4GB DDR3-1333 ECC Low Voltage RDIMM TAA Compliant - 4 GB (1 x 4 GB) - DDR3 SDRAM - 1333 MHz DDR3-1333/PC3-10600 - 1.35 V - ECC - Registered - 240-pin - DIMM

Up to 1333 MHz speed for smooth computer performance RDIMM 4 GB memory smoothly executes complex apps and games DDR3-1333/PC3L-10600 interface synchronizes electrical and clock signals for an efficient data transfer rate