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Rectangular ATX motherboard with black PCB, silver heatsinks, and NITRO+ branding

Sapphire Tech

Sapphire Tech NITRO+ B850A WIFI AMD motherboard

SKU CH-Z0CG-W38BA

AM5 motherboard with 12+2+1 power phases, DDR5 8000+ support, PCIe 5.0 and 4.0 slots, WIFI6 and Bluetooth 5, dual Type-C ports and dual M.2 heatsinks

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • HDMI1 x HDMI
  • DisplayPort1 x DisplayPort
  • 12+2+1 power design supports R9 9950 and 9950X3D processors
  • DDR5 memory overclocking reaches 8000 speeds for faster throughput
  • PCIe 5.0 M.2 slot enables future-ready storage bandwidth
  • WIFI6 and Bluetooth 5 provide modern wireless connectivity
  • Dual Type-C ports front and rear simplify device connections

Power Delivery & Processor Support

The board uses a 12+2+1 intelligent power design built for AMD AM5 socket processors including the R9 9950 and 9950X3D. It targets enthusiasts who need stable voltage regulation for high-end desktop CPUs.

Installation Notes & Common Issues

Three full-length PCIe expansion slots and dual M.2 heatsinks are pre-fitted, so large graphics cards and storage drives mount without extra brackets. The integrated I/O shield simplifies alignment, though the tall heatsink may interfere with some oversized CPU coolers.

Sustained Load Behaviour

Dual M.2 heatsinks and the large VRM heatsink dissipate heat during extended workloads, keeping throttling in check. WIFI 6 and Bluetooth 5 maintain steady wireless throughput when the system runs under continuous demand.

Highlights

  • 12+2+1 power design supports R9 9950 and 9950X3D processors
  • DDR5 memory overclocking reaches 8000 speeds for faster throughput
  • PCIe 5.0 M.2 slot enables future-ready storage bandwidth
  • WIFI6 and Bluetooth 5 provide modern wireless connectivity
  • Dual Type-C ports front and rear simplify device connections

Specifications

BrandSAPPHIRE
ModelNITRO+ B850A WIFI
CPU Socket TypeAM5
ChipsetAMD B850
HDMI1 x HDMI
DisplayPort1 x DisplayPort

Questions about this item

Which AMD processor series does the socket support?

The AM5 socket is built for AMD Razorback 9000, 8000 and 7000 series desktop processors.

What DDR5 memory speeds can the board reach when overclocked?

The board is validated for DDR5 speeds above 8000 MT/s with overclocking.

Which high-end CPUs does the 12+2+1 power design fully support?

The power delivery is rated for the R9 9950 and 9950X3D processors.

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