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Re: Replacement disk for laptop

Subject: Re: Replacement disk for laptop
From: "Synapse Syndrome"
Date: Mon, 10 Nov 2008 11:56:49 -0000
Newsgroups: uk.comp.homebuilt
Martin Slaney <[email protected]> wrote:
> > > Need more space!  Is there any reason (battery usage, noise, heat...) 
> > > not to go for a 7200rpm model rather than 5400?
> >
> > It's reasonable to expect a 7200rpm 2.5" drive will have higher power 
> > consumption (therefore reducing battery life in a laptop and making
> > more  heat) and will at best be no quieter.
> Like you say a reasonable assumption, but ...
> > However, this ignores the fact that you are presumably interested in 
> > comparing a *new* 7200rpm drive and an *old* 5400rpm drive. For
> > example,  from what I've seen, it is quite possible that at least the
> > idle power  of a new 7200rpm drive will actually be lower than your
> > current drive.
> I found my Hitachi 60GB 7200 drive is - if anything cooler (and quieter)
> - and noticeably snappier than the 40GB 5400 it replaced. Guess its just a 
> more advanced design. But I'm not sure if those disks are still available 
> new ... doubt it.
> There is/was a range of 2.5" 7200 disks designed for thin/blade servers 
> (used as arrays of some kind) - now these may well have different 
> power/heat characteristics (did these ever get made in PATA flavour ?)
> ... so watch out for those if delving into ebay/aftermarket etc.
> If your looking at Hitachi, the laptop-designed ones would have the name 
> "Travelstar" ...

And the Travelstars with an E at the front of the model name are actually 
designed for servers, as you mentioned before.


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