access time

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Related to seek time: access time, rotational latency

access time

the amount of time required for a computer to retrieve data from its disk drive.
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The points of comparison are speed based on seek time, price, and customer service.
5 millisecond seek time, the WD Raptor delivers 30 percent greater random I/O than the 7200 rpm SATA drives that are standard on the PeerStorage array.
Xtreme drive comes in 40GB and 60GB capacities at 5400 RPM's which has a data transfer rate of 450 Mb/s and an average seek time of 12ms and 60GB model at 7200 RPM which has a data transfer rate of 518 Mb/s and an average seek time of 10ms.
The 7K60 also shows a 20-percent improvement in average seek time (time it takes the read/write arm to arrive at the desired data track).
The drive provides a 23ms seek time, 2MB buffer, and 120,000 hour MTBF.