[David] has combined a Teensy 3.5 with a NCR5380 SCSI interface chip ... Future work looks to gain more speed through a SCSI controller upgrade. But that’s not all SCSI’s good for.

Introduced in 2003, serial attached SCSI ... uses a controller (host bus adapter) with two full-duplex channels that operate simultaneously. Each channel (SAS port) transfers data at 3, 6 or ...

A SCSI host adapter is often called a "SCSI controller." See SCSI. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Parallel SCSI used differential signaling and could reach up to 320 MB/s. Ordinary USB weighs in at 1.5 MB/s. USB 2 did a little better, but it would take USB 3 to eclipse the old SCSI data rate.