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New HDD with 15,000rpm from IBM

by Anna Filatova
02/01/2001 | 10:38 PM

IBM today introduced the first server HDD featuring 15,000rpm rotation speed and 36GB storage capacity. This newcomer is called Ultrastar 36Z15 and it allowed IBM surpass Seagate in the High-End server sector. Also IBM will be offering a 18GB modification. Here are some specs of the new hard disk drive:

Storage capacity: 18.4/36.7GB;
Spindle rotation speed: 15,000rpm;
Interface: Ultra 160 and Ultra 320 SCSI;
Average access time: 3.4ms;
Platters: 4/6;
Acoustic features and power consumption: just the same as by HDDs with 10,000rpm;
Buffer size: 4MB.

Ultrastar 36Z15 is expected to perform 25% faster than other HDDs with the same rotation speed and 50% faster than the hard disk drives with 10,000rpm rotation speed.
Ultrastar 36Z15 with Ultra160 SCSI interface should become available this quarter already, while the drives with Ultra320 SCSI interface and 2Gbit Fibre Channel interface – in Q2 2001. The prices haven’t yet been announced.

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