Each memory through the various types of manual testing, make the product can used in different application environments,be able to provide users with both high-performance and high stability of the computer experience.Whether it is general user, gamers, or computer enthusiasts, can feel memory bring the performance improvement for computer.Capacity: 4GBFrequency: 1333MHzWorking voltage: 1.5V,1333=CL9 1600=CL11color: blueMaterial: PCBMemory Channel: ChannelNumber of pins: 240PinHard disk/flash memory vendors are using decimal arithmetic: 1MB=1000KB, 1G=1000MB calculated, but the operating system is using binary arithmetic: 1MB=1024KB, 1GB=1024MB.So there are some differences between display capacity and nominal capacity of hard disk/flash memory products.Please note: Different batches, product appearance and color may be different, does not affect the usePackage Contents:1 x RAMOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.