Hitachi P7K500 deskstar

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POSTER: computer news   ||   HITACHI P7K500 DESKSTAR	DATE:2007-10-22
The newest standard Of energy star 4.0 dictates those terms: desktop computer must consume not more than 50 W in idle mode  . In order to attain the new requirements from entire computer, it is necessary to fight for each concrete component. It is possible to reveal that processor portion use not more than 8 W - in the quiescent conditions. Motherboard consumes not more than 16,7 W. Hard disk has the right to consume not more than 8 W in the quiescent conditions. Corresponding to these requirements hard disks are already announced. For example,  western digital company proposes the hard disk series greenPower, which consume not more than 4 W in the quiescent conditions, and not more than 7,5 W under load. The special features of hard disks in this series is the change of rotation speed : switched between 7200 r/min and 5400 r/min modes. Hitachi company does not desire to lag behind ; therefore yesterday it presented hard disks series deskstar P7K500. In comparison with predecessors, they consume up to 40% less electric power in idle mode and under load. The HDD rotation speed in these models also changes, switching is achieved between two modes: 4500 r/min and 7200 r/min . Hard disk models with two plates and PATA-133 interface  consume not more than 4,5 W in the quiescent conditions, model with one plate are satisfied by 3,3 W. Versions with  serial ATA use 4,8 W and 3,6 W. Under  load SATA model with capacity 250 Gb consumes 6,4 W, the model with 500GB capacity consumes not more than 8,2 W. The mass deliveries of hard disks hitachi series deskstar P7K500 will begin in the current block. Related Products :

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