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Black ATX motherboard with silver heatsinks and a boxed Ryzen 9 9950X3D processor beside it

MSI

MSI X870 GAMING PLUS WIFI AMD motherboard & Ryzen 9 9950X3D CPU combo

SKU CH-MMZY-NFZGK

AM5 combo pairs a 16-core 9950X3D with an X870 board that delivers 60A SPS VRM, DDR5 up to 8200 MT/s, PCIe 5.0 graphics, Gen5 M.2, Wi-Fi 7 and 5G LAN

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

+CPU R9 9950X3D

  • Ready for next-gen CPUs with AM5 socket and X870 chipset
  • 128 MB L3 cache on Ryzen 9 9950X3D speeds up gaming workloads
  • DDR5 memory scales to 8200 MT/s overclocked on four slots
  • PCIe 5.0 x16 slot plus Gen 5 M.2 for fastest GPU and storage
  • 5G LAN and Wi-Fi 7 give high-speed wired and wireless networking

Combo for high-end AM5 builds

This bundle pairs the MSI X870 GAMING PLUS WIFI motherboard with the AMD Ryzen 9 9950X3D processor. The board uses the AMD X870 chipset and an AM5 socket. It supports Ryzen 9000, 8000 and 7000 series CPUs. Four DDR5 slots accept up to 256GB of memory in dual-channel configuration.

Thermals and power delivery

A 14+2+1 Duet Rail power system with dual 8-pin CPU connectors feeds the 170W CPU. Extended heatsinks and MOSFET thermal pads rated for 7W/mK cover the VRM. Additional choke pads and the EZ M.2 Shield Frozr II cool the primary M.2 slot. The Realtek ALC897 codec drives 7.1 channel audio.

Sustained load behaviour

Under continuous workloads the VRM heatsink array and choke pads maintain stable temperatures for the 60A SPS stages. The primary M.2_1 slot runs at PCIe 5.0 x4 from the CPU while M.2_2 and M.2_3 operate at PCIe 4.0 x4 from the chipset. Wi-Fi 7 and Realtek 8126VB 5G LAN provide high-throughput networking without throttling.

Highlights

  • Ready for next-gen CPUs with AM5 socket and X870 chipset
  • 128 MB L3 cache on Ryzen 9 9950X3D speeds up gaming workloads
  • DDR5 memory scales to 8200 MT/s overclocked on four slots
  • PCIe 5.0 x16 slot plus Gen 5 M.2 for fastest GPU and storage
  • 5G LAN and Wi-Fi 7 give high-speed wired and wireless networking

Specifications

BrandMSI
ModelX870 GAMING PLUS WIFI +R9 9950X3D
CPU Socket TypeAM5
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
Memory FeatureMemory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen 9000 Series Processors max. overclocking frequency:
- 1DPC 1R Max speed up to 8200+ 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 overclocking available after boot. Certain CPU
PCI Express 5.0 x16PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI Express x4PCI_E4 Gen PCIe 4.0 supports up to x4 (From Chipset)
PCI Express x1PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)
Other SlotsPCI_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_E4 slot will run at x2 speed when installing M.2 SSD in the M2_3 slot.
Serial ATA (SATA)4 x SATA 6Gb/s
M.23x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4, supports 2280/2260 devices
M.2_2 Source (From Chipset) supports up to PCIe 4.0 x4, supports 22110/2280 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2, supports 2280/2260 devices
M2_1 slot
- 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)
*Please refer to the manual for M.2 SSD heatsink restrictions.
SATA RAIDSupports RAID 0 and RAID 1 for M.2 NVMe storage devices
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek 8126VB 5G LAN
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x Clear CMOS Button
2 x USB 5Gbps Type-A
2 x USB 10Gbps Type-A
4 x USB 2.0
1 x 5G LAN
2 x Wi-Fi / Bluetooth
3 x Audio connectors
1 x Flash BIOS Button
1 x HDMI
1 x USB 40Gbps Type-C
1 x USB 20Gbps Type-C
Onboard USB4 x USB 2.0 ports
2 x USB 5Gbps Type A ports
1 x USB 10Gbps 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_1)
2 x Front Panel (JFP)
1 x Chassis Intrusion (JCI)
1 x Front Audio (JAUD)
1 x Tuning Controller connector(JDASH)
3 x Addressable V2 RGB LED connector (JARGB_V2)
1 x RGB LED connector(JRGB)
1 x TPM pin header(Support TPM 2.0)
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)
Windows 11Support for Windows 11 64-bit

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Questions about this item

How do I install the Ryzen 9 9950X3D into the AM5 socket and which step do builders often miss?

Align the gold triangle on the CPU with the socket marker, lower the retention arm gently, then connect both 8-pin CPU power cables — the second connector is frequently forgotten but required for the 14+2+1 Duet Rail Power System.

What maintenance or replacement will the motherboard need later?

The MOSFET thermal pads rated for 7W/mK and choke pads under the extended heatsink can degrade after years of sustained load; plan to replace them if VRM temperatures rise noticeably.

What limit appears first when the Ryzen 9 9950X3D runs sustained workloads?

The 170 W TDP of the Zen 5 CPU will hit the 14+2+1 power stage thermal ceiling before the 60 A SPS VRM current limit, so cooling capacity becomes the binding constraint.

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