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USB 2.0 slow transfer speed

Turner · 2010-06-08 17:30:46

Transferring a 6gb file from external hdd to usb memory stick I am only getting 4mb/sec. Surely this should be faster with USB 2.0 I thought it would be 20+ mb/sec System Windows 7 Dual core AMD Athlon both file systems are ntfs. Edit: If i transfer the file from the external (usb) hard drive to my C: drive I am getting…

08-06-2010 6:30pm

#1

Turner

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Transferring a 6gb file from external hdd to usb memory stick I am only getting 4mb/sec.

Surely this should be faster with USB 2.0 I thought it would be 20+ mb/sec

System
Windows 7
Dual core AMD Athlon
both file systems are ntfs.

Edit: If i transfer the file from the external (usb) hard drive to my C: drive I am getting 28mb/sec.

Why not to the usb memory stick??

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#2 08-06-2010 7:00pm

vestanpance

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It depends on the USB stick. There was one on sale in Tesco recently that had write speeds of about 10mb/secs. I've had one that would only hit 3-4 mbs/sec, it's a ball ache to transfer anything big.

http://www.boards.ie/vbulletin/showpost.php?p=66072840&postcount=24

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#3 08-06-2010 8:01pm

Turner

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Did a bench mark with the same program.

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#4 08-06-2010 8:44pm

ressem

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Most garden variety usb memory sticks can't write at anything like the speed of a hard drive. 4 MB /sec isn't unusual.

Recent discussion at
http://www.boards.ie/vbulletin/showthread.php?t=2055925020

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#5 08-06-2010 10:31pm

RolandIRL

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write speed is always slower than read speed. the 28MB/sec is the read speed (it's going from the hard drive.) 4MB/sec is about right for the write speed (onto the usb stick).

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#6 08-06-2010 10:41pm

xsiborg

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Hi Chief,

this is a known issue in windows 7, i had it myself, specifically with an nVidia chipset which is what i reckon you have, along with 4GB ram. i had to switch from windows 7 x64 to windows 7 x32 because the drivers even ethernet drivers are more stable on win7 x32, my fingerprint reader (connected via USB bus) no longer goes ga-ga, also gone are the choppy bluetooth connections i was getting on x64 (bluetooth on usb bus again)...

http://windows7professional.wordpress.com/2010/02/06/windows-7-usb-transfers-slow/

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#7 08-06-2010 10:50pm

Voodu Child

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xsiborg wrote: »

Hi Chief,

this is a known issue in windows 7, i had it myself, specifically with an nVidia chipset which is what i reckon you have, along with 4GB ram.

In this case its nothing to do with Windows 7.

The OP is getting about 17MB/s read, 4MB/s write. That's perfectly normal for a basic thumbstick.

You can get faster but you'll pay for it, Corsair Flash Voyager GTR for example.

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#8 08-06-2010 10:56pm

RolandIRL

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i've win7 x64 and i've no problem with read/write speeds. i'm getting about 28MB/s read and 7MB/s write. if you want to speed up copying, use TeraCopy. it queues the copying, rather than do it all together. really handy app.

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#9 08-06-2010 11:12pm

Amalgam

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Can I take a guess, those figures look like classic 'New Sandisk' budget USB thumb drives.

These fellows..

They are achingly predictable. 4MB write.

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