Over the past few weeks I've bought a handful of Western Digital 500GB hard disks for various clients to use as rdiff-backup targets and also for use with mythtv at home. As a kind of might-be-interesting exercise, I kept an eye on hard disk prices at my local CPL to see if there might be more or less opportune moments to buy disks.
The prices used in the price per GB calculation are for the cheapest SATA model of a specific size.
The resulting graph is mainly unsurprising:
However, it is a bit odd that Seagate disks went up in price between February 10 and March 3. And interestingly, the sweet spot for Western Digital moved from 320GB to 500GB around February 18 and to 750GB two weeks later, whilst for Seagate it's still at 320GB.
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