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Western Digital 4TB external HD Speed and time test

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  • Jan 2nd, 2016 7:32 am
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Deal Addict
Jul 20, 2003
1006 posts
85 upvotes
Toronto

Western Digital 4TB external HD Speed and time test

Hi there,

I'm curious as to what speeds and the time it takes to copy roughly 30GB of data from a MicroSD Card, to a Western Digital 4TB external drive

This is what i get from copying a MicroSD card, with 29.6GB of files to a WD 4TB DRIVE, filled with mostly pictures and few movie files

First test
with 29.6GB from Micro SD card
Times: 50 min
Speed: 10501720 Bytes/sec
Speed: 600.913 MegaBytes/min

2nd Test with 2.724GB from Micro SD card
Times: 5 min
Speed: 9300080 Bytes/sec
Speed: 532.154 MegaBytes/min
5 replies
Deal Addict
Aug 20, 2007
1983 posts
794 upvotes
Kitchener
It would depend on what type of port your drive is plugged into, ie USB 2 or USB 3. In addition, the speed would be limited to the cards read speed as well.
Deal Addict
User avatar
Feb 23, 2007
1662 posts
560 upvotes
Toronto
It seems slow even for usb 2 speed. Could be your microsd card that is slow.

Try copying from microsd to your internal hard drive -- measure that speed
And then internal hard drive to external hard drive -- measure that speed.

If your external hard drive is USB3, it should peak at around 130 MB/s.

I'm assuming your internal hard drive shouldn't be the bottle neck.
Deal Expert
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Mar 25, 2003
17147 posts
5655 upvotes
Markham
if your micro sd card read speed is slow. That is your bottle neck
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Deal Expert
Aug 22, 2006
31271 posts
17295 upvotes
I originally read that as 600MB/s
I was like all my wat.
Then I reread it and realized it's basically 10MB/s
USB2 is faster than that. SD card is choking things.
Deal Guru
Dec 10, 2004
13194 posts
7650 upvotes
Kanata
It could also be the sd card reader that is slow.
The HDD should be able to perform faster, even on a USB 2.0 interface.

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