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Old Nov 29, 2010, 09:40 AM   #1
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Average harddrive transfer rate speed?

Well Windows 7 lets us see the transfer speeds of any file we should care to move around or copy and now it's got some of us wondering if
the speeds are too fast or slow. Well, me anyway. Foolish as I am about drives & their speeds. One tech thing I never looked into too much.

I have a Seagate 640Gb SATA II drive with a 16Mb cache, when I copy large files/folders & check the transfer speed, it's usually around
25-35mb/second, what I want to know is, is that about right? Should it be closer to 50-75? It's probably just paranoia, but having the
ability to see the transfer rate has gotten me curious about all this and I can't seem to find any "you're speed should be about...***" type posts.
Thanks in advance fellas. Boy this question feels noobish.
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Old Nov 29, 2010, 01:22 PM   #2
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Re: Average harddrive transfer rate speed?

There are other factors affecting the transfer speed. One of the main ones is if you have made sure (jumpers) that the drive is in SATA II mode (and if the mainboard supports it)

A good way to test it is to use the program HD Tune.

I have an old Maxtor 500GB drive, SATA II, according to the program it supports UDMA mode 6 but active is 5.
Speed test (it needs a defrag) is, Max 109.3 MB/sec Min 36.7 MB/sec and Average 82.8 MB/sec
Burst 130 MB/sec, Access Time 14ms, CPU Usage 2.8%

If I closed a few programs and actually defraged, I might got a few better numbers, but it should give you an idea.

This with HD Tune 2.55 Go and download the latest version and see what it says.
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Old Nov 29, 2010, 04:35 PM   #3
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Re: Average harddrive transfer rate speed?

There are other factors than just your hardware in file copy times. Vista was slated at its launch for being really, really slow at this compared to otherwise identical XP systems.
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Old Nov 29, 2010, 09:14 PM Threadstarter Thread Starter   #4
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Re: Average harddrive transfer rate speed?

Quote:
Originally Posted by BlueMak View Post
There are other factors affecting the transfer speed. One of the main ones is if you have made sure (jumpers) that the drive is in SATA II mode (and if the mainboard supports it)

A good way to test it is to use the program HD Tune.

I have an old Maxtor 500GB drive, SATA II, according to the program it supports UDMA mode 6 but active is 5.
Speed test (it needs a defrag) is, Max 109.3 MB/sec Min 36.7 MB/sec and Average 82.8 MB/sec
Burst 130 MB/sec, Access Time 14ms, CPU Usage 2.8%

If I closed a few programs and actually defraged, I might got a few better numbers, but it should give you an idea.

This with HD Tune 2.55 Go and download the latest version and see what it says.

Hmm, I have everything shut off, it's a clean boot and I don't think my
drive needs defragging, I think it told me it didn't need it when I tried
recently. This is the most I get. The average of 89.7 sounds terrific, but
I never actually see those speeds when I'm copying files or anything.
Or if I do, Win7's reading wrong & telling me it's 30 or so.

Is there a way to tell if I have the jumpers right on the drive from Windows?
It's not too hard to get at the drive but if I could do without opening the case
up and fumbling around trying to get the drive out, I'd prefer it that way. lol
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Old Nov 29, 2010, 11:02 PM   #5
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Re: Average harddrive transfer rate speed?

Not sure how accurate it is, but click on info, what does it show there?
Here is mine.

The only 100 % certain way would be to open the case remove the hard drive and see on it which jumper configuration is the correct one for SATA 2 and what is the actual jumper configuration on it.
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The people who are regarded as moral luminaries are those who forego ordinary pleasures themselves and find compensation in interfering with the pleasures of others(Bertrand Russell)"You go into Afghanistan, you got guys who slap women around for five years because they didn't wear a veil,You know, guys like that ain't got no manhood left anyway. So it's a hell of a lot of fun to shoot them." - Lt. Gen. James N. Mattis
This is slavery, not to speak one's thought. [Euripides-The Phoenician Women (c.411-409 B.C.)] http://www.macedonia.info/FALLACIESANDFACTS.htm
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Old Nov 30, 2010, 05:25 AM Threadstarter Thread Starter   #6
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Re: Average harddrive transfer rate speed?

Quote:
Originally Posted by BlueMak View Post
Not sure how accurate it is, but click on info, what does it show there?
Here is mine.

The only 100 % certain way would be to open the case remove the hard drive and see on it which jumper configuration is the correct one for SATA 2 and what is the actual jumper configuration on it.
Hell, on mine Standard, Supported, and Active are all blank. What's that mean?
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Old Nov 30, 2010, 05:36 AM   #7
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Re: Average harddrive transfer rate speed?

how many drives do you have in your system? if its only the one, and you are copying the files from one portion of it to another, even another partition, the drive will be reading and writing to itself. Copying to a 2nd drive will have better results.
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Old Nov 30, 2010, 10:46 AM   #8
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Re: Average harddrive transfer rate speed?

Quote:
Originally Posted by M0nk3m4n View Post
Hell, on mine Standard, Supported, and Active are all blank. What's that mean?
I have no idea. You might want to check any official hdd tune official forum or support email. (I don't know if there is one)
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The people who are regarded as moral luminaries are those who forego ordinary pleasures themselves and find compensation in interfering with the pleasures of others(Bertrand Russell)"You go into Afghanistan, you got guys who slap women around for five years because they didn't wear a veil,You know, guys like that ain't got no manhood left anyway. So it's a hell of a lot of fun to shoot them." - Lt. Gen. James N. Mattis
This is slavery, not to speak one's thought. [Euripides-The Phoenician Women (c.411-409 B.C.)] http://www.macedonia.info/FALLACIESANDFACTS.htm
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Old Nov 30, 2010, 04:02 PM   #9
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Re: Average harddrive transfer rate speed?

keep in mind..


copying files from the same drive to a different location will more then cut your speeds in half as it reads and writes..

moving files should be a snap unless transfering to a different partition.

Windows 7 doesn't exactly have the most accurate reading ever.

if you want to do a real world test.... take a large say 1gb or 4 gb file.... (a single file, not many) and copy it.

If you copy and paste that file from the same drive and same partition, your data transfer speed should about about 2/5ths the speed it's rated for.

Even the 640gb 64mb cache SATA III WD blacks i've got generally show up as 15-50mb/s on direct transfers.

and i've a USB flash drive that has shown a 60MB/S transfer rate when the bus speed is limited to a maximum of 30mb/s under perfect conditions.

You need exceptionally large files to get anything remotely accurate.

And another thing, MANY small files, for example email messages, being moved about don't move very quickly.....
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Old Dec 3, 2010, 04:51 AM Threadstarter Thread Starter   #10
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Re: Average harddrive transfer rate speed?

Aha, well the way these posts are making it sound, there's not really any problem
with my drive's speeds, nor is there really an average speed for any hard drives. D'oh.
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