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Saturday, March 30, 2013

Difference Between IDE SATA and SCSI

Characteristics
IDE
SATA
SCSI
Acronym For
Integrated Drive Electronics (IDE)
interface
Serial ATA
Small Computer System Interface
Developed in
1986
2003
developed in 1978 and publicly disclosed in 1981
Pins Used
40 Pins
7 Pins (3 grounds and 4 active data
lines in two pairs)
50-pin, 68 pin, and 80-pin
Data Transfer Rate
16 MB/s originally
later 33, 66, 100 and 133 MB/s

SATA 1.0–> 150 MB/s, SATA 2.0–>300 MB/s,SATA 3.0 –>600 MB/s

Ultra-640 SCSI: 640 MB/s or 5120 Mbit/s
Supported Devices per Cable
Two
One
Sixteen
Hot Swapping Support
No
Yes
Yes
Current Versions
Enhanced IDE(EIDE)
SATA 3.2
Ultra-640 SCSI



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