A device that allows SCSI peripherals to be connected via USB. Used in the past, it provided a way to hook up SCSI devices to laptops or to desktop machines without an available slot for the adapter.

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.

But a standard predating all of this was very common in high-end systems: SCSI. [RetroBytes] recently did a video on the bus which he calls the “USB of the 80s.” Historically, Shugart — a ...