DDR3 2GB 1600MHz (PC3 12800) 204-pin 1.5V Desktop Memory Compatible INTEL AMD UK The product is shipped based on the color or size of the main image of the product page. 100% ed and compliant with standards Product information: city :2 GB Memory Speed: 1600 MHz Number of Pins: 204 Voltage: 1.5V Size: 68*30 mm/ 2.68 *1.18 in Compatible with AMD and intel series DDR3 m boards. Package includes: 1 x Laptop Memory If the memory appears: screen, crash, restart, and the alarm keeps beeping, please operate according to the following methods one by one, if not, it is determined that it is not compatible. The memory is not inserted well, or the gold finger is oxidized. Use an eraser to remove the memory finger and then reinsert it, or change the slot; The memory slot is dusty or oxidized. Use a brush and wash water to clean it (if you don't have wash water, just brush it down) The memory is not compatible, try an memory. CMOS is not discharged to restore the factory settings, maybe it is normal (the m board is removed, and then put it back). The m board is not compatible with the CPU, try changing the CPU.