Ascent worked together beautifully and kept everyone in the loop about our special request, so I never had to repeat myself. They found the p" ... Kirsten, 7 October 2026
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