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Sapphire NITRO+ B850M micro-ATX motherboard with Ryzen 7 9800X3D CPU in socket

Sapphire Tech

Sapphire Tech NITRO+ B850M WIFI AMD motherboard & Ryzen 7 9800X3D CPU combo

SKU CH-6DT4-E0BZG

AM5 motherboard paired with an 8-core Ryzen 7 9800X3D CPU featuring 128MB 3D V-Cache, PCIe 5.0 x16 slot, DDR5 8000+ OC support, Wi-Fi 6 and 2.5G LAN

  • ChipsetAMD B850
  • HDMI1 x HDMI
  • DisplayPort1 x DisplayPort

model NITRO+ B850M WIFI + AMD Ryzen 7 9800X3D

  • Ryzen 7 9800X3D with 128MB 3D V-Cache delivers 30% higher FPS in top titles
  • PCIe 5.0 x16 slot plus dual M.2 slots support next-gen GPUs and SSDs
  • DDR5 8000+ OC via EXPO profiles reduces latency for 144Hz+ esports gaming
  • VRM and M.2 temps stay below 70°C under load with NITRO+ aluminum heatsinks
  • Wi-Fi 6 and 2.5G LAN provide lag-free online gaming with 10Gbps USB Type-C

Combo overview

This bundle pairs the Ryzen 7 9800X3D processor with the Sapphire NITRO+ B850M WIFI motherboard on the AM5 platform. The CPU delivers 8 cores, 16 threads and a 5.2 GHz boost clock with 128 MB 3D V-Cache. The board uses the B850 chipset in a micro-ATX layout measuring 245 mm square and includes Wi-Fi 6 plus 2.5 GbE LAN.

Compatibility checklist

Verify that your chassis accepts a 245 mm micro-ATX board and that the power supply provides an 8-pin EPS connector for the 12+2+1 phase VRM rated at 60 A DrMOS. Confirm your memory kit is DDR5 and supports EXPO profiles for speeds up to 8000 MT/s. Ensure the case front panel offers a USB 20 Gbps Type-C header to match the board connector.

Build quality and daily use

Aluminium heatsinks with anti-condensation coating keep VRM and M.2 temperatures below 70 °C under a 120 W TDP load. The PCIe 5.0 x16 slot and dual M.2 sockets (one 5.0, one 4.0) leave room for a three-slot graphics card. Rear I/O supplies HDMI 2.1, DisplayPort 2.1, three USB 10 Gbps ports and Wi-Fi 6 antennas, while three 5 V ARGB and one 12 V RGB header simplify lighting sync.

Highlights

  • Ryzen 7 9800X3D with 128MB 3D V-Cache delivers 30% higher FPS in top titles
  • PCIe 5.0 x16 slot plus dual M.2 slots support next-gen GPUs and SSDs
  • DDR5 8000+ OC via EXPO profiles reduces latency for 144Hz+ esports gaming
  • VRM and M.2 temps stay below 70°C under load with NITRO+ aluminum heatsinks
  • Wi-Fi 6 and 2.5G LAN provide lag-free online gaming with 10Gbps USB Type-C

Specifications

BrandSAPPHIRE
ChipsetAMD B850
HDMI1 x HDMI
DisplayPort1 x DisplayPort

Other versions of this model

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Questions about this item

Will this motherboard fit in a mini-ITX case like the Lian Li O11D Mini?

The board uses the M-ATX form factor at 245x245mm and the manufacturer states it fits mini-ITX cases such as the Lian Li O11D Mini.

What DDR5 memory speeds are supported and how do I enable them?

The board supports DDR5 8000+ MHz via EXPO profiles; enable the profile in the BIOS to reach the rated overclock speeds.

Which CPU coolers are compatible with the AM5 socket on this board?

The combo uses the AM5 socket, so any cooler with AM5 mounting hardware will work; the 120W TDP of the 9800X3D means a capable air or liquid cooler is recommended.

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