Built to exacting specifications with the finest chips and materials available Transcend memory modules undergo strenuous laboratory testing to ensure the best performance possible. Engineered for long life and maximum durability Transcend DDR3 ECC Low Voltage DIMMs feature Error Correcting Code (ECC) for better protection against uncorrectable errors. Operating at a nominal voltage of just 1.35V these modules not only produce less heat but also reduce electrical load on the memory controller to offer power savings of up to 15% versus standard 1.5V.