Full Tested Before Shipping Model: DDR2 SODIMM Capacity: 2GB Frequency: 800MHz Working Voltage: 1.8V Function: DDR2 200-Pin Scope of Application: Laptop Memory RAM Pin Count: 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 Compatibility Notes: Windows XP supports up to approximately 3GB Windows 7 32-bit supports approximately 2.26–4.5GB Windows 7 64-bit supports approximately 8–16GB Before purchasing, please verify the compatible model for your laptop. Common models include: 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 Note: Product from different batches may vary slightly in appearance but will not affect performance. Color: Blue Material: PCB Dimensions: 7 x 3 cm Package Contents: 1 x Memory RAM Module Note: The package includes only the items listed above. Other accessories are not included. Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1–3 cm.