The 7mm 2.5-inch mobile hard drives delivers lower power consumption and are available in 500GB (S$139.99) and 320GB (S$109.99) capacities.

The new Scopio Blue 7mm mobile hard drive can be used in both ultrabooks and mainstream notebooks.
The slim, energy-efficient 7mm hard drives for ultrabooks are the latest additions to Western Digital’s Scorpio Blue line of mobile hard drives.
The single-platter small form factor of the new hard drives are compatible with industry-standard 9.5 mm slots for mainstream notebooks as well as slimmer notebook and ultrabook devices that require a thinner 7mm drive height.
Below is the fact sheet for the Scorpio Blue family of mobile hard drives.