Komputerbay 8GB 2X 4GB DDR2 800MHz PC2-6300 PC2-6400 DDR2 800 (200 PIN) SODIMM Laptop Memory Komputerbay 8GB 2X4GB DDR2 800MHz PC2-6300 PC2-6400 DDR2 800 (200 PIN) SODIMM Laptop Memory 100% Compatible with Laptops. BRAND NEW 4GB PC2-6300 PC2-6400 DDR2 800 Mhz. Supports Dual Channel. Compatible with LAPTOPS THAT SUPPORT DDR2 200PIN MEMORY Lifetime Warranty