Micron 4GB PC3-10600 DDR3-1333MHz ECC Registered CL9 240-Pin DIMM Dual Rank Memory Module (MT18KSF51272PDZ-1G4M1FE). This is a seller refurbished part in great working condition. May show signs of cosmetic wear but this should not hinder the effectiveness of the part. At a bargain price for a thoroughly tested and refurbished peice of memory.
Details
MT18KSF51272PDZ-1G4M1FE . Operates on 1.5 Volts within speeds between 1066 and 1600 MT/s (million transfers per second).