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ASUS ROG STRIX B860-G mATX motherboard with Intel Ultra 5 245K CPU and thermal paste tube

ASUS

ASUS ROG STRIX B860-G GAMING WIFI S Intel motherboard & Ultra 5 245K CPU combo

SKU CH-EGWQ-R3G5N

A B860 mATX motherboard paired with an Intel Ultra 5 245K processor and Shin-Etsu thermal compound for compact DDR5 builds

  • CPU Socket TypeLGA 1851

model ROG STRIX B860-G GAMING WIFI S

+CPU +Ultra 5 245K

  • Ready-to-build combo with motherboard, CPU and Shin-Etsu thermal paste included
  • 12+2+1 phase 70A VRM delivers stable power for Intel Ultra 5 245K
  • DDR5 memory support with AEMP II optimisation across four DIMM slots
  • WiFi 6E and 2.5Gb LAN plus rear USB 20Gbps Type-C for fast connectivity
  • PCIe 5.0 x16 slot and PCIe 5.0 M.2 slot at 128Gbps for next-gen GPU and storage

Combo contents

This bundle pairs an ASUS ROG STRIX B860-G GAMING WIFI S motherboard with an Intel Ultra 5 245K processor and a tube of Shin-Etsu X-23-7868-2D thermal grease. The board uses the LGA 1851 socket and an mATX form factor. It is aimed at builders who want a ready-matched platform for gaming or content creation.

Build integration

The motherboard provides four DDR5 DIMM slots with AEMP II support, a PCIe 5.0 x16 slot and a PCIe 5.0 M.2 slot rated at 128 Gbps. Rear I/O includes WiFi 6E, 2.5 Gb LAN and a USB 20 Gbps Type-C port, while a front-panel USB 10 Gbps Type-C header and USB4 support free up case connectivity. M.2 quick-release armor and a slide buckle simplify drive installation.

Sustained operation

The 12+2+1 phase VRM uses 70 A power stages with alloy chokes and durable capacitors to maintain stable delivery during long sessions. The CPU has a 125 W base power, 24 MB L3 cache and 26 MB L2 cache, and includes integrated Intel Graphics. The supplied grease offers 6.2 W/m·k conductivity and 0.07 °C·cm²/W resistance for consistent thermal transfer over extended loads.

Highlights

  • Ready-to-build combo with motherboard, CPU and Shin-Etsu thermal paste included
  • 12+2+1 phase 70A VRM delivers stable power for Intel Ultra 5 245K
  • DDR5 memory support with AEMP II optimisation across four DIMM slots
  • WiFi 6E and 2.5Gb LAN plus rear USB 20Gbps Type-C for fast connectivity
  • PCIe 5.0 x16 slot and PCIe 5.0 M.2 slot at 128Gbps for next-gen GPU and storage

Specifications

BrandASUS
ModelROG STRIX B860-G GAMING WIFI S+Ultra 5 245K
CPU Socket TypeLGA 1851

Other versions of this model

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Questions about this item

Does the 125W CPU exceed the 70A phase rating under sustained load?

Each of the 12+2+1 phases is rated at 70A, so the VRM can deliver well beyond the 125W processor draw without hitting its per-phase limit.

How hot and loud does the board run when the 125W CPU is loaded all day?

The 12+2+1 phase design with 70A alloy chokes runs cool enough that only your CPU cooler determines noise; the board itself adds no fan noise.

Which DDR5 memory kit do I need to populate the four slots?

Any DDR5 DIMMs work with the four slots; AEMP II firmware will optimise timings automatically at the rated speed of the kit you install.

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