Running 3TB External Hard Drive 24/7 from the PC

Dell INSPIRON 1520
June 2, 2012 at 20:07:29
Specs: Windows XP, 2.66 GHz / 4069 MB
I've done some googling but haven't found a specific answer.

I want to run an external Hard Drive off our CCTV PC to save extra footage. Currently I have 3 internal hdd and I have no more room inside the PC. Can I run an external hdd (approx 3TB) 24/7 from the PC?

caso1992


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#1
June 2, 2012 at 20:28:32
You should be able to, although it is not recommended since USB is a lot slower than SATA and can be unplugged easily. Also a small bump can alter the USB connection which can mess up the files.

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#2
June 3, 2012 at 03:43:16
Being bumped of unplugged is not a problem as its located in a secure location.
Any other suggestions instead of USB? I was thinking NAS?

caso1992


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#3
June 3, 2012 at 04:47:36
NAS would be a good option since it uses internal hard drives, and I assume it will be better ventilated than an external HDD.

USB 3.0 is almost as fast as SATA.


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Related Solutions

#4
June 3, 2012 at 10:50:55
A usb should act like an internal but not all programs may allow it. Many usb devices may have some power management that you might have to disable.There is a way on some to make them appear to the OS as an internal.

A NAS might be mapped to a drive to help if the app doesn't like removable storage. Not all programs allow that trick.

An external sata may be an option.

Might be worth it to move off data and clear hard drive space to some secure storage. Tape is still a choice.

Hang up and live.


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#5
June 3, 2012 at 18:57:48
Internal hard drives are designed to run 100,000 hours or more. If you run the PC 24/7 the hard drive is probably spinning all the time unless you have set it otherwise, which would not work well with the close circuit cameras.

Most external units do not have sufficient air circulation. If you already have the drive but need a case I suggest you get an enclosure that has an AC adapter and at least one fan.

eSATA is fastest if you have eSATA capability or are willing to add an eSATA card to your computer. See the link below. The listed enclosures all have AC and fan. The reviews can sometimes be helpful.

Be sure to get an enclosure that can accommodate your 3.5" drive and has the proper internal connections for your drive.

http://www.newegg.com/Product/Produ...


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#6
June 4, 2012 at 02:04:25
I do have a spare internal drive thats not being used at the moment. So just to clarify, making my own 'external' hdd with better ventialtion will be better than buying an off the shelf external?

caso1992


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#7
June 4, 2012 at 05:57:15
In my opinion that is the better solution. I have an enclosure that was made to hold CD drives or hard drives. It is large for that reason. It has a fan inside. I have been running the same 360GB WD IDE drive in there for I am guessing 5 years or more. The drive is not running 24/7 now but has in the past.

Is the spare drive IDE or SATA?


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#8
June 4, 2012 at 14:14:03
Spare hard drive is SATA

caso1992


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#9
June 4, 2012 at 14:17:44
Running the drive as an eSATA drive would be the best solution then.

Obviously the computer listed at the top is NOT the one in question. Post that brand and model number.


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#10
June 4, 2012 at 14:53:16
No, thats the computer that I am currently using.

The computer was built by a local shop for us so there is no brand.

Its running Win 7, Intel i5, 4GB RAM, 2 x 2TB and 1 x 1TB Hard Drive. nVIDIA GT520. Running

caso1992


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#11
June 4, 2012 at 15:17:38
I am trying to determine if you have built in eSATA capability. Motherboard model would tell us that.

If you don't have eSATA now, you could add a card which you can use to connect a eSATA speeds.


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#12
June 9, 2012 at 20:46:25
I do have eSATA port on the mb.

I was just wondering what the difference in transfer speeds are between USB 2.0, USB 3.0, eSATA and SATA. I've googled but I can't find a comparision.

caso1992


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#13
June 10, 2012 at 05:12:08
Well, first off you need to compare the theoretical speeds. USB 3 & eSATA are close to the same but but can be hobbled by a slow hard drive.

I would say that eSATA is fastest when transferring data from a SATA3 drive to a SATA3 drive.

As a practicality you need to consider the cost of getting eSATA or USB3 working and what other hardware you have.

See the articles links in the Google search below.

http://www.google.com/search?q=USB+...

See the link below too. eSATA is covered there.

http://en.wikipedia.org/wiki/Serial...



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#14
June 10, 2012 at 05:29:21
You may have more room in your case than you think. You may have an external 3.5" drive spot (floppy) open or even an external 5" drive bay (DVD drive bay) free (using a 3.5" to 5" drive adapter) you may be able to mount your 3.5" hard drive internally in either one of these and use a slightly longer SATA internal cable. This would be the best and if you have not considered this, maybe you should.

You have to be a little bit crazy to keep you from going insane.


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#15
June 10, 2012 at 05:47:59
Good point by Fingers.

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#16
June 10, 2012 at 14:34:30
I'm heading to work tomorrow, so I'll open up the case again and see what ports/spaces there are. Thanks!

caso1992


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