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Black ATX motherboard with silver heatsinks and a silver Ryzen 9 9950X CPU in the AM5 socket

MSI

MSI MAG X870E TOMAHAWK WIFI AMD motherboard & Ryzen 9 9950X CPU combo

SKU CH-V7SA-KN9TX

X870E ATX motherboard paired with a 16-core 32-thread Ryzen 9 9950X, four DDR5 slots for 256 GB, PCIe 5.0 graphics and M.2, 5 Gb LAN, Wi-Fi 7 and USB 40 Gbps

  • ProcessorSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processo
  • ChipsetAMD X870E
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memory4x DDR5 UDIMM, Maximum Memory Capacity 256 GB Memory Support

CPU +Ryzen 9 9950X

  • 16 cores and 32 threads power heavy multitasking with the Ryzen 9 9950X
  • DDR5 memory scales to 8400 MT/s overclocked across four slots for 256 GB capacity
  • PCIe 5.0 x16 slot and two CPU-linked M.2 sockets deliver 128 GB/s bandwidth for GPU and storage
  • 5G LAN plus Wi-Fi 7 with 320 MHz channels reaches 5.8 Gbps wireless throughput
  • Tool-free EZ PCIe Release and EZ M.2 Shield Frozr II simplify hardware swaps

Combo Platform AM5 X870E

This bundle pairs an AMD X870E chipset motherboard with a Ryzen 9 9950X processor. The board supports AM5 socket CPUs from the 7000, 8000 and 9000 series. Four DDR5 slots accept up to 256 GB of memory at speeds up to 8400 MT/s when overclocked. A single USB4 port provides 40 Gbps connectivity.

Suitability High-End Workstation Builders

The 16-core, 32-thread CPU reaches a 5.7 GHz max boost and offers 64 MB L3 cache for heavy multi-threaded workloads. Wi-Fi 7 with 320 MHz channels and 5G LAN cover demanding network needs. Builders who need fewer cores or lower memory capacity should consider a different processor.

Deciding Spec PCIe 5.0 M.2 From CPU

Two M.2 slots connect directly to the CPU and run at PCIe 5.0 x4, delivering up to 128 GB/s bandwidth for the fastest storage devices. The remaining two M.2 slots and the x16 graphics slot use PCIe 4.0 or 3.0 from the chipset. If your workflow requires more than two direct CPU-attached Gen5 drives, this platform will not meet that requirement.

How it compares

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

Price $968.99
Pricier than about 87% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMAG X870E TOMAHAWK WIFI+R9 9950X
Model nameMAG X870E TOMAHAWK WIFI+R9 9950X
Part numberMAG X870E TOMAHAWK WIFI
Processor
ProcessorSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memory4x DDR5 UDIMM, Maximum Memory Capacity 256 GB
Memory Support DDR5 8400–5600 (OC) MT/s / 5600–4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency:
• 1DPC 1R Max speed up to 8400+ MT/s
• 1DPC 2R Max speed up to 6400+ MT/s
• 2DPC 1R Max speed up to 6400+ MT/s
• 2DPC 2R Max speed up to 4800+ MT/s
Supports AMD POR Speed and JEDEC Speed
Supports Memory Overclocking and AMD EXPO™
Supports Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM, Clock Driver bypass mode only*
* CUDIMM support and POR boot frequency may vary by CPU series, with manual
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportNon-ECC
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots4x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 22110/2280 devices
M.2_2 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
M.2_4 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G
M.2_1 slot (From CPU)
• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
• Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors)
M.2_2 slot (From CPU)
• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series proc
Audio & video
Sound channelsRealtek® ALC4080 Codec
7.1-Channel USB High Performance Audio
Supports up to 32-bit/384 kHz playback on front panel
Supports S/PDIF output
Connectivity
Maximum network speed1x Realtek® 8126 5G LAN
Ports & slots
PCIe 5.0 x16 slots1 x PCI Express 5.0 x16
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
Size & build
Form factorATX
Width and length243.84mmx304.8 mm
Compatibility
Windows 11 supportSupport for Windows® 11 64-bit

Other versions of this model

5 more in the same range

Questions about this item

What DDR5 memory speed and capacity do I need to install for the Ryzen 9 9950X to run at its rated 5600 MT/s?

Fit four DDR5 UDIMM modules up to 256 GB total; the board runs JEDEC 5600 MT/s out of the box and can be overclocked to 8400 MT/s with 1DPC 1R kits.

Will my existing PCIe 4.0 graphics card and PCIe 3.0 add-in cards work in the three x16 slots?

Yes — the top slot is PCIe 5.0 x16, the second is PCIe 4.0 x16 and the third is PCIe 3.0 x16, so older cards run at their native speeds.

How can I confirm the Wi-Fi 7 module is delivering the advertised 5.8 Gbps link after setup?

Connect to a 6 GHz 320 MHz channel; the OS link speed should show up to 5.8 Gbps and the Realtek 8126 5G LAN port will negotiate 5 Gbps on a wired test.

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