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ATX motherboard with silver heatsinks and Ryzen 9 9900X3D CPU installed

MSI

MSI MPG X870E EDGE TI WIFI + Ryzen 9 9900X3D AMD motherboard combo

SKU CH-JAT3-7AJMN

AM5 motherboard and Ryzen 9 9900X3D CPU combo with DDR5 up to 8400 MT/s, PCIe 5.0, four M.2 slots, 5G LAN and Wi-Fi 7

  • CPU Socket TypeAM5
  • CPU TypeSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processo
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory Standard4x DDR5 UDIMM, Maximum Memory Capacity 256GB Memory Support
  • Maximum Memory Supported256GB

CPU +Ryzen 9 9900X3D

  • Ready for next-gen Ryzen on AM5 socket
  • 256GB DDR5 capacity with speeds up to 8400 MT/s
  • PCIe 5.0 graphics slot and four M.2 drives up to 22110
  • 5G LAN plus Wi-Fi 7 320MHz channel for fast networking
  • 128MB L3 cache Zen 5 CPU with Radeon graphics included

Ready AMD platform

This motherboard and CPU bundle pairs an MSI MPG X870E EDGE TI WIFI board with a Ryzen 9 9900X3D processor. The AM5 socket supports Ryzen 9000, 8000 and 7000 series chips so the system can grow with future upgrades. It targets enthusiasts who want a high‑core‑count CPU and a feature‑rich board in one purchase. The combination delivers a complete foundation for gaming and content creation workloads.

Build and daily connections

Heavy plated MOSFET heatsinks linked by a heat‑pipe and 7W/mK thermal pads cool the power delivery under sustained loads. Onboard M.2 Shield Frozr covers keep storage temperatures in check. EZ PCIe Release unlocks the graphics card with a single button press while EZ M.2 Shield Frozr II adds tool‑less SSD mounting. Rear I/O includes 5G LAN, Wi‑Fi 7 with a 320MHz channel, Realtek ALC4080 7.1‑channel audio and four SATA 6Gb/s ports for additional drives.

Deciding specification

The CPU brings 128MB of L3 cache and 12MB of L2 cache built on TSMC 4nm Zen 5 architecture with a 120W TDP. That cache capacity is the single figure that determines whether the processor matches latency‑sensitive gaming or compile workloads. If the workflow needs maximum on‑die cache this combo fits; if it does not, a lower‑cache alternative may be more appropriate.

Highlights

  • Ready for next-gen Ryzen on AM5 socket
  • 256GB DDR5 capacity with speeds up to 8400 MT/s
  • PCIe 5.0 graphics slot and four M.2 drives up to 22110
  • 5G LAN plus Wi-Fi 7 320MHz channel for fast networking
  • 128MB L3 cache Zen 5 CPU with Radeon graphics included

Specifications

BrandMSI
SeriesMPG X870E EDGE TI WIFI+R9 9900X3D
ModelMPG X870E EDGE TI WIFI+R9 9900X3D
Part NumberMPG X870E EDGE TI WIFI
CPU Socket TypeAM5
CPU TypeSupports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory Standard4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support DDR5 8400 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency:
• 1DPC 1R Max speed up to 8400+ 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 EXPOTM
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 manua
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI 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)
Serial ATA (SATA)4 x SATA 6Gb/s
M.24x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 22110/2280 devices
M.2_2 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
M.2_4 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G
M.2_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)
M.2_2 slot
• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
• The M2_2 slo
Audio ChannelsRealtek® ALC4080 Codec
7.1-Channel USB High-Performance Audio
Supports up to 32-Bit/384 kHz playback on front panel
Supports S/PDIF output
Max LAN Speed1x Realtek® 8126 5G LAN
Wireless LANWi-Fi 7
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be
Supports Bluetooth® 5.4**, MLO, 4KQAM
* 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2.
** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
BluetoothYes
Back I/O PortsClear CMOS Button
USB 10Gbps Type-A
USB 2.0
5G LAN
Wi-Fi / Bluetooth
Audio Connectors
Flash BIOS Button
HDMI™
USB 40Gbps Type-C
USB 10Gbps Type-A
USB 10Gbps Type-C
Optical S/PDIF Out
Other Connectors1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x Front Type-C Quick Charge Connector(PD_PWR1)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
6x System Fan
1x EZ Conn-header (JAF_2)
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
4x USB 5Gbps Type A ports
1x USB 20Gbps Type C ports
Form FactorATX
Dimensions (W x L)243.84mmx304.8mm
Windows 11Support for Windows® 11 64-bit
FeaturesSupports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
Supports DDR5 Memory, Dual Channel DDR5 8400+ MT/s (OC)
Ultra Performance: 14+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 8-layer PCB made by 2oz thickened copper and server-grade level material
Frozr Guard: Enlarged heatsink with heat-pipe, MOSFET thermal pads rated for 7W/mk, additional choke thermal pads and M.2 Shield Frozr are built for high performance system and non-stop gaming experience
EZ DIY: EZ PCIe Release, EZ M.2 Shield Frozr II, EZ M.2 Clip II and EZ Antenna
Ligh

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Questions about this item

What PCIe generation does the primary M.2 slot use and what bandwidth does it provide?

The M.2_1 slot runs at PCIe 5.0 x4 from the CPU, delivering up to 128GB/s of bandwidth for a 22110 or 2280 drive.

What are the physical dimensions of the board and which CPU cooler mounting pattern does it use?

The board follows the ATX form factor and uses the standard AM5 socket mounting holes for compatible coolers.

How do I install an M.2 SSD without tools, and what step is often missed?

Lift the EZ M.2 Shield Frozr II latch, slide the SSD into the keyed slot at a slight angle, press it flat, then snap the shield back down — the latch clicks when fully seated.

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