Am Donnerstag 27 Oktober 2011, 13:09:17 schrieb Nikos Chantziaras: > On 10/27/2011 11:15 AM, Dale wrote: > > Howdy, > > > > I'm wanting to get a hard drive that is pretty good size. I'm looking > > for about 1 to 2TBs or so. Thing is, a lot of them seem to be 5900 or > > even 5400 rpm drives. I realize that the data on there is packed pretty > > tight so I want to ask a few people that may have one or more of these > > things a few questions. Are they as fast as a slower RPM drive? > > I assume you meant to say "as fast as a faster RPM drive". No, of > course not. If we're speaking about the same capacity and amount of > platters, of course. If we're not, then yes, they can be as fast > because of the higher data density. > > > Would > > they be fast enough to play HD videos and such? I have quite a few 1080 > > HD videos. I don't want the drive to cause issues. > > The transfer speed required for playing HD videos is virtually zero. > 1080p video compressed using an 8mbps rate require 2MB/s. This can be > done even with the slowest drive from 10 years ago. Today's slowest > drive are able to play about 40 or 50 of those HD video simultaneously. > So the answer is yes. They can play HD video :-) > > Most of those 5900/5400 disks are meant for pure data storage. The > lower RPM is used to market them as "green and silent", meaning they > don't consume much power and aren't noisy. Installing your OS on them > though isn't going to give you good speed. They have good transfer > rates, but their access times usually suck. > > > Can someone that has one or more of these post their hdparm -Tt results? > > Different speeds would be great too. I'd like to compare what a 5400rpm > > drive would do compared to a 7200rpm drive. > > Simply Google around for benchmarks of the drivers you're interested in. > Note that is in area where it doesn't make any real difference that > the benches or reviews you find are performed under MS Windows. The > results are applicable to every OS. > > As a rule of thumb when buying drives: if you want to install software > on it, buy an 7200RPM drive with good access times. Of course they're > more expensive If you just want to store all your downloaded HD porn > and music collection on it, a silent 5400RPM drive is a good choice. >
indeed. Additionally they don't get really warm. Which reduces the overall thermal load in the case. One important thing: most if not all 2TB drives have 4K sectors, which means you have to be carefull while partitioning those beasts. -- #163933
