Actual Items manufacturer or Batch Number may vary Full Tested Before Shipping Total Capacity: 2GB Speed: DDR2 800MHz Number of Pins: 240 pins Type: Memory RAM Voltage: DDR2 1.8V DDR for Desktop = 184 pins DDR for Laptop = 200 pins DDR2 for Desktop = 240 pins DDR2 for Laptop = 200 pins DDR3 for Desktop = 240 pins DDR3 for Laptop = 204 pins Read First The Recognition of XP is around 3GB The Recognition of Win 7 32Bit is around 2.26-4.5GB The Recognition of Win 7 64Bit is around 8-16GB Before purchasing RAMs, please confirm which model is suitable for your Desktop/Laptop, usual models are as below: PC2 4200 = DDR2 533MHz PC2 5300 = DDR2 667MHz (Compatible with DDR2 533MHz) PC2 6400 = DDR2 800MHz (Compatible with DDR2 667MHz, DDR2 533MHz) PC2 8500 = DDR2 1066MHz Color: Green Material: PCB Size: Length 13.3cm Package Contents: 3 x DDR2 RAM Memory 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