Description: If you are puzzled about that your laptop is not running fast enough, caused by poor memory. This is a high speed DRR3 memory ram, which provides better performance and less consumption, so that you can work efficiently on your computer. Features: Suitable for PC3-12800 DDR3 1600 memory computer. Built-in High quality chip, allows stable performance and high speed running. 1600MHz high memory speed, improves the speed of the computer and brings convenience to your life. 4G large capacity provides powerful performance and storage space for daily reading and writing. High-quality circuit module board, efficiently avoids from corrosion and abrasion, durable and portable to use. Specifications: Color: As the pictures show. Compatibility: For Intel/ AMD Memory Type: DDR3 Capacity: 4GB Memory Frequency: 1600MHz Voltage: 1.5V PINS: 240PIN Size: Approx. 134 x 19mm / 5.3 x 0.7in Package Weight: 19g 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: PC2100 DDR 266 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 computer, because it will damage the memory and motherboard. Package List: 1 x Memory Ram 1、Suitable for PC3-12800 DDR3 1600 memory computer. 2、Built-in High quality chip, allows stable performance and high speed running. 3、1600MHz high memory speed, improves the speed of the computer and brings convenience to your life. 4、4G large capacity provides powerful performance and storage space for daily reading and writing. 5、High-quality circuit module board, efficiently avoids from corrosion and abrasion, durable and portable to use.