Originally Posted by Hiryuu
Spin speed and access time are not the only factors involved in data transfer rate for a drive, the area density is also important. Therefore it's perfectly within the realms of possibility for a 5400rpm drive to outperform a 7200rpm one IF the 5400rpm one has signifigantly higher area density. I've seen examples of this in desktop machines, notably I have an 18gb 10000rpm SCSI drive that is outperformed by most 7200rpm IDE drives simply because the IDE drives have so much greater area density.
Here's a good example of a drive doing well due to good area density: http://www.pcpro.co.uk/labs/70456/se...uda-72008.html
Thanks for the info, I hadn't considered that. However, I'm still somewhat sceptical of the report showing that the 5400rpm drive was a lot faster than the 7200rpm. If anything, I'd have thought the differences may have resulted in similar, rather than better, performance. If the 5400rpm really is faster then I'd be very annoyed because I originally had an XPS2 order with a 5400rpm disk(placed 16th March) which I cancelled specifically to get a 7200rpm one
. Otherwise, I might have taken delivery of one of the first XPS2s in the UK.
More important, however, is the fact that it seems my new order is in production right now despite the web order status being stuck at pre-prod since last Tuesday. Seems it's not altogether reliable which is a pity.