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The following table compares Serial ATA and Parallel ATA.
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Serial ATA (SATA) |
Parallel ATA (PATA) or IDE |
| Theoretical Transfer Rate |
Generation 1 - 150MB/sec
Generation 2 - 300MB/sec
forecast 600 MB/sec |
133MB/sec |
| Transfer Mode |
Generation 1 or Generation 2 |
PIO - UDMA-6 |
| Data Cable |
7-pin SATA |
40-pin, 80-conductor IDE |
| Max Data Cable Length |
1 meter (39 inches) |
18 inches |
| Power Cable |
SATA Power Cable |
IDE Power Cable |
| Power Consumed |
250 mV |
5 V | |
The following illustration shows an example of a SATA data cable.
The following illustration shows an example of an IDE data cable.
This applies to:
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