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Rectangular ATX motherboard, black PCB with silver heatsinks and I/O shield

MSI

MSI TRX40 PRO WIFI AMD motherboard

SKU CH-X322-EFGFF

Socket sTRX4 board for 3rd Gen AMD Ryzen Threadripper CPUs with dual-channel DDR4 up to 256GB, four PCIe 4.0 x16 slots, eight SATA ports, dual Intel Gigabit LAN, and Realtek ALC1220 7.1 audio

  • CPU Socket TypeSocket sTRX4
  • CPU Type3rd Gen AMD Ryzen™ Threadripper™ Desktop Processors
  • ChipsetAMD TRX40
  • Memory StandardSupport dual-channel DDR4 2133/2400/2666/3200MHz memory
  • Maximum Memory Supported256GB
  • PCI Slots4 x PCIe 4.0 x16 slots (support x16/x8/x16/x8 mode) 1 x PCIe
  • Supports 3rd Gen Ryzen Threadripper CPUs via Socket sTRX4
  • Up to 256GB dual-channel DDR4 memory at 3200MHz
  • Four PCIe 4.0 x16 slots for multi-GPU or expansion
  • Dual Intel I211AT Gigabit LAN controllers for reliable networking
  • Realtek ALC1220 codec delivers 7.1-channel high-definition audio

Socket sTRX4 Platform

This MSI TRX40 PRO WIFI motherboard accepts 3rd Gen AMD Ryzen Threadripper desktop processors. The ATX board provides dual-channel DDR4 support up to 256 GB at speeds of 2133, 2400, 2666 or 3200 MHz. Four PCIe 4.0 x16 slots and one PCIe 3.0 x1 slot handle multi-GPU and add-in cards. Dual Intel I211AT gigabit LAN and Realtek ALC1220 7.1 audio are integrated.

Workstation Builders and Multi-GPU Users

The board suits creators, engineers and researchers who need high core counts, large memory capacity and several full-length expansion slots. Dual gigabit LAN helps with segregated networks or link aggregation. Builders who only need mainstream core counts, smaller form factors or a single graphics card should consider standard desktop platforms instead.

256 GB DDR4 Maximum Memory

The chipset and memory controller cap system memory at 256 GB across eight DIMM slots. If your workloads demand more than 256 GB you will need a different platform. This limit is the primary factor when deciding whether this motherboard fits your configuration.

Highlights

  • Supports 3rd Gen Ryzen Threadripper CPUs via Socket sTRX4
  • Up to 256GB dual-channel DDR4 memory at 3200MHz
  • Four PCIe 4.0 x16 slots for multi-GPU or expansion
  • Dual Intel I211AT Gigabit LAN controllers for reliable networking
  • Realtek ALC1220 codec delivers 7.1-channel high-definition audio

Specifications

BrandMSI
SeriesMSI TRX40 PRO WIFI
ModelMSI TRX40 PRO WIFI
CPU Socket TypeSocket sTRX4
CPU Type3rd Gen AMD Ryzen™ Threadripper™ Desktop Processors
ChipsetAMD TRX40
Memory StandardSupport dual-channel DDR4 2133/2400/2666/3200MHz memory
Maximum Memory Supported256GB
PCI Slots4 x PCIe 4.0 x16 slots (support x16/x8/x16/x8 mode)
1 x PCIe 3.0 x1 slot
SATA RAID2XM.2 interface, 8xSATA III interface
Audio ChipsetRealtek ALC1220 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
LAN Chipset2 x Intel I211AT Gigabit LAN controller
Onboard USBAMD TRX40 Chipset
2 x USB 3.2 Gen2 (SuperSpeed USB 10Gbps) ports (1 Type-A port on the back panel and 1 Type-C port through the internal USB connector)
6 x USB 3.2 Gen1 (SuperSpeed USB) ports (2 Type-A ports on the back panel, 4 ports available through the internal USB 3.2 Gen1 connectors)
4 x USB 2.0 (High-speed USB) ports available through the internal USB 2.0 connectors
AMD Processor
2 x USB 3.2 Gen2 (SuperSpeed USB 10Gbps) Type-A ports on the back panel
2 x USB 3.2 Gen1 (SuperSpeed USB) Type-A ports on the back panel
ASMedia ASM3242 Chipset
1 x USB 3.2 Gen2x2 (SuperSpeed USB 20Gb

Questions about this item

How loud and hot does the TRX40 PRO WIFI get when running a Threadripper CPU all day?

The board uses an extended heatsink design with heatpipe and MOSFET thermal pads to manage VRM temperatures under sustained Threadripper workloads, while fan headers support PWM and DC modes for quiet, speed-controlled cooling.

What DDR4 memory must I already own to populate the TRX40 PRO WIFI quad-channel slots?

You need DDR4 modules rated for 2133, 2400, 2666 or 3200 MHz; the board supports up to 256 GB across eight slots in quad-channel mode.

Will my existing PCIe 3.0 expansion cards work in the TRX40 PRO WIFI slots?

The board provides four PCIe 4.0 x16 slots that auto-negotiate to x16/x8/x16/x8 and one PCIe 3.0 x1 slot, so older 3.0 cards run at their native speed without adapters.

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