Description:Ifyou are puzzled about that your laptop is not running fast enough, caused bypoor memory. This is a high speed DRR3 memory ram, which provides betterperformance and less consumption, so that you can work efficiently on your computer.Features:Suitablefor PC3-12800 DDR3 1600 memory computer.Built-inHigh quality chip, allows stable performance and high speed running.1600MHzhigh memory speed, improves the speed of the computer and brings convenience toyour life.4Glarge capacity provides powerful performance and storage space for dailyreading and writing.High-qualitycircuit module board, efficiently avoids from corrosion and abrasion, durableand portable to use.Specifications:Color:As the pictures show.Compatibility:For Intel/ AMDMemoryType: DDR3Capacity:4GBMemoryFrequency: 1600MHzVoltage:1.5VPINS:240PINSize:Approx. 134 x 19mm / 5.3 x 0.7inPackageWeight: 19gAboutmemory:Memoryram is divided into SD, DDR, DDR2, DDR3, please refer to the following list toknow what memory your computer needs and what memory you should buy:PC2100DDR266PC2700DDR333PC3200DDR400PC4200DDR2533PC4300DDR2533PC5300DDR2667PC6400DDR2800PC8500DDR31066PC10700DDR31333PC12800DDR31600Note:Please DO NOT force to install if the memory ram is not suitable to your computer,because it will damage the memory and motherboard.PackageList:1 xMemory Ram