In light of Newegg's AM sale on the 750GB caviar black, I'm now considering two of those in RAID rather than one 1TB caviar black. At an additional $35 for only 75% of the space, what added performance can I expect from a RAID setup compared with a single drive?
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Black WDs are not recommended for RAID, they have timeout circuitry to fix errors (which is nice on a single drive), but can cause RAID to drop. You want the WD RE3 series for RAID. The 750GB at Amazon is $93, way cheaper than Newegg's $129.
thanks for the heads up -- i'll likely wind up with a single 1TB black as it is, but the $65 price for the 750 seemed ok if there was significant benefit ... $93 for the RE3 series x2 is much more than i want to spend