Drobo

Drobo S… USB 3.0 vs eSATA

I just bought a USB 3.0 solution for my Mac Pro (about time!); which is faster in terms of use? USB 3.0 or eSATA? I’ve been using eSATA for a while now and seem to get 80-90MB/s for reads and writes.

Thanks!

PS: I just noticed they have a Drobo S marked “Gen 1”; is there an updated version of the Drobo S and how do I know which one I have?

[quote=“ran, post:1, topic:3102”]PS: I just noticed they have a Drobo S marked “Gen 1”; is there an updated version of the Drobo S and how do I know which one I have?
[/quote]

Gen 1 is USB 2. Gen 2 is USB 3. If you have a USB 3 port on your Drobo S then you have a gen 2.

Gen 1 is USB 2. Gen 2 is USB 3. If you have a USB 3 port on your Drobo S then you have a gen 2.
[/quote]

Thanks. I guess that question is answered. I don’t even have USB 3.0~

Oh well. Still, my original question remains.

Assuming eSATA 150, it’d be 150 MB/sec.
USB 3.0 theoretically maxes out at 625 MB/sec, but that’s just raw data.

This article gave a bit more explanation (USB has to encapsulate or translate the data) and real-world measurements.
USB 3.0 vs eSATA - is faster better? at ITWorld.com

With eSATA, you have point-to-point connection (though you can hub eSATA, it quickly gets unwise).
With USB, you have a hubbed connection and more overall bandwidth, but you also may have many more devices sharing that bandwidth.

For a single device, my preference, when it works, is eSATA because that’s a dedicated-to-storage connection.
I say “when it works” because not all SATA controllers support the port-multiplier function (multi-LUN) that is needed.

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