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ATX motherboard dark PCB silver heatsinks sTRX4 socket four PCIe slots dual LAN ports

MSI

MSI TRX40 PRO 10G AMD TRX40 sTRX4 DDR4 256GB motherboard

SKU CH-AE0M-025WX

Socket sTRX4 ATX board for 3rd Gen Ryzen Threadripper CPUs with AMD TRX40 chipset, dual-channel DDR4 up to 256GB, four PCIe 4.0 x16 slots, dual Intel I211AT Gigabit LAN and 7.1-channel Realtek audio

  • Processor3rd Gen AMD Ryzen™ Threadripper™ Desktop Processors
  • ChipsetAMD TRX40
  • CPU socketSocket sTRX4
  • Supported memorySupport dual-channel DDR4 2133/2400/2666/3200 MHz memory
  • Max supported RAM256 GB
  • 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
  • Four PCIe 4.0 x16 slots for multi-GPU expansion
  • Dual Intel I211AT Gigabit LAN for redundant networking
  • Dual-channel DDR4 up to 3200 MHz with 256 GB capacity
  • 1-channel audio using Realtek ALC1220 and ALC4050H codecs

Socket sTRX4 Threadripper platform

The MSI TRX40 PRO 10G motherboard pairs the AMD TRX40 chipset with an sTRX4 socket for 3rd Gen AMD Ryzen Threadripper desktop processors. It targets workstation builders who need up to 256GB of dual-channel DDR4 memory across eight slots and four PCIe 4.0 x16 slots that can run in x16/x8/x16/x8 configuration. Onboard 10 Gigabit LAN and 7.1-channel audio complete the feature set.

Memory slots and clearance and power phases

Verify that your chassis can accommodate an ATX board and that the CPU cooler mounting pattern matches the sTRX4 socket. Confirm the power supply provides the required EPS connectors for the board's 16-phase CPU power design. Ensure DDR4 modules are rated for 2133, 2400, 2666 or 3200MHz and that total capacity does not exceed 256GB. Check that any add-in cards fit the PCIe 4.0 x16 and PCIe 3.0 x1 slot layout.

Aluminium heatsinks and fan headers

Extended aluminium heatsinks cover the VRM and chipset areas to dissipate heat from the 16-phase power delivery during sustained multi-core workloads. Multiple 4-pin fan headers allow curve-controlled airflow across the board. The dual Intel I211AT Gigabit LAN controllers and Realtek ALC1220/ALC4050H audio codecs operate within typical thermal limits without active cooling. Power draw scales with the installed Threadripper CPU and memory population.

How it compares

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

Price $346.99
Pricier than about 60% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI TRX40 PRO 10G
Model nameMSI TRX40 PRO 10G
Processor
Processor3rd Gen AMD Ryzen™ Threadripper™ Desktop Processors
CPU socketSocket sTRX4
ChipsetAMD TRX40
Memory
Supported memorySupport dual-channel DDR4 2133/2400/2666/3200 MHz memory
Max supported RAM256 GB
Storage
SATA and RAID support2XM.2 interface, 6xSATA III interface
Audio & video
Audio chip1 x Realtek ALC1220 Codec
7.1-Channel High Definition Audio
1 x Realtek ALC4050H Codec
Supports front & rear panel Mic-in
Supports S/PDIF output
Connectivity
Ethernet controller2 x Intel I211AT Gigabit LAN controller
Ports & slots
PCI slots4 x PCIe 4.0 x16 slots (support x16/x8/x16/x8 mode)
1 x PCIe 3.0 x1 slot

Questions about this item

What comes in the box and which essentials like CPU or memory must be purchased separately?

The box contains the motherboard, a CMOS battery, one SATA cable and the rear I/O shield. A compatible Threadripper processor, DDR4 memory modules, storage drives and a power supply are not included and must be bought separately.

How do I decide which DDR4 speed to populate the board with?

The board supports dual-channel DDR4 at 2133, 2400, 2666 and 3200 MHz up to 256 GB total. Choose the highest speed your budget allows for best throughput, or match the rated speed of your CPU's memory controller for guaranteed stability.

What does the 10G label mean for real-world network throughput?

The 10G designation refers to two USB 3.2 Gen2 ports (one Type-A, one Type-C) that run at 10 Gbps each. Wired networking is handled by dual Intel I211AT controllers providing standard 1 GbE connections.

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