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ASUS ROG STRIX B860-A motherboard and Intel Ultra 5 245K processor in retail packaging

ASUS

ASUS ROG STRIX B860-A GAMING WIFI S + Ultra 5 245K Combo

SKU CH-4RH7-4T67B

A motherboard and CPU bundle with 14+1 phase power, DDR5-7600 support, four M.2 slots, WiFi 6E and 2.5Gb LAN plus included thermal grease

  • CPU Socket TypeLGA 1851

model ROG STRIX B860-A GAMING WIFI S

+CPU +Ultra 5 245K

  • 14+1 phase power delivery with 50A and 60A DrMOS VRM ensures stable CPU operation
  • DDR5-7600+ optimization via AEMP II and reinforced SafeDIMM slots boosts memory performance
  • PCIe 5.0 x16 SafeSlot plus four M.2 slots with heatsinks provides high-speed storage expansion
  • WiFi 6E and 2.5Gb LAN with USB4 and 20Gbps USB Type-C delivers fast connectivity
  • Intel Ultra 5 245K 3nm Arrow Lake 125W CPU with 24MB L3 and 26MB L2 cache powers demanding workloads

Combo for LGA 1851 builds

This bundle pairs an ASUS ROG STRIX B860-A GAMING WIFI S motherboard with an Intel Ultra 5 245K processor and Shin-Etsu X-23-7868-2D thermal grease. It targets builders who want a ready-to-assemble platform on the LGA 1851 socket. The board delivers 14+1+1 DrMOS power stages rated at 50A and 60A with ProCool II connectors and enlarged heatsinks. WiFi 6E and 2.5Gb LAN handle networking.

DDR5-7600 headroom and four M.2 slots

AEMP II technology lets compatible DDR5 kits reach DDR5-7600+(OC) speeds while SafeDIMM slots reinforce signal integrity. The CPU provides 24MB L3 and 26MB L2 cache with integrated Intel Graphics for display output without a discrete card. Four M.2 slots with heatsinks, one wired for PCIe 5.0 x4, give ample high-speed storage capacity; the PCIe 5.0 x16 SafeSlot supports modern graphics cards.

PCIe 5.0 and USB bandwidth limits

The board's PCIe 5.0 x16 slot and PCIe 5.0 x4 M.2 lane share the CPU's 5.0 lanes, so populating both at full speed depends on processor lane allocation. Rear USB 20Gbps Type-C and front USB 10Gbps Type-C headers plus a USB4 header set the practical ceiling for external device throughput. The included thermal grease offers 6.2 W/m.k conductivity and 0.07 °C*cm^2/W resistance with a suggested two-year replacement cycle.

Points forts

  • 14+1 phase power delivery with 50A and 60A DrMOS VRM ensures stable CPU operation
  • DDR5-7600+ optimization via AEMP II and reinforced SafeDIMM slots boosts memory performance
  • PCIe 5.0 x16 SafeSlot plus four M.2 slots with heatsinks provides high-speed storage expansion
  • WiFi 6E and 2.5Gb LAN with USB4 and 20Gbps USB Type-C delivers fast connectivity
  • Intel Ultra 5 245K 3nm Arrow Lake 125W CPU with 24MB L3 and 26MB L2 cache powers demanding workloads

Caractéristiques

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

Autres versions de ce modèle

5 de plus dans cette gamme

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Questions sur cet article

Will my existing DDR5 memory run at its rated speed with the Ultra 5 245K and this board?

The board uses AEMP II technology to unlock DDR5-7600+(OC) speeds on SafeDIMM reinforced slots for stable operation.

How can I verify the 14+1 phase VRM is delivering clean power to the 125W Ultra 5 245K after assembly?

Monitor CPU Vcore and VRM temperatures in HWInfo or BIOS; the 50A and 60A DrMOS stages with enlarged heatsinks are designed for this 125W processor.

Does the box include a CPU cooler or only the Shin-Etsu X-23-7868-2D thermal grease?

The combo supplies the motherboard, Ultra 5 245K processor and Shin-Etsu X-23-7868-2D grease; a cooling device is not included and must be purchased separately.

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