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ASUS ROG STRIX B860-F motherboard with Intel Ultra 9 285K CPU and thermal grease tube

ASUS

ASUS ROG STRIX B860-F GAMING WIFI Intel motherboard & Ultra 9 285K CPU combo

SKU CH-6GAT-M641H

LGA 1851 motherboard and 125 W Intel Ultra 9 285K processor bundle with DDR5-9066+ support, PCIe 5.0 slots, WiFi 7, 2.5 Gb LAN, Thunderbolt 4.

  • CPU socketLGA 1851

Model ROG STRIX B860-F GAMING WIFI

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CPU +Ultra 9 285K

  • Ready-to-build combo with motherboard, CPU and Shin-Etsu X-23-7868-2D thermal grease included
  • 16+1+2+1 phase 80A DrMOS VRM with T-shaped heatsinks and dual 8-pin ProCool power connectors
  • AEMP III unlocks DDR5-9066+(OC) memory speeds while DIMM Fit Pro maintains stability
  • PCIe 5.0 x16 SafeSlot plus PCIe 5.0 M.2 at 128Gbps and three PCIe 4.0 M.2 slots with heatsinks
  • WiFi 7 and Intel 2.5Gb LAN plus Thunderbolt 4, rear USB 20Gbps Type-C and front USB 10Gbps Type-C header

Combo Contents

This bundle pairs an ASUS ROG STRIX B860-F GAMING WIFI motherboard with an Intel Core Ultra 9 285K processor and a tube of Shin-Etsu X-23-7868-2D thermal paste. It targets builders who want a matched platform for high-end desktop workloads without sourcing parts separately.

Socket & Power Design

The board uses the LGA 1851 socket and delivers power through a 16+1+2+1 phase DrMOS VRM rated at 80 A per phase, fed by dual 8-pin ProCool connectors. This layout is the primary factor in deciding whether the board can sustain the 125 W processor under continuous load.

Sustained Thermal Behaviour

The included Shin-Etsu paste provides 6.2 W/m·k conductivity and 0.07 °C·cm²/W resistance, helping transfer heat from the 285K die to a cooler during long sessions. Motherboard heatsinks cover the VRM and three of the four M.2 slots, while NPU Boost adds a 24 % AI throughput gain that remains stable over extended runs.

How it compares

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

Price $1,267.99
Pricier than about 94% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASUS
Model nameROG STRIX B860-F GAMING WIFI+Ultra 9 285K
Processor
CPU socketLGA 1851

Other versions of this model

5 more in the same range

Questions about this item

Does the motherboard support DDR5 memory and what speeds can it reach?

Yes, it supports DDR5 and can reach 9066 MT/s with AEMP III overclocking profiles.

Is a CPU cooler included with the Intel Ultra 9 285K processor?

No, the processor is sold without a cooling device; only thermal grease is supplied in the combo.

What high-speed ports are available on the rear I/O panel?

One Thunderbolt 4 port and one USB 20 Gbps Type-C port are provided on the rear panel.

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