Professional DDR4 memory tester designed specifically for desktop computer DDR4 memory modules to quickly identify RAM issues. Ideal for PC builders and technicians, this DDR4 test card plugs directly into the desktop motherboard DIMM slot to verify memory compatibility. Detects faulty modules without needing a fully bootable system, ensuring system stability and performance during assembly, repair, or upgrade. Clear LED indicator display shows the working status of each memory channel and power state, allowing easy judgment of DDR4 memory functionality. Easy to use, plug-and-play design requires no complicated setup or software; simply insert the tester card into the memory slot and power on the desktop. This desktop motherboard diagnostic tool helps quickly identify RAM issues, ensuring system stability and performance during assembly, repair, or upgrade. Equipped with multiple LED indicators that visually show the working status of each memory channel and power state, allowing you to easily judge whether the DDR4 memory is functioning correctly or has failed. Color: Green Material: plastic Package Contents: 1*Memory Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.