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ATX motherboard with dark heatsinks and AM5 socket

MSI

MSI MAG X870 TOMAHAWK WIFI AMD motherboard open box

SKU CH-VJ1Z-EP0N5 MPN MAG X870 TOMAHAWK WIFI

An ATX motherboard for AMD Ryzen 7000, 8000 and 9000 series processors with an 80A SPS VRM, DDR5 support up to 8400 MT/s, PCIe 5.0 x16, four M.2 slots, Wi‑Fi 7, 5G LAN and a USB 40G port

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4800 / DDR5 5000 / DDR5 5200 / DDR5 5400 / DDR5 5600 /
  • Maximum Memory Supported256GB
  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • 80A SPS VRM with extended heatsink keeps high-end CPUs running at full speed
  • DDR5 memory boost up to 8400 MT/s with AMD EXPO profiles
  • PCIe 5.0 x16 graphics slot plus two CPU-linked M.2 Gen5 drives
  • Wi-Fi 7 with 320 MHz channel plus 5G LAN for fast networking

AM5 platform for Ryzen 7000, 8000 and 9000 series

This ATX motherboard uses the AMD X870 chipset and an AM5 socket. It accepts Ryzen 7000, 8000 and 9000 series processors with an 80A SPS VRM design. Four DDR5 slots support up to 256GB in dual-channel mode with AMD EXPO profiles up to 8400 MT/s.

Builders who need PCIe 5.0 graphics and storage

The board provides a PCIe 5.0 x16 slot from the CPU and two CPU-linked M.2 slots at PCIe 5.0 x4. A 5G LAN port and Wi-Fi 7 with 320MHz channels give high-throughput networking. Users staying with PCIe 4.0 graphics or SATA-only drives can save money on a simpler chipset.

PCIe 5.0 x16 graphics slot from the CPU

The primary expansion slot runs at PCIe 5.0 x16 directly from the processor. This single specification decides whether a next-generation graphics card can operate at its full link width on this motherboard.

Highlights

  • Supports Ryzen 7000, 8000 and 9000 series processors on AM5 socket
  • 80A SPS VRM with extended heatsink keeps high-end CPUs running at full speed
  • DDR5 memory boost up to 8400 MT/s with AMD EXPO profiles
  • PCIe 5.0 x16 graphics slot plus two CPU-linked M.2 Gen5 drives
  • Wi-Fi 7 with 320 MHz channel plus 5G LAN for fast networking

Specifications

BrandMSI
ModelMAG X870 TOMAHAWK WIFI
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4800 / DDR5 5000 / DDR5 5200 / DDR5 5400 / DDR5 5600 / DDR5 5800 / DDR5 6000 / DDR5 6200 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 / DDR5 7200 / DDR5 7400 / DDR5 7600 / DDR5 7800 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200 / DDR5 8266 / DDR5 8400
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
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
Shipping weight2.31 kg
Package size348 × 292 × 79 mm

Questions about this item

How does the 8400+ MT/s DDR5 rating translate when I install memory?

The board supports DDR5 speeds up to 8400 MT/s through AMD EXPO profiles, so kits rated at that speed can run at their advertised frequency without manual tuning.

What does the USB4 40Gbps port actually limit in everyday use?

The USB4 port provides up to 40Gbps bandwidth for external storage or displays, with real-world throughput depending on the connected device and cable quality.

What clearance do the four M.2 slots need for heatsinks or long drives?

Two CPU-linked slots accept 2280 and 110 mm drives, while the chipset-linked slots take 2280 and 2260 mm drives; all four sit under the board's integrated M.2 shields.

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