To answer you question what is USB to SCSI adapter or Small Computer System Interface, it refers to a device that gives room for the connection of SCSI peripherals through a USB port. It gives a way of hooking up a wide range of SCSI devices to different desktop machines that do not have PCI slots for host adapters or to laptops.
SCSI refers to a set of standards that are used in the physical connection and transfer of data between peripheral devices and computers. These standards give the definition of the protocols, commands and optical interfaces. In most cases, the SCSI is used for tape drivers and also hard disks.
However, it is can also be used in the connection of several other devices like scanners and even Compact Disk drives. However, it should be noted that not all the controllers are able to offer support to all devices.
The standards of SCSI are very pragmatic and mainly focused towards commercial needs. The SCSI does not indicate how complex a physical format is. SCSI adapters that are built into laptop PC cards and SCSI-to-parallel adapters were even used in the PCs that were used in the recent times.
There have been different versions of the SCSI. However, some of the recent versions that can be obtained in the market today include Serial Storage Architecture, SCSI-over-Fibre Channel Protocol, Serial Attached SCSI, usb to scsi adapters among others.
These are considered to have originated from the conventional parallel SCSI standards and are able to conduct the process of data transfer through serial communications. Even though a variety of documentations on the SCSI revolves around parallel interface, a great number of recent development efforts are mainly focused on serial SCSI.
This can be attributed to the several benefits of serial SCSI over the parallel interface. The latest model of USB 2.0 SCSI adapter is known to contribute to faster rates of data transfer and hot swapping. It also offers an improvement in fault isolation.
Usb to SCSI adapter cable
The scsi to usb adapter cable is mostly used on workstations and servers that are of very high performance. In fact, RAIDS on servers have in most occasions used SCSI hard disks even though a wide variety of manufacturers are currently offering RAID systems that are SATA-based because they are relatively inexpensive.
A variety of notebooks and desktop computers now use ATA/SATA interfaces for their internal hard disk drives and even USB connections to be able to link up with external devices. Currently, most people do not prefer to use usb scsi adapter because of the advancements that have come with technology.
However, there are still a wide range of models that are used by a few people. One of the famous models that can still be obtained easily in the market is the Operate Model 73A SCSI CAMAC controller from computers USB port.
This specific model has been identified as an economical solution in the control of CAMAC instruments under CAMAC maximum speeds. It is able to operate from a computer’s high speed USB 2.0 or newest usb 3.0 interface.
You can Buy scsi to usb adapters here, but remember to find proper cable which have support for scsi version of your device.
We suggest you to purchase only modern usb 3.0 (it compatible with usb 2.0) to your version of scsi interface (newest is ultra-scsi 640). Please check pin numbers on your scsi connector to know which version support you need.
So you need to looking usb to scsi cable adapter, where scsi must be specified by pins number (easiest way). I will add here later list of all scsi versions with their connectors (including pin numbers).Leo