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Black ATX motherboard with grey heatsinks and ROG branding

ASUS

ASUS ROG STRIX TRX40-E GAMING AMD motherboard

SKU CH-4KSM-2Z2NR

ATX motherboard with AMD TRX40 chipset, sTRX4 socket and DDR4 support up to 256GB

  • CPU Socket TypeSocket sTRX4
  • ChipsetAMD TRX40
  • Maximum Memory Supported256GB
  • Socket sTRX4 enables high-core-count AMD CPUs
  • AMD TRX40 chipset provides workstation-grade platform features
  • DDR4 support up to 256GB for massive memory capacity
  • ATX form factor fits standard enthusiast cases
  • Includes I/O shield, SATA cable and CMOS battery for immediate build readiness

sTRX4 ATX motherboard

The ASUS ROG STRIX TRX40-E GAMING is an ATX motherboard using the AMD TRX40 chipset and Socket sTRX4. It supports DDR4 memory up to a maximum of 256GB. The board includes one SATA cable, a CMOS battery and an I/O back panel in the package.

High-capacity DDR4 builds

This board suits builders who need a Socket sTRX4 platform with 256GB DDR4 capacity and ATX form factor. It is not for buyers who require a different CPU socket type or a smaller board format. The included accessories cover basic installation only.

256GB DDR4 limit

The maximum supported memory is 256GB of DDR4, which determines whether this board fits the planned build. Buyers needing more memory capacity should look at a different platform. No other memory types are supported by this motherboard.

Highlights

  • Socket sTRX4 enables high-core-count AMD CPUs
  • AMD TRX40 chipset provides workstation-grade platform features
  • DDR4 support up to 256GB for massive memory capacity
  • ATX form factor fits standard enthusiast cases
  • Includes I/O shield, SATA cable and CMOS battery for immediate build readiness

Specifications

BrandASUS
SeriesASUS ROG STRIX TRX40-E GAMING
ModelASUS ROG STRIX TRX40-E GAMING
CPU Socket TypeSocket sTRX4
ChipsetAMD TRX40
Maximum Memory Supported256GB

Questions about this item

How do I confirm the ASUS ROG STRIX TRX40-E GAMING is working after installation?

Power on the system and verify the board completes POST, then enter the BIOS to confirm the CPU is detected on the sTRX4 socket and all installed DDR4 memory is recognised up to 256GB.

What is included in the box and what must be purchased separately?

The package supplies the motherboard, a CMOS battery, one SATA cable and the rear I/O back panel; a WiFi antenna is added only if the board has onboard WiFi. CPU, memory, storage and cooler are not included.

Which memory capacity should I choose for this TRX40 board?

The chipset supports DDR4 up to 256GB total; select a kit that matches your workload and stays within that limit.

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