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Whats the difference between these two hdd's?

post #1 of 7
Thread Starter 
Like the title says, here they are:

http://www.seagate.com/www/en-us/products/desktops/barracuda_xt/#tTabContentSpecifications

http://www.seagate.com/www/en-us/products/desktops/barracuda_hard_drives/#tTabContentSpecifications

I mean they are both 7200 rpm, have the same seek time, ave latency, cache size and sata interface. So whats the difference? Why is the XT so much more expensive?

Thanks in advanced.
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post #2 of 7
No idea why the XT drive is more expensive other than it purports to be best for high end gaming. The non XT drive would appear to be quicker by a few Mb/s looking at the datasheets.

Personally I havent had a great experience with Seagate and switched to Western Digital caviar blacks a few years ago.
post #3 of 7
I think the XT has an extended warranty, a 5 year plan over a 2 year plan
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post #4 of 7
Quote:
The max sustained data transfer rate for the ST32000641AS is 138MB/s, whereas the eqivalent spec for the ST2000DM001 is 210MB/s.


http://www.tomshardware.co.uk/forum/277509-14-difference-seagate-barracuda-normal-version
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post #5 of 7
The xt's lower avg wattage longer over all life.
post #6 of 7
Looks like the XT has a lower failure rate and is heavier, while the other has very slightly better random read/write access times. the density on the XT is lower then the other as well, despite both being 3TB.

Want my guess? the XT is a 3-platter and the other is a 2-platter. Take that how you may.
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post #7 of 7
Quote:
Originally Posted by KyadCK View Post

Looks like the XT has a lower failure rate and is heavier, while the other has very slightly better random read/write access times. the density on the XT is lower then the other as well, despite both being 3TB.

Want my guess? the XT is a 3-platter and the other is a 2-platter. Take that how you may.
Not quite. The OP asked about 3TB models - the 3TB XT is 4 or 5 platter (originally 5, now 4?), and the other is 3 platter.

The XT has more intelligent firmware, so for an operating system it matches the newer cheaper drive in performance, but still has a better warranty. For storage or as a dedicated games drive, you would want the newer cheaper one.
     
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