Two-platter 750GB mobile drive due from Toshiba, too

Western Digital isn't the only company with a two-platter 750GB mobile hard drive up its sleeve. Toshiba has announced just such a product, the MK7559GSXP, which similarly squeezes 750GB of capacity into a standard 2.5", 9.5-mm form factor.

You might not see the Toshiba MK7559GSXP on store shelves quite as early as its WD counterpart, however. While WD claims to have initiated shipments already, Toshiba says it will only ship its drive to distributors and PC makers in the third quarter of this year. Before then, in the second quarter, Toshiba says it will release 2.5" 750GB and 1TB mobile drives with thicker-than-normal 12.5-mm form factors. Those MKxx59GSM offerings will be aimed at "external add-on and removable storage, tape replacement and docking station applications," plus mobile workstations and gaming laptops.

750GB and 1TB MKxx59GSM drives will both have three platters, but they'll otherwise share the MK7559GSXP's basic characteristics: 5,400-RPM spindle speeds, 300MB/s Serial ATA interfaces, 8MB caches, 12-ms seek times, and 25 dB noise levels both at idle and while seeking.

Toshiba notes the three drives "represent the company's first mobile HDD platforms developed with the combined engineering resources from the integration of Fujitsu's HDD business." That acquisition was announced last February and went through later in the first part of 2009.

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