Hitachi today unveiled two new large-capacity laptop drives, offering 400GB and 500GB sizes in a 2.5-inch format. The new drives will be slightly larger than a conventional laptop hard disk, rated at 12.5mm thickness versus the typical 9.5mm. The drives make use of a two-platter setup, and use two heads to read data from both platters. Hitachi adap...

	Read more at MacNN
	www.macnn.com/articles/08/01/03/hitachi.500gb.laptop.drive/