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ASUS TUF B850M-E mATX motherboard with Ryzen 9 9900X CPU installed, dark grey VRM heatsinks, black PCB, silver I/O shield

ASUS

ASUS TUF GAMING B850M-E WIFI AMD motherboard with Ryzen 9 9900X CPU

SKU CH-S8BE-CF672

A Socket AM5 motherboard and 12-core Ryzen 9 9900X CPU combo with DDR5 support, WiFi 6E, 2.5Gb Ethernet and PCIe 5.0 graphics slot

  • CPU Socket TypeAM5

Motherboard TUF GAMING B850M-E WIFI

Les versions barrées existent, mais ne sont pas disponibles ici.

CPU + Ryzen 9 9900X

  • 12-core Ryzen 9 9900X CPU delivers 24 threads for heavy multitasking
  • 80A DrMOS power stages and 8-layer PCB keep voltage stable under load
  • DDR5-5600 support with AEMP 3.0 optimises memory speed automatically
  • WiFi 6E and 2.5Gb Ethernet provide low-latency wired and wireless networking
  • TUF-certified components and 72-hour salt-spray shield ensure long-term durability

Combo built for AM5 platforms

The ASUS TUF GAMING B850M-E WIFI motherboard is paired with an AMD Ryzen 9 9900X processor. The CPU delivers 12 cores and 24 threads based on the Zen 5 architecture with a 5.6 GHz maximum boost frequency. The board provides an AM5 socket, four dual-channel DDR5 slots supporting AEMP 3.0, and a PCIe 5.0 x16 SafeSlot for graphics. Connectivity includes rear USB 3.2 Gen2x2 Type-C at 10 Gbps, front USB 3.2 Gen1 Type-C, WiFi 6E, and 2.5Gb Ethernet.

Sustained load behaviour

An 8-layer PCB carries 8+2+1 DrMOS power stages rated at 80A each to feed the 12-core CPU during extended workloads. Enhanced VRM and M.2 heatsinks cover the power delivery and the PCIe 5.0 x4 storage slot to manage thermal output over long sessions. TUF-certified components include 5K black metallic capacitors and a stainless steel I/O shield validated by 72-hour salt spray testing. AI Overclocking assists automatic tuning while maintaining stability under continuous demand.

Upgrade context

This combo replaces an older AM4 or early AM5 system when moving to DDR5 memory and the Zen 5 core design. The 64 MB L3 cache and 12 MB L2 cache on the 9900X benefit compilation, rendering, and multitasking workloads that exceed 8-core capacity. PCIe 5.0 support for both the graphics slot and a primary M.2 drive removes the storage and GPU bandwidth ceiling found on 4.0 platforms. The jump is worth it when current hardware limits thread count, memory speed, or expansion lane throughput.

Points forts

  • 12-core Ryzen 9 9900X CPU delivers 24 threads for heavy multitasking
  • 80A DrMOS power stages and 8-layer PCB keep voltage stable under load
  • DDR5-5600 support with AEMP 3.0 optimises memory speed automatically
  • WiFi 6E and 2.5Gb Ethernet provide low-latency wired and wireless networking
  • TUF-certified components and 72-hour salt-spray shield ensure long-term durability

Caractéristiques

BrandASUS
ModelTUF GAMING B850M-E WIFI+R9 9900X
CPU Socket TypeAM5

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

How much heat does the 12-core Ryzen 9 9900X generate when running all day at 5.6 GHz boost?

The unlocked 12-core processor reaches 5.6 GHz max boost and requires a separate cooler; the motherboard uses 8+2+1 80A DrMOS stages with enhanced VRM and M.2 heatsinks on an 8-layer PCB to manage sustained power delivery.

What memory must I already own for the four DDR5 slots to work with AEMP 3.0?

The board provides four dual-channel DDR5 DIMM slots and supports DDR5-5600 with ASUS Enhanced Memory Profile 3.0 for optimized timing and stability.

Will my PCIe 5.0 graphics card and existing M.2 drives work in the SafeSlot and extra M.2 heatsink?

The motherboard includes a PCIe 5.0 x16 SafeSlot for graphics and an additional PCIe 5.0 x4 M.2 slot with dedicated heatsink, both compatible with current high-speed devices.

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