What Does SCSI-2 Mean?

SCSI-2 is the second version of SCSI. SCSI stands for Short (or Small) Computer System Interface, and is most commonly pronounced “scuzzy.” It is a commonly used interface for disk drivers first introduced in the mid-1980s. SCSI-2 was released in 1994 with optional 16-32 bit bus, unlike the original SCSI which was only 8 bits, and has more pins and device connection capacity.


Techopedia Explains SCSI-2

The SCSI-2 interface is fast and efficient. It has a connection capacity of 16 or more devices, compared to 8 devices in the case of the original SCSI. The transfer rate is also increased from 10 Mbps from SCSI to 40 Mbps in SCSI-2. SCSI-2 usually uses a MicroD 50-pin connector with thumbclips. The connector is also known as a Mini 50 or Micro DB50 or Micro Ribbon 60 connector. SCSI-2 has further three sub-types: SCSI-2 Fast, SCSI-2 Wide and SCSI-2 Fast Wide. All of these types differ in functionality and included features.


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Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…