If you need extra storage space, then the Samsung HD154UI EcoGreen F2 is just the ticket! Samsungs HD154UI comes with a sizeable 32 MB buffer memory for extreme comfort of use, as well as EcoTriangle technology to reduce power consumption and acoustic noise. It has a large tray for discs and consumes between 15-50% less electricity than a standard model with an equivalent capacity.  The HD154UI requires roughly 5 to 6 Watts to operate and 0.5 Watts in stand-by mode.