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ASUS TUF Gaming B850 motherboard with Ryzen 9 9900X CPU, ATX board in dark finish with large VRM heatsinks and M.2 covers

ASUS

ASUS TUF GAMING B850-BTF WIFI W AMD Motherboard & Ryzen 9 9900X CPU Combo

SKU CH-4FTF-MA7D1

A pre-built combo pairs an AM5 motherboard with a 12-core Ryzen 9 9900X reaching 5.6 GHz boost, plus Wi-Fi 7, 2.5Gb LAN, PCIe 5.0 graphics and M.2 slots, and a 600 W GPU power connector

  • CPU Socket TypeAM5

Motherboard TUF GAMING B850-BTF WIFI W

Struck-through versions exist but are not stocked here.

CPU + Ryzen 9 9900X

  • Ready for AI workloads with power and connectivity for demanding applications
  • 12 cores and 24 threads on Zen 5 architecture with 5.6 GHz max boost
  • PCIe 5.0 x16 slot plus Wi-Fi 7 and 2.5Gb Ethernet for ultrafast connectivity
  • 14+2+1 80A DrMOS power stages and enlarged VRM heatsinks for comprehensive cooling
  • Hidden-connector design with graphics-card high-power slot delivering up to 600 watts

Combo Motherboard and CPU

This package pairs an ASUS TUF GAMING B850-BTF WIFI W motherboard with an AMD Ryzen 9 9900X processor. The board uses the AM5 socket and fits ATX cases. It is aimed at builders who want a single validated kit for high-end desktop work and gaming. The CPU provides 12 cores and 24 threads based on Zen 5 architecture with a 5.6 GHz maximum boost clock and 64 MB L3 cache.

PCIe 5.0 and Power Delivery Limits

The motherboard includes one PCIe 5.0 M.2 slot and two PCIe 4.0 M.2 slots, each with a dedicated heatsink. The primary x16 expansion slot is PCIe 5.0 ready. A graphics card high-power slot can deliver up to 600 watts through the board to a compatible GPU. Power phases use 14 plus 2 plus 1 DrMOS stages rated at 80 amps each.

12-Core Zen 5 Processor

The included Ryzen 9 9900X operates at a 5.6 GHz maximum boost frequency and is unlocked for overclocking. It brings 12 cores and 24 threads with 64 MB of L3 cache. This CPU specification determines whether the combo meets the performance target for heavy multithreaded workloads and high-refresh gaming.

Highlights

  • Ready for AI workloads with power and connectivity for demanding applications
  • 12 cores and 24 threads on Zen 5 architecture with 5.6 GHz max boost
  • PCIe 5.0 x16 slot plus Wi-Fi 7 and 2.5Gb Ethernet for ultrafast connectivity
  • 14+2+1 80A DrMOS power stages and enlarged VRM heatsinks for comprehensive cooling
  • Hidden-connector design with graphics-card high-power slot delivering up to 600 watts

Specifications

BrandASUS
ModelTUF GAMING B850-BTF WIFI W+R9 9900X
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

Which Ryzen 9 9900X specification should I prioritise for heavy multitasking?

The 12 cores and 24 threads based on Zen 5 architecture give strong parallel performance for demanding workloads.

What does the 5.6 GHz max boost mean for everyday gaming?

It allows single-threaded bursts up to 5.6 GHz when thermal headroom exists, lifting frame rates in CPU-limited titles.

How does the PCIe 5.0 x16 slot affect graphics card bandwidth?

The slot supports PCIe 5.0 speeds, so a compatible GPU can use the full x16 lane width without a bottleneck.

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