Which type of hard drive is typically denoted by a rotation speed of 15 000 revolutions per minute (rpm), thereby offering quick access times and high data transfer rates?
Enterprise-class hard disk drive
Standard desktop hard disk drive
Solid-state drive used in mobile devices
Energy-efficient mobile hard disk drive
A rotational speed of 15 000 rpm is characteristic of high-performance enterprise-grade hard disk drives-usually Serial Attached SCSI (SAS) models intended for servers and workstations that run 24/7 and demand very high IOPS. Spinning faster than 5 400 rpm or 7 200 rpm desktop drives and even 10 000 rpm performance drives, 15 k-rpm enterprise HDDs reduce latency and increase throughput. Solid-state drives (SSDs) have no moving parts and therefore no rpm rating, while energy-efficient mobile or standard desktop HDDs generally top out at 5 400 rpm or 7 200 rpm.
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