how to select a HDD

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Abhishek1025

Abhishek1025

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Latest hard drives (internal) hav many factors to b considered like rpm,transfer rate,rpm etc..and even hybrid drives,SSD! :-O
need to buy a 1TB hdd, anybody suggest me what factors to b considered before buying a HDD ! seagate has been good for me, what abt WD?
 
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I agree with all the answers above. One other factor - Cache size on the HDD. More cache tends to speed up average HDD performance, within limits. 8 GB is too small, 16 GB is minimum, 32 GB will do very well, 64 GB marginally better. Don't get fooled, though, by a 5400 rpm "green" type drive with a 64 GB cache. The slower drives often are sold with larger caches just to help offset their natural slightly slower performance.

I don't know what prices are like where you are. If you can afford it, a 2 TB unit is often a better deal that 1 TB per GB of space. The extra space might come in handy for large CAD projects and some games. Over 2 TB is usually more costly, and there are some technical issues around them you may not want to handle.
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Jaxem

Jaxem

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you'll want a 7200 RPM for the speed, the hybrids just speed up boot a little bit, they don't have enough cache space to do much else. I usually just buy whatever the cheapest of the brand name 7200's i can find, usually seagate or WD. WD has better warranties, but i've never had either crap out on me.
 
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Abhishek1025

Abhishek1025

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hmm! thanks, but what abt transfer rate, GBps! i have an Asus Z68vpro! supports 3/6GBps transfer rate! :)
 
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Jaxem

Jaxem

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Many of the newer HDD's are sata 3 'certified', but a HDD can't even get close to saturating sata 2 bandwidth, so i wouldn't worry about that at all. I have a sata 3 and sata 2 HDD, and the sata 2 is actually faster.
 
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Abhishek1025

Abhishek1025

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thats nice! thank u!
 
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Paperdoc

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I agree with all the answers above. One other factor - Cache size on the HDD. More cache tends to speed up average HDD performance, within limits. 8 GB is too small, 16 GB is minimum, 32 GB will do very well, 64 GB marginally better. Don't get fooled, though, by a 5400 rpm "green" type drive with a 64 GB cache. The slower drives often are sold with larger caches just to help offset their natural slightly slower performance.

I don't know what prices are like where you are. If you can afford it, a 2 TB unit is often a better deal that 1 TB per GB of space. The extra space might come in handy for large CAD projects and some games. Over 2 TB is usually more costly, and there are some technical issues around them you may not want to handle.
 
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