Original G.Skill DDR3 memory, new in the box.

Model: F3-10666CL9D-4GBECO 

DDR3-1333 CL9-9-9 1.35V

4GB (2x2GB)

The G.SKILL ECO series DDR3 memory is designed for low power operation, featuring low voltage at 1.35V and low profile at 32mm module height, the G.SKILL ECO memory kit helps your system run cool and efficient, ideal for HTPC or small form-factor systems.