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ATX motherboard with back-connect layout, black and silver heatsinks, four DDR5 slots, PCIe 5.0 x16 slot, multiple M.2 heatsinks

MSI

MSI MAG X870E TOMAHAWK MAX WIFI PZ AMD motherboard

SKU CH-KQHH-Y0MA9 MPN MAG X870E TOMAHAWK MAX WIFI PZ

AM5 board with back-connect layout, DDR5 to 8400, PCIe 5.0 x16 and dual M.2 5.0, Wi-Fi 7, 5G LAN and USB 40G

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 5600 / DDR5 5800 / DDR5 6000 / DDR5 6200 / DDR5 6400 /
  • Maximum Memory Supported256GB
  • Cleaner front view and easier cable routing with back-connect design
  • Up to 256GB DDR5 memory across four slots for heavy workloads
  • PCIe 5.0 x16 slot and two CPU-linked M.2 sockets at 5.0 x4 for fast GPU and storage
  • Wi-Fi 7 and 5G LAN plus USB 40G port for high-speed connectivity
  • Tool-less EZ M.2 Shield Frozr II and EZ PCIe Release simplify component swaps

AM5 DDR5 Platform for Ryzen 7000 8000 9000

The MSI MAG X870E TOMAHAWK MAX WIFI PZ is an ATX motherboard built around the AMD X870E chipset for AM5 socket processors. It supports Ryzen 7000 8000 and 9000 series CPUs with four DDR5 slots rated up to 8400 MT/s and a 256 GB maximum capacity. The board includes Wi-Fi 7 and a 5 Gb LAN port for high-speed networking.

Back Connect Layout Replaces Standard I/O

This model moves the rear panel connectors to the back of the PCB for a cleaner front view and easier cable routing. The change is worth it when building in a case with a cut-out behind the motherboard tray and when you want simpler access to ports after the graphics card is installed. A 64 MB BIOS ROM provides headroom for future CPU microcode updates.

Check AM5 Cooler Mounting and PCIe 5.0 M.2 Clearance

Verify that your CPU cooler uses the standard AM5 mounting pattern and does not block the top PCIe 5.0 x16 slot or the primary M.2 22110 2280 slot wired from the CPU. The board offers four SATA 6 Gb/s ports and three M.2 slots with PCIe 5.0 and 4.0 x4 links. RAID 5 on M.2 NVMe requires a Ryzen 9000 series processor.

Highlights

  • Cleaner front view and easier cable routing with back-connect design
  • Up to 256GB DDR5 memory across four slots for heavy workloads
  • PCIe 5.0 x16 slot and two CPU-linked M.2 sockets at 5.0 x4 for fast GPU and storage
  • Wi-Fi 7 and 5G LAN plus USB 40G port for high-speed connectivity
  • Tool-less EZ M.2 Shield Frozr II and EZ PCIe Release simplify component swaps

Specifications

BrandMSI
ModelMAG X870E TOMAHAWK MAX WIFI PZ
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 5600 / DDR5 5800 / DDR5 6000 / DDR5 6200 / DDR5 6400 / DDR5 6600 / DDR5 6666 / DDR5 6800 / DDR5 7000 / DDR5 7200 / DDR5 7400 / DDR5 7600 / DDR5 7800 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200 / DDR5 8266 / DDR5 8333 / DDR5 8400
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
Memory FeatureSupports CUDIMM, Clock Driver bypass mode only
PCI Express 5.0 x16PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E1 slot
- Supports PCIe 5.0 x16 (For Ryzen 9000/ 7000 Series processors)
- Supports PCIe 4.0 x8 (For Ryzen 8700/ 8600/ 8400 Series processors)
- Supports PCIe 4.0 x4 (For Ryzen 8500/ 8300 Series processor)
PCI Express x4PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
PCI Express x1PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
Serial ATA (SATA)4 x SATA 6Gb/s
M.2M.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
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 processors)
- Supports up
SATA RAIDSupports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices
*RAID 5 configuration is only supported by Ryzen 9000 series processors.
*RAID 10 for M.2 NVMe storage devices is only supported by Ryzen 9000/7000 series processors.
Audio ChipsetRealtek ALC4080 Codec
7.1-Channel USB High Performance Audio
Supports up to 32-bit/384kHz playback on front panel
Supports S/PDIF output
Audio Channels7.1 Channels
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x Clear CMOS Button / 1 x Flash BIOS Button / 1 x HDMI / 1 x LAN (RJ45) / 1 x Optical S/PDIF Out / 1 x USB 3.2 Gen 2 Type-C / 2 x Antenna Bracket / 2 x Audio Jacks / 2 x USB 3.2 Gen 2 Type-A / 2 x USB 3.2 Gen 2x2 Type-C / 3 x USB 3.2 Gen 1 Type-A / 4 x USB 2.0/1.1
Onboard USB4 x USB 2.0 ports
4 x USB 5Gbps Type A ports
1 x USB 20Gbps Type C ports
Other Connectors1 x CPU Fan
1 x Combo Fan (Pump_Sys Fan)
6 x System Fan
1 x EZ Conn-header (JAF_2)
2 x Front Panel (JFP)
1 x Chassis Intrusion (JCI)
1 x Front Audio (JAUD)
3 x Addressable V2 RGB LED connector (JARGB_V2)
1 x RGB LED connector(JRGB)
1 x TPM pin header(Support TPM 2.0)
2 x Direct OC Jumper (JBCLK)
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x Power Connector(ATX_PWR)
2 x Power Connector(CPU_PWR)
1 x Power Connector(PCIE_PWR 8pin)
Shipping weight2.68 kg
Package size345 × 292 × 76 mm

Questions about this item

Will this board fit a standard ATX case and allow normal CPU-cooler mounting?

The board follows ATX dimensions and uses the AM5 socket, so any AM5-compatible cooler with standard mounting holes will fit.

Which Ryzen processors run the top PCIe slot at full 5.0 x16 speed?

Ryzen 9000 and 7000 series CPUs enable PCIe 5.0 x16 on the primary slot; 8000 series CPUs drop to 4.0 x8 or 4.0 x4 depending on model.

Can I populate all four M.2 slots without losing SATA ports?

Yes — the four SATA 6Gb/s ports are independent of the three M.2 sockets, so all can be used simultaneously.

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