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What's the difference between eSATA or SATA II or SATA III on these hard drives?

flipper123 5,573 December 28, 2010 at 11:58 AM
If I were to buy an external hard drive which one would be better? and if I were to buy an internal hard drive which one would be better? for external should I just get one with USB 3.0? or it is faster to buy an internal with SATA and then buy a case for it?

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#2
SATA comes in several speeds: 1.5Gbps, 3Gbps, and 6Gbps. Those speeds are sometimes called SATA 1, 2, and 3.

eSATA is just SATA with a different connector intended for External drives. It comes in different speeds the same way.

1.5Gbps SATA is almost sufficient for fast modern hard drives. 3Gbps is much faster than all hard drives. 6Gbps only matters for SSDs.

USB3 should be similar in speed to 3Gbps SATA (fast enough for any hard drive).

Pre-made externals tend to have 5400rpm drives, so you could build a faster external hard drive yourself. But 5400rpm makes more sense for most externals, anyway. And a fast 5400rpm drive is no slouch.
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#3
Redskull is right. It also matters what your computer has as far as connections. If your not going to upgrade the connections then there is no use in paying a premium for a faster style of connector than you have.
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#4
also keep in mind that in reality, sata is still faster than usb3 due to drive options like native command queing, and the fact that USB is still a shared bus so all devices connect to the same bus and affect each other.
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all tech support threads will now be answered with possibly random and false information.
This is due to the retardedness of posters and answering posters in general.
thank you, have a nice day.
#5
What's the role of scsi these days? Still used much?
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#6
Quote from eflat View Post :
What's the role of scsi these days? Still used much?
Non-existent as a physical interface on desktops.
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#7
Quote from eflat View Post :
What's the role of scsi these days? Still used much?
pretty much relegated to SAN's and some high volume servers.

and even that is going away with SAS and fibre channel connections.
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