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external vs. internal hard drive

(26 posts)
  • Started 6 years ago by jack7h3r1pp3r
  • Latest reply from jack7h3r1pp3r
  • Topic Viewed 7158 times

jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

my question is when you run programs off of a external hard drive do they run slower that if you ran the off of the internal hard drive. or would it depend more on what you are trying to run on it

Posted 6 years ago
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jd2066
jd2066
Posts: 3814

It depends on the speed of the external drive and what you want to run from it.

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

how would i know how fast it is?

Posted 6 years ago
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whs
whs
Posts: 17584

The device speed (data read/write speed) would be in the specs of the device. Assuming that is attached via USB 2, the maximum transfer rate is 480Mbps. On firewire 400 or 800 Mbps and 1500Mbps for eSATA ports.

Posted 6 years ago
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Lighthouse
Lighthouse
Posts: 13598

Actual speeds on my Dell Inspiron read
copying from internal disk partition C to internal disk partition D = around 15 mbs
copying from internal disk partition D to internal disk partition C = 6-12 mbs
To and from internal drive (C or D partition) (External disk 1) = around 12 mbs
To and from internal drive (C or D partition) (External disk 2) = 15-19 mbs
These are all cheap IDE drives
So, as they say, go figure!

Posted 6 years ago
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whs
whs
Posts: 17584

If you write from C: to D: you have a lot of arm movement because you are on the same physical disk. The slower speed from D: to C: is problably because the file(s) had a different structure (small versus large, more fragmentation). Writing from the internal disk to the external disk should be faster than the first 2 cases because of the better continuity of the arm movements. And since you are way below the maximum USB speed, the data channel is no bottleneck. Conclusion: Writing from one disk to another is faster than writing from one disk partition to another disk partition on the same disk - reason: arm movement.

Posted 6 years ago
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Lighthouse
Lighthouse
Posts: 13598

Exactly.
Ooops just re-read the OP

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

so is it usually a good idea to just run things from the normal drive (games, bigger programs) and just run smaller ones from the external?

Posted 6 years ago
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Lighthouse
Lighthouse
Posts: 13598

Run everything from the internal drive
I run a ton of programs from the C: drive (which is only 30Gb)

Posted 6 years ago
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whs
whs
Posts: 17584

jack, I would not run programs off an external drive. Rather put bulky data there (e.g. Videos, Music, data backups)

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

ok. but what is wrong with running things from the external drive? i haven't had any problems

Posted 6 years ago
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Budohorseman
Budohorseman
Posts: 847

There's nothing wrong with it, you just typically have better speeds running programs from the C drive and use the external for storage.

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

ok i get it now thx for everyones input

Posted 6 years ago
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Lighthouse
Lighthouse
Posts: 13598

Nice explice monsieur

Posted 6 years ago
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whs
whs
Posts: 17584

jack, I second Budohorseman. If you are happy running programs from the external, it's ok. Just a little odd. No big deal.

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

why would it be odd i just created a programs folder like the one on the c: and every thing still loads in the start menu just fine so they are basicly the same

Posted 6 years ago
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whs
whs
Posts: 17584

jack, by "odd" I mean that this not something one typically does. But it's ok - this is a free country. If you like this setup, nothing wrong with it.

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

just thought you meant odd as in file placement or something along those lines

Posted 6 years ago
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Budohorseman
Budohorseman
Posts: 847

Jack, it is just typical to run the programs from internal drives and use external ones for storage (pics, docs, video, backups etc). About the only time most people put a program on an external drive is if they need to be able to run it on multiple pc's but don't want to install it on the other pc. I run my poker programs from my external drive, that way when I'm out on business I can just bring that external drive along and play my games without having to install the programs on my employers laptop (I doubt that they would approve of that ;-)

Posted 6 years ago
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jack7h3r1pp3r
jack7h3r1pp3r
Posts: 2815

ya i guess that i just like to keep my main hard drive less filled with programs

Posted 6 years ago
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