”At the same HP is transitioning its product line to 2.5-inch hard disk drives, it also will migrate from traditional parallel SCSI interfaces to Serial Attached SCSI, or SAS, interfaces, he says. ”Customers have been loud and clear that they want to make this transition at one time,” Palmer says. ”They want to move to the small form-factor drives and SAS at the same time, rather than having to complete two separate transitions.” The big advantages with 2.5″ harddrives compared with today’s 3.5″ are that you can store more data on a smaller surface and much less power consumption. Source: InformationWeekHP (Hewlett-Packard) will within short announce its plans for a transition to smaller harddrives in their servers and stations. They start out by using smaller 2.5″ drives that despite its size offers quite nice specifications. There are already today 2.5″ drives that spins at 10000 rpm and during 2006 HP plans to introduce 2.5″ drives with a rotation speeds at 15000 rpm. At the same time it will abandon today’s parallel SCSI interface with its serial equivalent SAS.
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