Disks usually connected directly to computer system
Disk interface standards families
Parallel ATA (PATA) ( AT Attachment) also known as ATA or IDE is standard interface for IBM computers
SATA revision 1.0 (1.5 Gbit/s, 150 MB/s, Serial ATA-150)
SATA revision 2.0 (3 Gbit/s, 300 MB/s, Serial ATA-300)
SATA revision 2.5
SATA revision 2.6
SATA revision 3.0 (6 Gbit/s, 600 MB/s, Serial ATA-600)
SATA 3 supports data transfer speeds of up to 6 gigabits/sec
Serial Attached SCSI
SAS Version 3 supports 12 gigabits/sec
Non-Volatile Memory Express
The NVMe protocol connects SSDs to servers via the PCIe bus and offers much faster performance. NVMe technology has become a key player in today's storage infrastructure.
Works with PCIe connectors to support lower latency and
higher transfer rates
Supports data transfer rates of up to 24 gigabits/sec
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