Total Capacity:2GBSpeed: DDR2 1066MHzer of Pins: 240 pinsType: Memory RamVoltage: DDR2 1.8VPins of Memory RAMSDDR for Desktop=184 pinsDDR for Laptop=200 pinsDDR2 for Desktop=240 pinsDDR2 for Laptop=200 pinsDDR3 for Desktop=240 pinsDDR3 for Laptop=204 pinsRead FirstThe Recognition of XP is around 3GBThe Recognition of Win 7 32Bit is around 2.26-4.5GBThe Recognition of Win 7 32Bit is around 8-16GBBefore purchasing, please confirm which model is suitable for your Desktop or Laptop, usual models are as bellow:PC2 4200 = DDR2 533MHZPC2 5300 = DDR2 667MHZ (Compale with DDR2 533MHZ)PC2 6400 = DDR2 800MHZ (Compale with DDR2 667MHZ, DDR2 533MHZ)PC2 8500 = DDR2 1066MHZColour:GoldandgreenMaterial:PCBSize:Length: 13.3cmPackage Contents:3 x DDR2 RAM Memory(Actual Items manufactor or Batch er may vary)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." Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.