.Please note: this memory is just for AMD motherboard, it does not fit motherboard or ECC Server .Model Desktop DDR3 4GB 1333MHz.1333 MHz can be compatible with DDR 3 1066 MHzMemory chip:16ICType: DDR3 DIMMMemory Channel: Dual ChannelMemory Socket: Long--DIMMFrequency:1333MHzNumber of Pins: 240pinCapacity:4GBVoltage:1.5VHigh compatibility: Suitable for A6 6300 A8 7500 7600 7650 and other FM1, FM2, FM2+ and other motherboardsTips:1066MHz =CL71333MHz =CL91600MHz=CL11DDR3 1066= PC3-8500DDR3 1333= PC3-10600DDR3 1600= PC3-12800Pins 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 pinscolour:GreenMaterial:PCBsize: 13.3 x 3cmPackage Contents:1 x DDR3 4GB Ram MemoryOnly 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.