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 System Memory Recognition: Windows XP: Up to approximately 3GB Windows 7 32-bit: Approximately 2.264.5GB Windows 7 64-bit: Approximately 816GB Before purchasing, please confirm compatibility with your laptop. Common models: 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 Note: Product color may vary slightly between production batches. This does not affect performance. Color: Blue Material: PCB Dimensions: 7 x 3 cm Package Contents: 1 x Memory RAM Module Note: Other items not included. Lighting and display settings may cause slight color variations between the image and actual product. Measurement tolerance: +/- 13 cm.