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2.5" vs 3.5" drives

post #1 of 9
Thread Starter 
I was considering in upgrading my computer's hard drive to one of the new Momentus XT 750GB ones though as far as a hard drive goes, what are the performance gains of using a 3.5" 7200rpm hdd vs a 2.5" 7200rpm hdd?
post #2 of 9
Probably minimal performance gains. 2.5" are generally better power savers though, ment for mobile computing - still work in desktops though.
    
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post #3 of 9
I'd grab a SSD if you wanted a upgrade in speeds...those Momentus drives aren't worth it to me.
post #4 of 9
Thread Starter 
The main reason why I wanted to go for the momentus drive is because it's still a 750GB hard drive and my current 7 year old WD 320GB 5400 rpm drive is almost full of steam games.
post #5 of 9
I personally would go with something that has more space, perhaps augmenting your storage with a second drive. In any case, I personally avoid Seagate, had nothing but trouble from their drives. I can't think of any advantage with going for a 2.5" hard drive beyond physical space, though a disadvantage would be price when compared to a same size and speed 3.5" hard drive.
post #6 of 9
Thread Starter 
I currently have 2 seagate momentus 7200.4 500GB drives (one in my current NES build, the other in a ps3) and have never had issues with them. Back when I got them they were amongst the top rated 7200rpm 2.5" drives on Newegg.
As for the momentus XT, it seems more of an inexpensive package that would perform better than a regular hard drive for simple things like opening up chrome, outlook, excel, etc. as well as offer more space for games. Also it would consume a lot less power and since this computer is powered on 24/7 it matters.
post #7 of 9
I'd grab a SSD if you wanted a upgrade in speeds...those Momentus drives aren't worth it to me.
g.gif
post #8 of 9
Depends on the application. In laptops they are great alternatives to SSDs because most of the time you only have one HDD slot and using a SSD will be lacking in size. Personally I have one in my laptop and find that it's performance for the most part sits right smack between fast 7.2k rpm 2.5 drives and ssds.

In a desktop when its possible to use 3.5 drives and a SSD at the same time this negates the space issue. If you are planning to create another build like your NES one where space matters I would recommend it.
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post #9 of 9
Quote:
Originally Posted by IvantheDugtrio View Post

]As for the momentus XT, it seems more of an inexpensive package that would perform better than a regular hard drive for simple things like opening up chrome, outlook, excel, etc. as well as offer more space for games. Also it would consume a lot less power and since this computer is powered on 24/7 it matters.
For games, a 3.5" 7200RPM drive will outperform the Momentus XT. The XT relies on its caching for speed. Most games aren't going to fit into cache, and by the time they enter cache they'll also be in RAM. (ergo, no benefit over a regular drive)

A regular drive on the other hand has numerous benefits over a Momentus XT. Access times should be about 70% of the XT's (much lower, which is good) - also, sequential speeds will be about 50% higher. Power usage is a wash - the Momentus XT has to power extra NAND, a more powerful controller, etc. - it's going to be between a regular 7200RPM laptop drive and a regular 7200RPM desktop drive.

I personally would just go for a large desktop drive. The Momentus XT's niche is single-bay laptops. In a desktop you're better off going with an SSD+HDD, or even two HDDs.
     
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