![]() ![]() Currently 64MB is pretty average however if you wait another year or maybe two then this will change over to 8 or 16GB of NAND memory - which will increase performance by an order of magnitude or so.Ĭurrently using this kind of thinking, I came to the conclusion that the Seagate 3TB, 7200RPM, 3-platter, 64MB Cache, SATAIII drives for between $110 and $130 are the optimal models to select.įor large files over about five or six hundred kilobytes, I get between 170 to 210MB/s with a single drive, 420 to 500MB/s on a 2-drive RAID0, and about 100MB/s added to that for each drive I add to the RAID stripe.I guess the fastest commonly available interfaces right now are SATA III with a large buffer. ![]() Platter density currently is up to 500GB per surface or 1TB per disk.Number of platters is a little less critical but shoot for 3 or less if you can.The fastest spindles commonly available in large (over 1TB) capacity units is like 7200RPM.I guess everyone already knows all that but just in case some n00bs arrive here I thoughI would write it out. If an 80TB drive came out tomorrow you could just plug it in and go.Īs far as what capacity to choose there are a few things to consider:Īssuming you're after performance you want fast spindle speeds, as few platters as possible, the highest density possible, the fastest interface possible, and the largest buffer. ![]()
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