Of course, these days, you are more likely to find some version of SATA and — lately — NVME connectors. But a standard predating all of this was very common in high-end systems: SCSI.

In contrast, the consumer-oriented SATA interface has only one channel. The Serial SCSI Protocol (SSP) is used for SAS drives, and the Serial ATA Tunneling Protocol (STP) is employed for SATA drives.

There was a time when high-performance disk drives used SCSI — the Small Computer System Interface — and everything else was kid stuff. Now, advanced forms of SCSI are still around but there ...

Today's hard drives use SATA or SAS interfaces, which are the serial versions of their PATA and SCSI predecessors. SATA drives are found in most personal computers unless they use solid state ...

The SAS Initiator Controller IP Core provides an interface to high-speed serial link replacement for the parallel SCSI attachment of mass storage ... Automatically detects SAS and SATA drives.