4GB DDR2 SODIMM Laptop RAM 800MHz PC2-6400 200-Pin Memory Module Model: DDR2 SODIMM Capacity: 4GB Frequency: 800MHz (PC2-6400) Form Factor: SODIMM 200-Pin Type: DDR2 Suitable for: Laptop Compatible Chipsets: GL40, GM45, GS45, PM45, PM65, PM945, 965 Note: - The actual usable memory may vary depending on the operating system: - Windows XP may recognize up to approximately 3GB - Windows 7 32-bit may recognize between 2.26GB and 4.5GB - 64-bit systems support higher memory recognition - Compatibility: - 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 - Please verify compatibility with your laptop model before purchase - Appearance, color, or packaging may vary by batch and will not affect performance - Color: Random (no specific color requests accepted) - Material: PCB - Dimensions: 7 x 3 cm (approx.) Package Includes: 1 x 4GB DDR2 SODIMM RAM Module Note: Lighting effects and display settings may cause slight variations in color between the product image and the actual item. Measurement tolerance: ±1-3 cm.