Re: Tranfering data from SD card to external drive via Laptop in Road Warriors, Notebooks & Distance http://www.dslreports.com/forum/r20439835 en Fri, 09 Jan 2009 07:23:04 EDT Fri, 09 Jan 2009 07:23:04 EDT Re: Tranfering data from SD card to external drive via Laptop http://www.dslreports.com/forum/remark,20504487 anon : It will be quite slow. Most of the cheapo SD cards transfer at rates slower than 5 mb/sec to an internal hard drive. You can get ones that go near 20 mb/sec.

The good news is, you won't have that much to tranfer as SD cards are only up to 2 gb, and SDHC cards typically around 4 GB these days. It might take 10 - 20 mins total.]]> http://www.dslreports.com/forum/remark,20504487 Mon, 19 May 2008 00:40:45 EDT Re: Tranfering data from SD card to external drive via Laptop http://www.dslreports.com/forum/remark,20439835 weaseled386 : I just want to add a little to what PeteC2 said.

Most Flash Memory readers, even internal, connects by way of an internal USB header. So not only is the SD transfer, most-likely, going to be slower than even a 4,200 RPM hard drive, but it could be painfully slow if the specific USB header isn't USB2.

If I remember correctly, USB1 is around 12MB, USB2 is like 475MB and the upcoming USB3 is something crazy like 5GB. Those numbers are just approximates... not law! ]]> http://www.dslreports.com/forum/remark,20439835 Tue, 06 May 2008 13:01:28 EDT Re: Tranfering data from SD card to external drive via Laptop http://www.dslreports.com/forum/remark,20382611 PeteC2 :
said by ninjatutle See Profile :

I have a 4,200 RPM drive in the notebook. Will the transfer speed be 7,200 to the external drive or 4,200?
? 4200rpm is simply your hard drive's rotational speed...that is not a transfer rate. I do not know where you got the "7,200" from? that is not a data transer rate either.

The data transfer rate is determined by a number of factors...and drive speed is just one aspect of the equation. For example, with two external drives, running at the same speed, same cache, etc., if one is connected via firewire, and the other USB 2.0, the drive connectd via firewire will transfer data faster.

At any rate, ninjaturtle, transfer of data from a SD card is slow enough that I do not think that the rotational spped of your hard drive is going to be very significant.
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...something is happening here but you don't know what it is...do you, Mr. Jones?]]> http://www.dslreports.com/forum/remark,20382611 Thu, 24 Apr 2008 21:49:04 EDT Re: Tranfering data from SD card to external drive via Laptop http://www.dslreports.com/forum/remark,20382154 johnsea66 : It would got at 7200 speeds, however the SD card it most likly slower than even a 4200 RPM drive. ]]> http://www.dslreports.com/forum/remark,20382154 Thu, 24 Apr 2008 20:15:20 EDT Tranfering data from SD card to external drive via Laptop http://www.dslreports.com/forum/remark,20361164 ninjatutle : I have a 4,200 RPM drive in the notebook. Will the transfer speed be 7,200 to the external drive or 4,200?]]> http://www.dslreports.com/forum/remark,20361164 Mon, 21 Apr 2008 01:04:37 EDT