256MB DDR2 PC2-4200 533MHz SODIMM Laptop MemoryDESCRIPTION 256MB DDR2 PC2 4200 533MHz SODIMM Laptop Memory RAM Memory 256MB PC2 4200 533MHz DDR2 200 Pin Non ECC CL4 1. 8V SDRAM SODIMM Capacity 256MB Type PC2 4200 Memory Speed 533MHz (PC2 4200) Technology DDR2 SDRAM CAS Latency CL4 Data Integrity Non ECC Non Registered Buff Unbuffered Unbuffered Voltage 1. 8 Volt Form Factor 200 Pin SO DIMM Warranty Lifetime Warranty Ms ID Number 0000 100% Compatibility Guaranteed All Memory Modules are of Major