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Black ATX motherboard with silver heatsinks and CPU in socket, boxed combo

MSI

MSI MAG X870 TOMAHAWK WIFI AMD motherboard with Ryzen 7 9800X3D CPU Combo

SKU CH-E7RZ-7ZFN8

A motherboard and CPU bundle pairing an X870 chipset board with a Ryzen 7 9800X3D processor, offering DDR5 memory support up to 8400 MT/s, PCIe 5.0 graphics and storage slots, four M.2 connectors.

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

CPU +R7 9800X3D

  • Ready-to-build combo with Ryzen 7 9800X3D CPU included
  • 80A SPS VRM and extended heatsink keep high-end CPU at full speed
  • DDR5 memory boost to 8400 MT/s across four slots up to 256GB
  • PCIe 5.0 x16 graphics slot plus four M.2 connectors up to 2280/110
  • Wi-Fi 7 with 320MHz channel and 5G LAN for low-latency networking

Combo foundation

This combo pairs the MSI MAG X870 TOMAHAWK WIFI motherboard with the AMD Ryzen 7 9800X3D processor on the AM5 platform. It targets gamers and creators who want a ready-matched CPU and board without separate compatibility checks. The X870 chipset unlocks PCIe 5.0 lanes from the CPU for graphics and primary storage. Dual-channel DDR5 support reaches 256 GB across four slots.

Upgrade threshold

The package replaces an older AM4 or early AM5 system when workloads demand PCIe 5.0 x16 bandwidth and DDR5 speeds up to 8400 MT/s. The jump is worth it if current storage or memory limits frame rates or compile times. Four M.2 connectors — two CPU-attached Gen5 slots for 2280/110 drives and one chipset Gen4 slot — remove the need for add-in cards. 5 Gbps LAN and Wi‑Fi 7 with a 320 MHz channel raise network ceilings.

Sustained behaviour

An 80 A SPS VRM and extended PWM heatsink keep the 9800X3D at full boost during long rendering or gaming sessions. The board’s enhanced circuit design spreads heat evenly across the power phase array. USB 4 at 40 Gbps maintains throughput for external NVMe enclosures without thermal throttling. EZ PCIe Release simplifies repeated GPU swaps for testing or service.

Highlights

  • Ready-to-build combo with Ryzen 7 9800X3D CPU included
  • 80A SPS VRM and extended heatsink keep high-end CPU at full speed
  • DDR5 memory boost to 8400 MT/s across four slots up to 256GB
  • PCIe 5.0 x16 graphics slot plus four M.2 connectors up to 2280/110
  • Wi-Fi 7 with 320MHz channel and 5G LAN for low-latency networking

Specifications

BrandMSI
ModelMAG X870 TOMAHAWK WIFI+R7 9800X3D
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

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Questions about this item

What case clearance and power connectors does the 80A SPS VRM and extended heatsink on this MAG X870 TOMAHAWK WIFI require?

The board uses a standard ATX form factor with an 80A SPS VRM cooled by an extended PWM heatsink; it needs a case that fits ATX motherboards and an 8-pin plus 4-pin CPU power connector for the VRM.

How do I use the EZ PCIe Release button when installing a graphics card in the PCIe 5.0 x16 slot, and what step do people miss?

Press the EZ PCIe Release button to unlock the PCI_E1 slot retention latch before inserting the card, then press it again after the card clicks in to ensure the latch re-engages; the missed step is relocking the latch.

Which M.2 slots support Gen5 speeds and what drive lengths fit each slot for future upgrades?

M2_1 and M2_2 run from the CPU at PCIe 5.0 x4; M2_1 accepts 2280 and 22110 drives, M2_2 accepts 2260 and 2280 drives, while M2_3 runs from the chipset at PCIe 4.0 speeds.

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