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Seagate has launched a revolutionary hard drive under the name Momentus, this most radical drive is the hybrid Momentus 5400 PSD (Power-Saving Drive) which adds 256MB of Flash memory to a 5,400rpm SATA300 2.5 inch hard drive. The Flash memory can be used to store system files to allow Windows Vista to boot faster, meaning he notebook can load files into system memory before the drive platters have started to spin. Seagate claims the drive allows Vista to resume from hibernation 20 per cent faster than a conventional hard drive.

One of main benefits to the mobile sector is that the drive can stop spinning once your files are loaded, reducing hard drive power consumption by 50 per cent,. From all accounts it seems the power saving improvements will only be seen under Vista and the drive will only be sold in OEM PCs with Vista pre installed.

The official word is that the drive will ship in the first half of 2007, which sounds like a nice way of saying "wait until Windows Vista launches".

Details on this and other drives in the Momentus can be found here:

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Chris Leckness is the Owner/Administrator of Mobilitysite. He is a Microsoft MVP, Mobile Devices and a member of the exclusive focus group, Mobius. Chris runs a Mobilitysite, GotZune, and a few other smaller sites and blogs. His personal blog is chris.leckness.com.