Timetec 4GB DDR3 / DDR3L 1333MHz PC3-10600 Non-ECC Unbuffered 1.5V / 1.35V CL9 2Rx8 Low Density Dual Rank 240 Pin UDIMM Desktop PC Computer Memory.

DDR3 / DDR3L 1333MHz PC3-10600 240-Pin Non-ECC Unbuffered 1.5V / 1.35V CL9 Dual Rank 2Rx8 based 256x8 PCB Color may be different (Black or Green) due to different production batches; all Timetec products are high quality and rigorously tested to meet stringent standards For DDR3 Desktop Compatible with Intel and AMD CPU, Not for Laptop Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States