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ATX motherboard in black and silver with silver CPU cooler on top

MSI

MSI MAG X870E GAMING PLUS MAX WIFI AMD motherboard & Ryzen 9 9900X combo

SKU CH-JAWZ-JYJ7R

AM5 motherboard and 12-core Ryzen 9 9900X combo with DDR5 up to 8200 MT/s, PCIe 5.0 x16, triple M.2 slots, 5G LAN and Wi-Fi 7

  • ProcessorSupports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processor
  • ChipsetAMD X870E
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4x DDR5 UDIMM
  • Supported memoryMemory Support DDR5 8200–5600 (OC) MT/s / 5600–4800 (JEDEC)

CPU +Ryzen 9 9900X

  • Ready for future CPU upgrades with a 64MB BIOS
  • Maximum CPU performance unlocked by OC Engine clock generator
  • Graphics card swaps simplified with EZ PCIe Release button
  • Tool-less M.2 SSD installation using EZ M.2 Shield Frozr II
  • 12 cores and 24 threads handle heavy workloads

Combo for AM5 builds

This bundle pairs an MSI MAG X870E GAMING PLUS MAX WIFI motherboard with an AMD Ryzen 9 9900X processor. The CPU delivers 12 cores and 24 processing threads for heavy multitasking and content creation. The X870E chipset unlocks PCIe 5.0 connectivity for graphics and storage. The combination suits enthusiasts building a high-performance desktop on the AM5 platform.

Tool-free installation and 5G LAN

A 64 MB BIOS ROM provides headroom for future CPU compatibility. EZ PCIe Release lets you remove a graphics card with a single button press. EZ M.2 Shield Frozr II secures up to three drives in 2280 or 2260 form factors without tools. Extended PWM heatsinks keep power delivery stable. Onboard 5G LAN and Wi-Fi 7 with a 320 MHz channel enable 5.8 Gbps peak wireless throughput.

Check CPU cooler clearance and power

Verify that your chassis can accommodate the motherboard ATX footprint and chosen CPU cooler height. Ensure the power supply includes an 8-pin EPS connector for the 9900X and sufficient PCIe connectors for your graphics card. Confirm that DDR5 modules match the board's 256 GB maximum and dual-channel layout. Update the BIOS if you plan to use Ryzen 9000 series processors beyond the 9900X.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $762.99
Pricier than about 77% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Model nameMAG X870E GAMING PLUS MAX WIFI+R9 9900X
Part numberMAG X870E GAMING PLUS MAX WIFI+R9 9900X
Processor
ProcessorSupports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4x DDR5 UDIMM
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports4x SATA 6G
M.2 slots3 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4)
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 2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 22110/2280 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 4.0 x4 (For Ryzen 9000/ 8700/ 8600/ 8400/ 7000 Series processors)
M.2_3 slot (From CPU)
Supports up to
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 8126VB
Maximum network speed5 Gbit/s
Bluetooth supportYes
Ports & slots
PCIe 5.0 x16 slotsPCI_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)
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe 3.0 x16 slots0 x PCI Express 3.0 x16
PCIe x16 slots2 x PCI Express x16
PCIe x1 slots1 x PCI Express x1
Rear panel ports4 x USB 2.0
2 x USB 5 Gbit/s Type A
2 x USB 10 Gbit/s Type A
1 x USB 20 Gbit/s Type C
1 x USB 40 Gbit/s Type C
1 x HDMI
HDMI ports1 x HDMI
DisplayPort connectors1 x DisplayPort
Onboard USB headers1 x USB Type-C header, with USB 3.2 Gen 2 × 2 + 4 x USB 3.2 + 6 x USB 2.0
Size & build
Form factorATX
Width and length243.84 mm × 304.8 mm
Compatibility
Windows 11 supportSupported
More details
LightingNone RGB

Other versions of this model

5 more in the same range

Questions about this item

Will the Ryzen 9 9900X run at full speed with the board’s power delivery?

The extended PWM heatsink and enhanced circuit design are built so high-end processors run at full speed, and the OC Engine clock generator releases the maximum power of the CPU.

Can I install a PCIe 5.0 graphics card and a PCIe 5.0 M.2 SSD at the same time?

Yes, the primary PCIe 5.0 x16 slot and the CPU-sourced M.2_1 connector both operate at Gen 5.0 bandwidth simultaneously.

Is any tool needed to fit an M.2 drive under the heatsink?

The EZ M.2 Shield Frozr II uses a tool-less latch, so the SSD and shield can be installed or removed without a screwdriver.

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