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MSI X870 motherboard with Ryzen 9 9900X3D CPU, black PCB, silver heatsinks, four DDR5 slots, three M.2 shields

MSI

MSI X870 GAMING PLUS WIFI + Ryzen 9 9900X3D AMD motherboard combo

SKU CH-J4JM-0X4XQ

Socket AM5 motherboard and 12-core Ryzen 9 9900X3D bundle with DDR5 to 8200 MT/s, PCIe 5.0 graphics slot, 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 9900X3D

  • AM5 socket supports Ryzen 9000 series processors including the 9900X3D
  • 14+2+1 Duet Rail power system with dual 8-pin CPU connectors
  • DDR5 memory overclocking up to 8200+ MT/s on four 288-pin slots
  • PCIe 5.0 x16 graphics slot plus Gen5 M.2 from CPU and Gen4 M.2 from chipset
  • Realtek 8126VB 5G LAN and Wi-Fi 7 with USB4 for fast connectivity

Combo for AM5 builds

This motherboard and CPU pair targets AM5 platform builders who want a ready-matched foundation. The MSI X870 GAMING PLUS WIFI board arrives paired with a Ryzen 9 9900X3D processor so socket compatibility is guaranteed out of the box. The combination suits gaming rigs and workstations that need high core counts and large cache.

Build integration and headroom

The board delivers a 14+2+1 Duet Rail power system fed by dual 8-pin CPU connectors and a 60A SPS VRM design on an 8-layer PCB with 2oz copper. Four DDR5 slots support up to 256GB at 8200 MT/s when overclocked, while a PCIe 5.0 x16 slot and three M.2 sockets — one Gen5 from the CPU and two Gen4 from the chipset — provide expansion lanes for graphics and storage. Wi-Fi 7 and 5G LAN handle networking without extra cards.

Sustained-load behaviour

Extended heatsinks, 7W/mK MOSFET pads and additional choke pads work with the EZ M.2 Shield Frozr II to move heat away from the VRM and the primary M.2 slot during long sessions. The 120W Zen 5 CPU with 128MB L3 cache maintains clocks under load while the 8-layer server-grade PCB helps distribute thermals evenly across the board. Realtek ALC897 7.1 audio and USB4 complete the feature set for extended use.

Fordele

  • AM5 socket supports Ryzen 9000 series processors including the 9900X3D
  • 14+2+1 Duet Rail power system with dual 8-pin CPU connectors
  • DDR5 memory overclocking up to 8200+ MT/s on four 288-pin slots
  • PCIe 5.0 x16 graphics slot plus Gen5 M.2 from CPU and Gen4 M.2 from chipset
  • Realtek 8126VB 5G LAN and Wi-Fi 7 with USB4 for fast connectivity

Specifikationer

BrandMSI
ModelX870 GAMING PLUS WIFI +R9 9900X3D
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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Spørgsmål om denne vare

Will the board fit a standard ATX case and clear tall DDR5 modules?

The board uses the ATX form factor with four 288-pin DDR5 slots; the extended heatsink and MOSFET pads rated for 7W/mK keep the VRM area clear for most air coolers and standard-height memory.

What CPU power connectors are required for the included Ryzen 9 9900X3D?

The motherboard provides dual 8-pin CPU power connectors fed by a 14+2+1 Duet Rail power system rated at 60A SPS, matching the processor's 120W base power draw.

Which M.2 slot should I use for a Gen5 NVMe drive and are heatsinks included?

M.2_1 is wired to the CPU and supports PCIe 5.0 x4 for 2280/2260 drives; the EZ M.2 Shield Frozr II covers that slot, while M.2_2 and M.2_3 run at PCIe 4.0 x4 from the chipset.

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