USB Transfer Rate

Dell / Optiplex gx270...
May 14, 2009 at 13:26:22
Specs: Microsoft Windows XP Professional, 2.792 GHz / 1022 MB
How long should transferring 1Gb on a USB
2.0 Full Speed port take? How much for High-

Manufacturer: Dell computer corporation
Model: Optiplex gx270
OS: Microsoft Windows XP Professional CPU/Ram: 2.793 GHz / 1022 MB
Video Card: ATI Radeon 9600 Pro (128mb)

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May 14, 2009 at 14:37:13

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May 14, 2009 at 16:16:26
This sounds like homework but I will answer anyway. USB 2.0 has a theoretical transfer rate of 480Mbits/sec which = 60MBytes/sec. In actual tests you will get far less than that. I just ran a test. 144MB file to a USB 2.0 flash drive. Transfer took 1 minute and 15 seconds. That equates to about 9 minutes for 1GB of data.

That comes out to about 14MB/sec.

Below is a link on flash drive reviews.

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