ITEM NAME:DDR3 2G 1066 MHz 4G 1066 MHz PC3-8500 So DIMM Ram 4 GB for Notebook memory E4M1 DDR3 2G 1066 MHz 4G 1066 MHz PC3-8500 So DIMM Ram 4 GB for Notebook memory E4M1 Type: DDR3 Memory Frequency: 1066 MHz Interface Type: 204pin Combination Form: Single Application: Laptop Tips: 1.This memory can be compatible with both INTEL and for AMD motherboards. 2.Factory full tested with stable quality Material:PCB colour:Random color, don't accept the specified color Package Contents: 1 * memory module.Type: DDR3. Application: Laptop. Combination Form: Single.