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External Hard Drive Connection Transfer Rates

Forum Storage : Hard Disks - External Hard Drive Connection Transfer Rates

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djdeluxe   11-05-2009 at 11:03:17 PM

What is the fastest external hard drive connection (eSata, ethernet, firewire 800m)? I need the fastest possible read and write transfer rate connect to my laptop. What external enclosure/packaged external drive would you recommend with that type of connection? I've tried eSata and it didn't seem much faster then firewire 400 transfer rates when I did a write test. eSata is also giving me problems connecting on my laptop with XP and PC with Windows 7. Are there drivers I may be missing for eSata?

Thanks,
Aundre

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TheViper   11-05-2009 at 11:17:04 PM

In order of transfer speeds.

Ethernet
eSATA
Firewire
USB

Each of these also has a few different protocol speeds and versions but on average the above applies.

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djdeluxe   11-05-2009 at 11:42:52 PM

Thanks viper. It's what I suspected but wanted to verify. Hopefully ethernet will be more reliable for me that the eSata was.

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Bronze Storage badge Paperdoc   11-06-2009 at 07:17:00 PM

From my recollection of tests, Firewire 400 and eSATA are similar, but Firewire 800 (aka IEEE 1394b) is quite a bit faster. However, getting that interface on a laptop and an external drive may be hard.

I recall that many of these tests used SATA II drives inside the external cases and that certainly helps, especially for eSATA connections from case to computer, because there is almost no time consumed in converting one communication protocol to another. However, I do NOT know whether similar data transfer performance is obtained if the drive inside the case is IDE (PATA).

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