46W0688 IBM 4GB DDR3 Registered ECC PC3-14900 Server Memory

46W0688 . Operates on 1.5 Volts within speeds between 1066 and 1600 MT/s (million transfers per second). This is a 4GB module. The Bus Type is PC-14900. 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 1866 Mhz.