Each memory through the types of manual testing, make the product can used in different application environments,be to users with both high-performance and high stability of the computer experience. Whether it is general , gamers, or computer enthusiasts, can feel TAISU memory bring the performance improvement for computer /flash memory vendors are using decimal arithmetic: 1MB=1000KB, 1G=1000MB , the is using binary arithmetic: 1MB=1024KB, 1GB=1024MB. So there are some differences between display capacity and nominal capacity of /flash memory . However, this is allowed to exist. do not doubt his authenticity. Capacity: 4G Frequency: 4G-1600MHz Working voltage: 1.35V(4GB) Memory Channel: Dual Channel Latency:CL11 Sequence: PC3 8500 = DDR3 1066MHZ 7 PC3 10600 10700= DDR3 1333MHZ 9 PC3 12800 = DDR3 1600MHZ 11 Pins of Memory RAMS DDR3 for Desktop=240 pins DDR3 for Laptop=204 pins Size: 6.8*3cm colour:green Material:PCB Package Contents: 1 * Memory RAM Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.