Welcome to our store! 1. Broad Compatibility: This DDR5 memory tester is suitable for INTEL, AMD, and all motherboards with a DDR5 interface. 2. Luminous Diode: This desktop memory tester uses luminous diodes to indicate open and short circuits in the data line and address line. 3. Motherboard Repair: This DDR5 memory slot tester is used to repair motherboards that won't power on, display, or read memory. 4. Please Note: When the DDR5 tester is testing the motherboard, the motherboard must be connected to the CPU, and the test light will illuminate, as the signals from the memory section are connected to the CPU. 5. Helpful Tip: Desktop DDR5 currently has two interface types on the market. If one side cannot be inserted into the memory slot for testing, switch to the other side for testing. Item Type: DDR5 Memory Tester Material: Printed Circuit Board Battery Type: CR2032 Button Battery (Battery not included) Applicable: Suitable for INTEL, AMD, and all motherboards with a DDR5 interface. 1 x DDR5 Memory Tester Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.