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-   -   [Question] About USB 3.0 (https://www.revscene.net/forums/638356-%5Bquestion%5D-about-usb-3-0-a.html)

ime2006 02-22-2011 11:42 AM
[Question] About USB 3.0
 
I need to transfer a lot of big ass files into External drive.
Mostly, 25~50gb per folder.


I m thinking of USB 3.0

Couple Questions I have here,
1. Does USB 3.0 use the same Cable as USB 2.0 ??
2. Is it sable so far ? (cuz USB 3.0 came out not even a year yet.)

Jsunu 02-22-2011 12:11 PM
Do you have a mother board that supports usb 3.0? You need that and a new cable to achieve those higher speeds.

Manic! 02-22-2011 12:14 PM
USB is the same cable.

InvisibleSoul 02-22-2011 12:17 PM
Quote:
Originally Posted by Manic! (Post 7315316)
USB is the same cable.
No, it's not.

http://www.maximumpc.com/article/fea...d_cable_photos

Jsunu 02-22-2011 12:19 PM
Quote:
The beauty of USB 3.0 is its backward compatibility with USB 2.0; you need a new cable and new host adapter (or, one of the Asus or Gigabyte motherboards that supports USB 3.0) to achieve USB 3.0, but you can still use the device on a USB 2.0 port and achieve typical USB 2.0 performance. In reducing some overhead requirements of USB (now, the interface only transmits data to the link and device that need it, so devices can go into low power state when not needed), the new incarnation now uses one-third the power of USB 2.0.
http://www.pcworld.com/article/18656...y_arrives.html

gars 02-22-2011 12:51 PM
Is this a one off transfer? or is this something you have to do on a regular basis?

valent|n0 02-22-2011 01:04 PM
will a 2.5 sata Harddrive (5400RPM) will have advantage when put in USB3.0 enclosure (if they exist)

InvisibleSoul 02-22-2011 02:05 PM
Quote:
Originally Posted by valent|n0 (Post 7315367)
will a 2.5 sata Harddrive (5400RPM) will have advantage when put in USB3.0 enclosure (if they exist)
They exist.

If you're running a USB3.0 setup, you should get faster speeds than a USB2.0 setup because the bottleneck is the USB2.0 interface, not the hard drive's ability to read/write data.

That's why eSATA is also better than USB2.0.

gars 02-22-2011 03:14 PM
that said - 7200 drives will have a faster access time than 5400 drives - so I think you will see a difference should you be transferring a lot of small files. But if you're transferring one LARGE file, then you won't see a difference between the two.


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