Differences in Cables and Connectors
(right) and IDE (left) hard drives. The SATA hard drive has the data
cable on the right and power cable on the left. The IDE data cable is
ribbon-like (on the left)
SATA = Serial Advanced Technology Attachment?
IDE =
| Integrated Device Electronics? |
Parallel ATA only allows data cable lengths up to 18 in (457 mm) while SATA allows cable lengths up to 1 m (3.28 ft). eSATA cables can be 2 m in length.
IDE consists of a 40-pin connector attached to a ribbon cable.
80-pin connectors were also introduced later. The connectors are black
in a 40-pin connector while in an 80-pin connector, they come in 3
colors: blue - controller, gray - slave drive, and black - master drive.
Each cable has two or three connectors, one connector is attached to
the interface that connects to the computer system (mother board) and
the others are connected to the drives.
SATA consists of an 8 mm wide wafer connector on each end and the
cable has a 7-pin connector, 3 grounds and 4 active data lines in two
pairs. It has the facility to attach only one drive and so Serial ATA
does away with Master/Slave configurations.
IDE vs SATA - Difference and Comparison | Diffen
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