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  2. 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 ...

  3. Hard disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_interface

    The SAS is a new generation serial communication protocol for devices designed to allow for much higher speed data transfers and is compatible with SATA. SAS uses a mechanically identical data and power connector to standard 3.5-inch SATA1/SATA2 HDDs, and many server-oriented SAS RAID controllers are also capable of addressing SATA hard drives.

  4. Serial Attached SCSI - Wikipedia

    en.wikipedia.org/wiki/Serial_attached_SCSI

    This form factor is designed for compatibility with SATA but can drive a SAS device. A SAS controller can control SATA drives, but a SATA controller cannot control SAS drives. Lower pins (S1-S7, P1-P11) defined as in SATA. Upper pins S8-S14 provide additional lane of data.

  5. Port multiplier - Wikipedia

    en.wikipedia.org/wiki/Port_multiplier

    A Serial ATA port multiplier is a unilateral splitting device. While it allows one equipped port to connect up to 15 disks, the bandwidth available is limited to the bandwidth of the link to the controller, as of 2012 1.5, 3, or 6 Gbit/s. [3]

  6. Spin-up - Wikipedia

    en.wikipedia.org/wiki/Spin-up

    Staggered spin-up (SSU) was introduced into SATA revision 2.5 in 2005. [2] SSU allows a SATA host bus adapter to spin up hard drives in a sequential manner. [ 3 ] In SATA 2.5 and above, the drive starts without spinup if the "disabled stagged spinup" (DSS) pin (standard power connector pin 11) is left floating.

  7. Jumper (computing) - Wikipedia

    en.wikipedia.org/wiki/Jumper_(computing)

    Jumper pins (points to be connected by the jumper) are arranged in groups called jumper blocks, each group having at least one pair of contact points.An appropriately sized conductive sleeve itself called a jumper, or more technically, a shunt jumper, is slipped over the pins to complete the circuit.

  8. Parallel ATA - Wikipedia

    en.wikipedia.org/wiki/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.

  9. SCSI - Wikipedia

    en.wikipedia.org/wiki/SCSI

    SASI, which was used in mini- and early microcomputers, defined the interface as using a 50-pin flat ribbon connector which was adopted as the SCSI-1 connector. SASI is a fully compliant subset of SCSI-1 so that many, if not all, of the then-existing SASI controllers were SCSI-1 compatible.