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Micro-ATX motherboard in matte black with yellow accents, AM5 socket, CPU installed, heatsinks on VRM and M.2 slots

ASUS

ASUS TUF Gaming B650M-PLUS + Ryzen 9 9900X AMD Motherboard & CPU Combo

SKU CH-3KW8-P4FG5

Micro-ATX motherboard and 12-core Ryzen 9 9900X CPU combo with DDR5 support, 14 power stages, PCIe 5.0 M.2, USB 3.2 Gen 2x2 Type-C, 2.5G Ethernet and AI noise cancellation

  • CPU Socket TypeAM5

Motherboard TUF Gaming B650M-PLUS

CPU + R9 9900X

  • 12 cores and 24 threads handle heavy workloads with Zen 5 architecture
  • 6 GHz max boost and unlocked multiplier let you push performance further
  • 12+2 teamed power stages with ProCool sockets deliver stable power to the CPU
  • M.2 PCIe 5.0 and USB 3.2 Gen2x2 Type-C provide high-speed storage and peripheral bandwidth
  • Realtek 2.5Gb Ethernet and TUF LANGuard give reliable low-latency wired gaming
  • Two-way AI noise cancellation clears mic and output audio for online play

Combo for AM5 builders

The bundle pairs an ASUS TUF Gaming B650M-PLUS motherboard with an AMD Ryzen 9 9900X processor. The board uses the AM5 socket and delivers 12+2 teamed power stages with ProCool connectors for stable delivery. It includes a PCIe 5.0 M.2 slot, USB 3.2 Gen 2x2 Type-C and 2.5G Ethernet. The CPU brings 12 cores, 24 threads and a 5.6 GHz max boost on Zen 5 architecture.

Suits high-core-count DDR5 systems

Builders who want 12 cores and 24 threads for rendering, compilation or heavy multitasking on a Micro-ATX platform will fit this combo. The board supports DDR5-5600 and PCIe 5.0 storage, so memory and drive bandwidth scale with the processor. Users needing a smaller ITX footprint, integrated graphics or a bundled cooler should look at other configurations.

Sustained load behaviour

The 12+2 teamed power stages and alloy coils keep voltage steady when all 12 cores hold high frequencies for long periods. DDR5-5600 support maintains memory throughput during extended compile or encode runs. The 2.5G Ethernet controller provides consistent network throughput for long uploads or streaming sessions without the latency spikes seen on 1G links.

Highlights

  • 12 cores and 24 threads handle heavy workloads with Zen 5 architecture
  • 6 GHz max boost and unlocked multiplier let you push performance further
  • 12+2 teamed power stages with ProCool sockets deliver stable power to the CPU
  • M.2 PCIe 5.0 and USB 3.2 Gen2x2 Type-C provide high-speed storage and peripheral bandwidth
  • Realtek 2.5Gb Ethernet and TUF LANGuard give reliable low-latency wired gaming
  • Two-way AI noise cancellation clears mic and output audio for online play

Specifications

BrandASUS
ModelTUF Gaming B650M-PLUS+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

What DDR5 memory speed does the Ryzen 9 9900X officially support?

The Ryzen 9 9900X supports DDR5-5600 memory speeds natively.

Can I use my existing AM4 cooler with the AM5 socket on this motherboard?

The AM5 socket uses a different mounting pattern than AM4, so you will need a cooler with AM5-specific brackets.

How can I verify the 12+2 teamed power stages are active after building the system?

Enter the UEFI BIOS and check the hardware monitor section; it will display the VRM phase count and current draw per phase.

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