Welcome to our store! FOR MOTHERBOARD TESTING: This memory detection card supports INTEL and AMD motherboards with DDR5 interface and requires no external power supply. WITH LED INDICATORS: LEDs clearly indicate open circuits and short circuits on data and address lines for easy and convenient operation. MULTIPLE USES: An essential tool for repairing computer motherboards, detecting common issues like no boot, no display, and memory read errors. APPLICABLE SCENARIOS: Widely used for repairing motherboards that won't power on, and for pinpointing faults on similar motherboards. EXCELLENT PERFORMANCE: This motherboard diagnostic card is compact, easy to use, highly accurate, and offers stable and reliable performance with minimal interference. Item Type: Laptop Memory Tester Card Battery: 1 x CR2032 button battery (battery not included) Adaptation: Supports INTEL and AMD motherboards with DDR5 interface; LEDs indicate open circuits and short circuits on data and address lines. Applications: Used to repair motherboard failures such as no boot, no display, and no memory read. It is an essential tool for computer motherboard repair. Includes: 1 x Memory Tester Card Satisfaction Guarantee: Customer satisfaction is our top priority. If you encounter any issues with the product, please contact the seller immediately. We are committed to providing satisfactory customer service.