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ATX motherboard in dark finish with silver heatsinks and a Ryzen 9 9900X processor installed

MSI

MSI MAG X870E TOMAHAWK WIFI + Ryzen 9 9900X Combo AMD motherboard

SKU CH-8QA7-0ZXHA

X870E ATX board paired with a 12-core Ryzen 9 9900X CPU, four DDR5 slots to 256 GB, PCIe 5.0 M.2 and x16, USB 40G, 5 Gb LAN and Wi-Fi 7

  • CPU Socket TypeAM5
  • CPU TypeSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processo
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory Standard4x DDR5 UDIMM, Maximum Memory Capacity 256GB Memory Support
  • Maximum Memory Supported256GB

CPU +Ryzen 9 9900X

  • Ryzen 9 9900X delivers 12 cores and 24 threads for heavy multitasking
  • X870E chipset supports DDR5 up to 8400 MT/s with 256 GB capacity
  • PCIe 5.0 x16 slot and four M.2 slots enable 128 GB/s bandwidth for GPUs and SSDs
  • Built-in USB 4 port provides 40 Gbps transfer speed for external devices
  • Wi-Fi 7 with 320 MHz channels reaches 5.8 Gbps alongside 5G LAN and 7.1-channel audio

Combo for high-end AM5 builds

This bundle pairs an AMD X870E chipset motherboard with a Ryzen 9 9900X processor. The CPU delivers 12 cores and 24 threads based on the Zen 5 architecture with a 5.6 GHz maximum boost clock. It targets enthusiasts building workstations or gaming systems that need strong multi-threaded performance.

Tool-free hardware installation

The board includes EZ PCIe Release for graphics card removal with a single button press. EZ M.2 Shield Frozr II allows tool-less mounting of up to four M.2 drives in 22110, 2280 and 2260 sizes. Four DDR5 slots support up to 256 GB of memory in dual-channel configuration.

X870E chipset with PCIe 5.0 connectivity

The chipset provides one PCIe 5.0 x16 slot, one PCIe 4.0 x16 slot and one PCIe 3.0 x16 slot. M.2_1 and M.2_2 run at PCIe 5.0 x4 from the CPU while M.2_3 and M.2_4 use chipset lanes. A built-in USB 4 port adds 40 Gbps throughput alongside 5G LAN and Wi-Fi 7 wireless.

Highlights

  • Ryzen 9 9900X delivers 12 cores and 24 threads for heavy multitasking
  • X870E chipset supports DDR5 up to 8400 MT/s with 256 GB capacity
  • PCIe 5.0 x16 slot and four M.2 slots enable 128 GB/s bandwidth for GPUs and SSDs
  • Built-in USB 4 port provides 40 Gbps transfer speed for external devices
  • Wi-Fi 7 with 320 MHz channels reaches 5.8 Gbps alongside 5G LAN and 7.1-channel audio

Specifications

BrandMSI
SeriesMAG X870E TOMAHAWK WIFI+R9 9900X
ModelMAG X870E TOMAHAWK WIFI+R9 9900X
Part NumberMAG X870E TOMAHAWK WIFI
CPU Socket TypeAM5
CPU TypeSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory Standard4x DDR5 UDIMM, Maximum Memory Capacity 256GB
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
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express 3.0 x161 x PCI Express 3.0 x16
Serial ATA (SATA)4 x SATA 6Gb/s
M.24x 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 ChannelsRealtek® ALC4080 Codec
7.1-Channel USB High Performance Audio
Supports up to 32-bit/384kHz playback on front panel
Supports S/PDIF output
Max LAN Speed1x Realtek® 8126 5G LAN
Wireless LANWi-Fi 7
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be
Supports Bluetooth® 5.4**, MLO, 4KQAM
* 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2.
** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
Back I/O PortsClear CMOS Button
USB 10Gbps Type-A
USB 5Gbps Type-A
USB 2.0
5G LAN
Wi-Fi / Bluetooth
Audio connectors
Flash BIOS Button
HDMI™
USB 40Gbps Type-C
USB 10Gbps Type-C
USB 10Gbps Type-A
Other Connectors1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x Front Type-C Quick Charge Connector(PD_PWR1)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
6x System Fan
1x EZ Conn-header (JAF_2)
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
4x USB 5Gbps Type A ports
1x USB 20Gbps Type C ports
Form FactorATX
Dimensions (W x L)243.84mmx304.8mm
Windows 11Support for Windows® 11 64-bit
FeaturesSupports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
Supports DDR5 Memory, Dual Channel DDR5 8400+ MT/s (OC)
Ultra Performance: 14+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 8-layer PCB made by 2oz thickened copper and server-grade level material
Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Release and EZ Antenna
Lightning Fast Game

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Questions about this item

Will the Ryzen 9 9900X run at its full 5.6 GHz boost on this board without a separate BIOS update?

The combo ships with the Ryzen 9 9900X already installed on an AM5 X870E board that natively supports the 9000 series, so the CPU will reach its 5.6 GHz max boost out of the box.

What DDR5 speed can I expect with four sticks populated?

With four DDR5 modules the board runs at JEDEC 4800 MT/s by default; overclocked speeds up to 8400 MT/s are validated for one or two modules only.

Does the board provide enough M.2 slots for two PCIe 5.0 SSDs and two PCIe 4.0 SSDs simultaneously?

Yes — M.2_1 and M.2_2 are wired to the CPU for PCIe 5.0 x4, while M.2_3 and M.2_4 run from the chipset at PCIe 4.0, giving four full-length slots in total.

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