Model: DDR2 SODIMM Capacity: 2GB Frequency: 667MHz Working Voltage: 1.8V Function: DDR2 200PIN Scope of Application: Laptop Memory RAM Pins: 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 Please Note: - The maximum recognized memory on Windows XP is approximately 3GB - The maximum recognized memory on Windows 7 32-bit is approximately 2.264.5GB - The maximum recognized memory on Windows 7 64-bit is approximately 816GB Before purchasing memory, please confirm the compatible model for your desktop or laptop. Common designations include: - PC2 4200 = DDR2 533MHz - PC2 5300 = DDR2 667MHz (Compatible with DDR2 533MHz) - PC2 6400 = DDR2 800MHz (Compatible with DDR2 667MHz and DDR2 533MHz) - PC2 8500 = DDR2 1066MHz Color: Green Material: PCB Dimensions: 7 x 3 cm Package Contents: 2 x Memory Modules Note: - Products from different batches may vary slightly in appearance; color may be random and cannot be specified, but this does not affect functionality - The package includes only the items listed above; other accessories are not included - Due to lighting and display differences, the actual color may vary slightly from the image - Size measurements may have an allowable error of +/- 13 cm