684066-B21 HP 16GB DDR3 Registered ECC PC3-12800 Server Memory

Operates on 1.5 Volts within speeds between 1066 and 1600 MT/s (million transfers per second). This module has a total capacity of 16GB. The Bus Type is PC-12800. Its ECC (Error Correction Code) features prevent data corruption and system failure which is typically ideal for server machines. Has a data transfer rate of 1600 Mhz.