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Am Donnerstag 27 Oktober 2011, 13:09:17 schrieb Nikos Chantziaras: |
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> On 10/27/2011 11:15 AM, Dale wrote: |
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> > Howdy, |
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> > |
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> > I'm wanting to get a hard drive that is pretty good size. I'm looking |
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> > for about 1 to 2TBs or so. Thing is, a lot of them seem to be 5900 or |
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> > even 5400 rpm drives. I realize that the data on there is packed pretty |
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> > tight so I want to ask a few people that may have one or more of these |
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> > things a few questions. Are they as fast as a slower RPM drive? |
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> |
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> I assume you meant to say "as fast as a faster RPM drive". No, of |
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> course not. If we're speaking about the same capacity and amount of |
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> platters, of course. If we're not, then yes, they can be as fast |
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> because of the higher data density. |
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> |
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> > Would |
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> > they be fast enough to play HD videos and such? I have quite a few 1080 |
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> > HD videos. I don't want the drive to cause issues. |
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> |
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> The transfer speed required for playing HD videos is virtually zero. |
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> 1080p video compressed using an 8mbps rate require 2MB/s. This can be |
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> done even with the slowest drive from 10 years ago. Today's slowest |
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> drive are able to play about 40 or 50 of those HD video simultaneously. |
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> So the answer is yes. They can play HD video :-) |
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> |
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> Most of those 5900/5400 disks are meant for pure data storage. The |
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> lower RPM is used to market them as "green and silent", meaning they |
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> don't consume much power and aren't noisy. Installing your OS on them |
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> though isn't going to give you good speed. They have good transfer |
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> rates, but their access times usually suck. |
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> |
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> > Can someone that has one or more of these post their hdparm -Tt results? |
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> > Different speeds would be great too. I'd like to compare what a 5400rpm |
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> > drive would do compared to a 7200rpm drive. |
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> |
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> Simply Google around for benchmarks of the drivers you're interested in. |
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> Note that is in area where it doesn't make any real difference that |
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> the benches or reviews you find are performed under MS Windows. The |
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> results are applicable to every OS. |
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> |
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> As a rule of thumb when buying drives: if you want to install software |
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> on it, buy an 7200RPM drive with good access times. Of course they're |
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> more expensive If you just want to store all your downloaded HD porn |
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> and music collection on it, a silent 5400RPM drive is a good choice. |
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> |
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indeed. Additionally they don't get really warm. Which reduces the overall |
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thermal load in the case. |
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One important thing: |
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most if not all 2TB drives have 4K sectors, which means you have to be |
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carefull while partitioning those beasts. |
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-- |
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