Please note:Only For .Memory chip:16 ICType: DDR3 LaptopFunction: NonECCMemory Socket: SodimmFrequency:PC3 128001600MhzNumber of Pins: 204pinsCapacity:4GBVoltage:1.5VUnbuffered, NonECC, & NonRegisteredDDR3 1066= PC38500DDR3 1333= PC310600DDR3 1600= PC312800Pins of Memory RamDDR for Desktop =184 pinsDDR for Laptop =200 pinsDDR2 for Desktop =240 pinsDDR2 for Laptop =200 pinsDDR3 for Desktop =240 pinsDDR3 for Laptop =204 pinsDue to different batches, the appearance, color and printed words of the product , which will not affect the use.Colour: random color , don't accept the specified colorMaterial:PCBPackage Contents:1 x RAMOnly the above package content, other products are not included.Note: Light reflection 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 + 13cm.