Komputerbay 2GB DDR2 533MHz PC2-4200 PC2-4300 DDR2 533 (200 PIN) SODIMM Laptop Memory Komputerbay 2GB DDR2 533MHz PC2-4200 PC2-4300 DDR2 533 (200 PIN) SODIMM Laptop Memory 100% Compatible with Laptops. BRAND NEW 2GB PC2-4200 PC2-4300 DDR2 533 Mhz. Supports Dual Channel. Compatible with LAPTOPS THAT SUPPORT DDR2 200PIN MEMORY Lifetime Warranty