Description: If you are puzzled about that your laptop is not running fast enough, caused by poor memory. This is a high speed DRR1 memory ram, which provides better performance and less consumption, so that you can work efficiently on your laptop. Specifications: Suitable Product: For Laptop Memory Type: DDR1 Capacity: 1GB Memory Frequency: 400MHz Voltage: 2.6V PINS: 200PIN Size: Approx. 68 x 32mm / 2.7 x 1.3in Package Weight: 16g About memory: Memory ram is divided into SD, DDR, DDR2, DDR3, please refer to the following list to know what memory your computer needs and what memory you should buy: PC2700 DDR 333 PC3200 DDR 400 PC4200 DDR2 533 PC4300 DDR2 533 PC5300 DDR2 667 PC6400 DDR2 800 PC8500 DDR3 1066 PC10700 DDR3 1333 PC12800 DDR3 1600 Note: Please DO NOT force to install if the memory ram is not suitable to your laptop, because it will damage the memory and motherboard. Package List: 1 x Memory Ram