Western Digital 320 GB,Internal,7200 RPM,3.5" (S6470392) Hard Drive Reviews

Western Digital 320 GB,Internal,7200 RPM,3.5" (S6470392) Hard Drive

4 ratings (1 Epinions review)
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Perfect Compromise

Oct 3, 2009
Review by  
Rated a Helpful Review

Pros:Quiet, Quick, Energy Efficient, relatively cheap

Cons:Wasn't free or have larger capacity

The Bottom Line: If you want a hard drive for an everyday user who doesn't need the top end technology then give this a try.


When choosing between Western Digital drives it's important to note the colors because they denote which class it falls into:

-Black for maximum power and performance for the power users.

-Green for the eco friendly users which runs quieter, consumes the least power, but is slower.

-Blue which is a compromise between the Black and Green.

The specs for this particular drive are:
SATA 3.0Gb/s
320GB (298 GB useable)
7200 RPM
8MB Cache
8.9ms Seek Time
10.9ms Write Time

It's amazingly quiet and quick. This 7200 RPM SATA 3.0 drive runs noticeably quicker than my old 200 GB 7200 RPM EIDE drive with much less noise. I didn't expect the switch from IDE to SATA to be that noticeable but I've connected both to my computer and the difference in access times are noticeable when doing large transfers but other than that I doubt most people notice a difference and it could be due to other optimizations in the hard drive.

Seek times are in the milliseconds and cache size makes a difference but again it's not a mind blowing difference. The main factor is rotational speed which is measure in Revolutions per minute (RPM). At equal RPM's I'm still seeing a slight difference in performance but a big difference in noise.

I'm running Windows 7 which has a feature called "Windows Experience Index" which runs built in bench marks and assigns a subscore from 1.0 - 7.9 for different components. The Primary hard disk is scored on Disk data transfer rate and this drive scores a respectable 5.9 on my current setup.


Recommend this product? Yes


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