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2. Hard disk drive performance characteristics - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive...

   On SCSI hard disk drives, the SCSI controller can directly control spin up and spin down of the drives. Some Parallel ATA (PATA) and Serial ATA (SATA) hard disk drives support power-up in standby (PUIS): each drive does not spin up until the controller or system BIOS issues a specific command to do so. This allows the system to be set up to ...

3. Solid-state drive - Wikipedia

   en.wikipedia.org/wiki/Solid-state_drive

   A solid-state drive (SSD) is a type of solid-state storage device that uses integrated circuits to store data persistently. It is sometimes called semiconductor storage device, solid-state device, or solid-state disk. [1] [2] SSDs rely on non-volatile memory, typically NAND flash, to store data in memory cells. The performance and endurance of ...

4. Seagate Barracuda - Wikipedia

   en.wikipedia.org/wiki/Seagate_Barracuda

   In 1993, Seagate released the first Barracuda drive, with the ST11950. The drive had a capacity of 2.03 GB (1.69 GB formatted), was available with FAST SCSI-2 (N/ND models) or WIDE SCSI-2 (W/WD models) interface, and was the first hard drive ever to have a spindle speed of 7200-RPM.

5. Why is my computer so slow? - AOL

   www.aol.com/products/blog/why-is-my-computer-so-slow

   Upgrade to an SSD: Replace your traditional hard drive with a solid-state drive (SSD) for faster boot times, quicker application launches and overall snappier performance.

6. Solid-state storage - Wikipedia

   en.wikipedia.org/wiki/Solid-state_storage

   A solid-state drive (SSD) provides secondary storage for relatively complex systems including personal computers, embedded systems, portable devices, large servers and network-attached storage (NAS). To satisfy such a wide range of uses, SSDs are produced with various features, capacities, interfaces and physical sizes and layouts. [4]

7. IOPS - Wikipedia

   en.wikipedia.org/wiki/IOPS

   SSD ~20,000 IOPS [17] SATA 3 Gbit/s SandForce-1200 based SSD drives with enhanced firmware, states up to 50,000 IOPS, but benchmarking shows for this particular drive ~25,000 IOPS for random read and ~15,000 IOPS for random write. [17] Samsung SSD 850 PRO SSD Up to [neutrality is disputed] 100,000 read IOPS