It was previously assumed that WD will ship hard drives with a case thickness of 5 mm in the first quarter next year, associate said that the interest of ultrabooks manufacturers forced the company to accelerate the launch of mass production of these drives. WD customers will receive ultrathin hard drives at the end of this year. Acer and Asustek were among the first partners of WD, intending to equip their mobile computers with the new drives size.
Price of hybrid drive is 10 times lower than the cost of a comparable solid state drives, and their dimensions are almost identical, which makes them attractive to ultrabooks. New drives occupy 50% less space than traditional hard drives with the thickness of 9.5 mm .