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MSI MAG X870 TOMAHAWK WIFI motherboard with Ryzen 9 9950X CPU in AM5 socket

MSI

MSI MAG X870 TOMAHAWK WIFI AMD motherboard & Ryzen 9 9950X CPU combo

SKU CH-8G99-HW4AD

Pre-built AM5 motherboard and 16-core Ryzen 9 9950X CPU with 5.7 GHz boost, DDR5 memory support to 8400 MT/s, PCIe 5.0 x16 graphics slot, four M.2 connectors, Wi-Fi 7, 5G LAN and USB 40G

  • CPU Socket TypeAM5
  • ChipsetAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • ECC SupportedNon-ECC

CPU +R9 9950X

  • Ryzen 9 9950X delivers 16 cores and 32 threads for heavy workloads
  • DDR5 memory overclocked to 8400 MT/s with MSI Memory Boost
  • PCIe 5.0 x16 and dual M.2 slots at 5.0 x4 for fastest GPU and storage
  • 5G LAN plus Wi-Fi 7 with 320 MHz channel for 5.8 Gbps wireless
  • Extended heatsink and 80A SPS VRM keep the 5.7 GHz boost stable

Combo for high-end AM5 builds

This bundle pairs the MSI MAG X870 TOMAHAWK WIFI motherboard with the AMD Ryzen 9 9950X processor. The CPU delivers 16 cores and 32 threads based on the Zen 5 architecture with a 5.7 GHz max boost clock. The board uses the X870 chipset and AM5 socket to support the platform. It targets enthusiasts building workstations or high-performance gaming systems.

Fits AM5 cases with DDR5 and PCIe 5.0 devices

The board provides four 288-pin DDR5 slots supporting up to 256 GB in dual-channel mode. Memory Boost technology enables speeds of 8400 MT/s when overclocked. A primary PCIe 5.0 x16 slot connects directly to the CPU for graphics cards. Two CPU-linked M.2 slots accept 2280 and 2260 drives at PCIe 5.0 x4 speeds. Two additional chipset M.2 slots and four SATA 6 Gb/s ports handle extra storage. The EZ PCIe Release button simplifies graphics card swaps. Connectivity includes a USB 40 Gbps port, 5 Gbps LAN, and Wi-Fi 7 with a 320 MHz channel.

Sustained speed from 80A VRM and extended heatsinks

An 80 A SPS VRM design supplies stable power to the 16-core CPU during prolonged workloads. Extended PWM heatsinks dissipate heat across a larger surface area to maintain clock rates. The Realtek ALC4080 codec drives 7.1-channel audio for monitoring. The 5 Gbps LAN and Wi-Fi 7 links sustain high throughput for large file transfers and streaming. DDR5-5600 native support provides a reliable baseline for memory-intensive tasks.

Highlights

  • Ryzen 9 9950X delivers 16 cores and 32 threads for heavy workloads
  • DDR5 memory overclocked to 8400 MT/s with MSI Memory Boost
  • PCIe 5.0 x16 and dual M.2 slots at 5.0 x4 for fastest GPU and storage
  • 5G LAN plus Wi-Fi 7 with 320 MHz channel for 5.8 Gbps wireless
  • Extended heatsink and 80A SPS VRM keep the 5.7 GHz boost stable

