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2. Hard disk drive interface - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive_interface

   Early interfaces. A data cable (top) and control cable (below) connecting a controller card and an ST-506 type HDD. Power cable not shown. The earliest hard disk drive (HDD) interfaces were bit serial data interfaces that connected an HDD to a controller with two cables, one for control and one for data.

3. ST506/ST412 - Wikipedia

   en.wikipedia.org/wiki/ST506/ST412

   The ST506 HDD was the first 5.25 inch hard disk drive, introduced in 1980 [ 3] by Shugart Technology (now Seagate Technology ). It stored up to 5 megabytes after formatting (153 cylinders, 4 heads, 32 sectors/track, 256 bytes/sector) [ 4] and cost US$1,500 (equivalent to $5,547 in 2023). [ 5] The similar, 10-megabyte ST412 HDD was introduced in ...

4. Parallel ATA - Wikipedia

   en.wikipedia.org/wiki/Parallel_ATA

   Parallel ATA. Parallel ATA ( PATA ), originally AT Attachment, also known as Integrated Drive Electronics ( IDE ), is a standard interface designed for IBM PC -compatible computers. It was first developed by Western Digital and Compaq in 1986 for compatible hard drives and CD or DVD drives. The connection is used for storage devices such as ...

5. SATA - Wikipedia

   en.wikipedia.org/wiki/SATA

   A 3.5-inch Serial ATA hard disk drive A 2.5-inch Serial ATA solid-state drive. SATA was announced in 2000 [4] [5] in order to provide several advantages over the earlier PATA interface such as reduced cable size and cost (seven conductors instead of 40 or 80), native hot swapping, faster data transfer through higher signaling rates, and more efficient transfer through an (optional) I/O queuing ...

6. SCSI connector - Wikipedia

   en.wikipedia.org/wiki/SCSI_connector

   Normally, hard disk drives make use of two cables: one for data and one for power, and they also have their specific parameters (SCSI ID etc.) to be set using jumpers on each drive. Drives employing SCA have only one plug which carries both data and power and also allows them to receive their configuration parameters from the SCSI backplane.

7. Serial Attached SCSI - Wikipedia

   en.wikipedia.org/wiki/Serial_attached_SCSI

   In computing, Serial Attached SCSI ( SAS) is a point-to-point serial protocol that moves data to and from computer-storage devices such as hard disk drives and tape drives. SAS replaces the older Parallel SCSI (Parallel Small Computer System Interface, usually pronounced "scuzzy" [ 3][ 4]) bus technology that first appeared in the mid-1980s.