Function: Unbuffered, Non-ECC, Non-RegisteredTested works perfectly before shipping.Please note: this memory is just for AMD motherboard, it does not fit Intel motherboard or ECC Server .Model Desktop DDR3 4GB 1600MHz.1600 MHz can be compatible with DDR 3 1333 MHz / 1066 MHzMemory chip:16ICColor: greenMaterial: PCBType: DDR3 DIMMFrequency:1600MHzNumber of Pins: 240pinCapacity:4GBVoltage:1.5V1600MHz=CL11DDR3 1600= PC3-12800The appearance and color of different batches of products may be different, which will not affect the useCoding style on product is random, Do not accept designationPackage Contents:1 x RAM2 x Cooling Vest(Random colors and appearances Do not accept designation)2 x Sticker(Random colors and appearances Do not accept designation)Only 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.