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echo: os2hardware-l
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from: Ed Durrant
date: 2005-11-25 22:18:02
subject: [OS2HW] SATA Vs PATA Vs USB 2.0 Harddisks

Hi,

   What are the comparitive speeds of a 7200RPM drive (say 100GB 
capacity) using these three interfaces - I realise USB 2.0 will be the 
slowest, but is SATA slower than PATA (ATA 100 EIDE) ??

   I need to take an image backup of over 45GB of data so I'm looking to 
see which will be the fastest. I'll be adding an adapter card into the 
system as it's a SCSI box (the cdrom interface is not accessible), so 
the question is should I get an EIDE ATA PCI interface card, a USB 2.0 
PCI card (I already have an external USB 2.0 cased drive), or a SATA PCI 
card (ideally with an external socket) ?

   Transfer speed is the question here. The USB 2.0 and perhaps the SATA 
interface to an external drive, will be most convienient however if PATA 
is still the fastest, I'll run the system with the lid off if I need to.

Cheers/2

Ed.


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