Item specifics:100% Brand new and high qualityCapacity: 2GBForm Factor: DIMMSpeed: 533MHzMemory Specifications: PC2-4200Technology:DDR3 RAM Non-ECCSupply Voltage: 1.8VCompatible with Multiple System.Note : PLEASE be sure you know what you're buying.IF not sure， message us first!Package Included:1x 2GB PC2-4200 SDRAM Laptop Memory Ram