How fast are external hard drives?

The external hard drives spins just as fast as internal drives, but the speed of data transfer is only as fast as the USB technology can handle which is around what?

Data Transfer Rate:

Interface capable of = 480Mbps
Maximum data transfer = 35MB/s
 
externals spin at the same speed but the transfer will be a lot worse depending on what connection you use. USB 1.0, USB 2.0, firewire etc.
 
i have an external sata driver, going to an eSATA (thats external Sata) port, and it transfers just as fast as any SATA drive.
 
i can relate to some saying that the Raptor drives are fast drives, i would like to tweak my own old hd's by turning up the drive motor manually, if it does'nt work it's ok...i plan to replace them soon, they are only used for playing games anyway.
 
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