Specifications

BrandMSI
ModelMAG X870 TOMAHAWK WIFI+R9 9950X
CPU Socket TypeAM5
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
PCI Express 5.0 x16PCI_E1 slot (From CPU) Supports up to PCIe 5.0 x16
PCI Express x4PCI_E3 slot (From Chipset X870) Supports up to PCIe 4.0 x4
PCI Express x1PCI_E2 slot (From Chipset X870) Supports up to PCIe 3.0 x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.2M2_1 slot (From CPU)
- Supports up to PCIe 5.0 x4
- Supports 2280/110 storage devices
M2_2 slot (From CPU)
- Supports up to PCIe 5.0 x4
- Supports 2260/80 storage devices
M2_3 slot (From Chipset)
- Supports up to PCIe 4.0 x2
- Supports 2260/80 storage devices
M2_4 slot (From Chipset)
- Supports up to PCIe 4.0 x4
- Supports 2260/80 storage devices
* The M2_2 slot will be unavailable when using Ryzen 5 8500G processor.
** PCI_E3 slot will run at x2 speed when installing device in the M2_3 slot
SATA RAIDSupports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices
Audio ChipsetRealtek ALC4080
Audio Channels7.1 Channels
LAN ChipsetRealtek 8126-VB
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x Flash BIOS button
1 x Clear CMOS button
1 x HDMI port
1 x USB 10Gbps Type-A (From CPU)
1 x USB 10Gbps Type-A (From X870 chipset)
1 x USB 10Gbps Type-C (From X870 chipset)
2 x USB 40Gbps Type-C (From ASM4242)
3 x USB 5Gbps Type-A (From GL3523)
4 x USB 2.0 Type-A ports (From GL850)
1 x 5Gbps LAN (RJ45) port
2 x Wi-Fi Antenna connectors
2 x audio jacks
1 x Optical S/PDIF Out connector
Onboard USBAMD X870 Chipset
- 1 x USB 20Gbps Type-C front panel port with Power Delivery Supports up to 27W fast charging
- 2 x USB 5Gbps connectors Supports additional 4 USB 5Gbps ports
- 2 x USB 2.0 connectors Supports additional 4 USB 2.0 ports
Other ConnectorsFan Connectors
- 1x 4-pin CPU fan connector
- 6x 4-pin system fan connectors
- 1x 4-pin water-pump/ system fan connector
- 1x EZ Conn-Header V2 (JAF_2 with 11-Pin)
System Connectors
- 1x Front panel audio connector
- 2x System panel connectors
- 1x Chassis Intrusion connector
- 1x TPM module connector
Jumpers
- 1x Clear CMOS jumper
- 1x OC safe boot BIOS jumper
Form FactorATX
LED Lighting1 x 4-pin RGB LED connector
3 x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors
4 x EZ Debug LED
1 x 2-Digit Debug Code LED
1 x EZ Conn-Header V2 (JAF_2 with 11-Pin)
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Power Connector (ATX_PWR)
2 x 8-pin Power Connector (CPU_PWR)
1 x 8-pin Power Connector (PCIE_PWR)
BIOS Feature1x 256 Mb flash
UEFI AMI BIOS
ACPI 6.4, SMBIOS 3.7
Multi-language
SoftwareDrivers
MSI Center
Acrobat
Adobe Creative Cloud
AIDA64 Extreme-MSI Edition
CPU-Z MSI GAMING
MSI App Player (BlueStacks)
Norton 360
FeaturesMSI Center Features
- MSI AI Engine
- Game Highlights
- Frozr AI Cooling
- Hardware Monitoring
- Live Update
- MSI Companion
- System Diagnosis
- Cooling Wizard
- LAN Manager
- Mystic Light
- Ambient Link
- True Color
- User Scenario
- Super Charger +
Thermal Features
- K7 MOSFET thermal pad / K5 Extra choke pad
- Extended Heatsink Design
- Fan headers (CPU + Combo+PUMP + SYSTEM)
- M.2 Shield Frozr
Performance
- Lightning Gen 5 PCI-E Slot / M.2
- Lightning Gen 4 PCI-E Slot / M.2
- Front USB Type-C
- USB with PD
- Supplemental PCIe Power Connector
- Core Boost
- Dual CPU Power
- Memor

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 80A SPS VRM and extended heatsink handle the 9950X at 5.7 GHz boost without throttling?

The 80A SPS VRM with extended PWM heatsink is designed to keep the 16-core, 32-thread 9950X running at its 5.7 GHz max boost under full load.

Which M.2 slots support Gen 5 speeds and what drive lengths fit each?

M2_1 and M2_2 run from the CPU at PCIe 5.0 x4; M2_1 takes 2280/110 drives, M2_2 takes 2260/80 drives.

Does the board include Wi-Fi 7 and 5 Gbps LAN out of the box?

Yes — Wi-Fi 7 with 320 MHz channel for up to 5.8 Gbps and a Realtek 8126-VB 5 Gbps LAN port are built in.

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