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Sapphire NITRO+ B850M motherboard and Ryzen 9 9900X CPU in anti-static packaging

Sapphire Tech

Sapphire Tech NITRO+ B850M WIFI AM5 mATX Motherboard + Ryzen 9 9900X Combo

SKU CH-WYGK-ZEJ09

Pairs a 12-core 24-thread Ryzen 9 9900X with a B850 mATX board featuring 12+2+1 power phases, PCIe 5.0 M.2, WiFi 6E and 2.5G LAN

  • CPU socketAM5
  • ChipsetAMD B850
  • HDMI ports1 x HDMI
  • DisplayPort connectors1 x DisplayPort

Cpu + R9 9900X

  • 12-core Ryzen 9 9900X hits 5.6 GHz boost for flagship gaming and heavy workloads
  • 12+2+1 phase power delivery with extended heatsinks keeps the CPU stable under sustained full load
  • PCIe 5.0 M.2 slot plus WiFi 6E and 2.5G LAN give ultra-fast storage and lag-free networking
  • AM5 platform supports Ryzen 7000/8000/9000 series with DDR5 up to 8000 MT/s for long-term upgrades
  • Compact mATX board includes HDMI, DisplayPort, 5.1-channel audio and multiple USB 3.2 Gen 2 ports

Combo for High-End Gaming and Workstation Builds

This bundle pairs a Sapphire NITRO+ B850M WIFI motherboard with an AMD Ryzen 9 9900X 12-core 24-thread processor. The CPU reaches a 5.6 GHz max boost clock and provides 64 MB of L3 cache. It targets enthusiasts who need strong multi-threaded performance for 4K gaming, video editing, 3D rendering and live streaming. The mATX form factor fits smaller chassis while retaining flagship features.

Connectivity Limits on the B850 Platform

The board provides one PCIe 5.0 x16 slot for graphics and one PCIe 4.0 x4 slot for additional expansion. A single PCIe 5.0 M.2 socket is available for high-speed NVMe storage. Networking uses a Realtek RTL8125BG controller for 2.5 G wired Ethernet plus Wi-Fi 6E and Bluetooth 5.3 for wireless. Rear I/O includes HDMI, DisplayPort, four USB 2.0 ports, three USB 3.2 Gen 2 Type-A ports, one USB 3.2 Gen 2 Type-C port and three audio jacks driven by a Realtek ALC897 codec.

Memory Overclocking Headroom Defines the Ceiling

Four DDR5 slots support up to 192 GB total capacity at speeds of 8000 MT/s and beyond when overclocked. The platform works with EXPO and XMP profiles to simplify high-frequency tuning. Buyers planning large memory kits or extreme frequency targets should verify their specific modules against the vendor QVL before purchase.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $626.99
Pricier than about 71% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameSAPPHIRE
Model nameNITRO+ B850M WIFI+(R9 9900X)
Processor
CPU socketAM5
ChipsetAMD B850
Ports & slots
HDMI ports1 x HDMI
DisplayPort connectors1 x DisplayPort

Other versions of this model

4 more in the same range

Questions about this item

Will the Ryzen 9 9900X fit in this motherboard without a BIOS update?

The combo ships with the processor already paired to an AM5 socket board, so it works out of the box.

What DDR5 speed can I run with the included CPU and board?

The board supports DDR5 overclocking up to 8000+ MT/s via EXPO or XMP profiles.

Does the motherboard include Wi-Fi antennas in the box?

The rear I/O provides two WiFi 6 antenna ports; antennas are typically bundled with the board.

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