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ATX motherboard with CPU installed, silver heatsinks, black PCB

ASUS

ASUS PRIME B850-PLUS WIFI AMD motherboard & Ryzen 9 9900X3D CPU Combo

SKU CH-WV3V-XWJ8W

AM5 motherboard and 12-core Ryzen 9 9900X3D CPU with 128 MB L3 cache, DDR5 support, Wi-Fi 6E, 2.5 Gb Ethernet and USB 10 Gbps Type-C

  • CPU Socket TypeAM5

Motherboard PRIME B850-PLUS WIFI

Struck-through versions exist but are not stocked here.

CPU + Ryzen 9 9900X3D

  • Ready-to-build combo pairs a B850 board with a 12-core Ryzen 9 9900X3D CPU
  • 8+2+1 phase VRM with Digi+ control delivers stable power to 9000 series processors
  • AEMP optimises DDR5 speeds even on non-EXPO memory kits for faster throughput
  • Wi-Fi 6E plus 2.5Gb Ethernet and USB 10Gbps Type-C give high-speed wired and wireless options
  • 128 MB L3 cache and integrated Radeon graphics boost gaming and compute performance

Combo for AM5 builds

This bundle pairs the ASUS PRIME B850-PLUS WIFI motherboard with the AMD Ryzen 9 9900X3D processor. The board uses the AM5 socket and supports DDR5 memory with AEMP optimisation for non-EXPO kits. It targets enthusiasts who want a ready-matched platform for gaming and productivity.

8+2+1 phase power with VRM heatsinks

The motherboard delivers power through an 8+2+1 phase design with Digi+ VRM and dedicated heatsinks. Connectivity includes Wi-Fi 6E, 2.5Gb Ethernet and USB 10Gbps Type-C ports. Three M.2 slots provide storage expansion, while Aura Sync and Addressable Gen 2 headers handle RGB lighting.

120W CPU with integrated Radeon graphics

The Ryzen 9 9900X3D runs at a 120W TDP and includes 128MB L3 cache plus 12MB L2 cache. Onboard Radeon graphics provide display output without a discrete card. The board's hybrid fan headers and VRM cooling manage thermals for the 12-core Zen 5 processor under sustained loads.

Highlights

  • Ready-to-build combo pairs a B850 board with a 12-core Ryzen 9 9900X3D CPU
  • 8+2+1 phase VRM with Digi+ control delivers stable power to 9000 series processors
  • AEMP optimises DDR5 speeds even on non-EXPO memory kits for faster throughput
  • Wi-Fi 6E plus 2.5Gb Ethernet and USB 10Gbps Type-C give high-speed wired and wireless options
  • 128 MB L3 cache and integrated Radeon graphics boost gaming and compute performance

Specifications

BrandASUS
ModelPRIME B850-PLUS WIFI+R9 9900X3D
CPU Socket TypeAM5

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the motherboard power delivery handle the 120W Ryzen 9 9900X3D without throttling?

The 8+2+1 phase Digi+ VRM design is built to supply stable current to 9000-series CPUs, so the board can sustain the processor's 120W base power under load.

Does the combo include Wi-Fi and fast wired networking out of the box?

Yes, the board integrates Wi-Fi 6E for wireless and a 2.5Gb Ethernet port for wired connections, both ready to use once drivers are installed.

Can I add high-speed storage without buying extra adapters?

Three M.2 slots are available on the motherboard for direct installation of compatible drives.

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