Thermal and Acoustics

Heat and sound are also two very important factors in drive performance especially when considering where they will be used. A loud hard drive that becomes warm very quickly may not be the best choice for home theater PCs or any PC without adequate cooling, and the noise alone could be a bit annoying. Take a look at how each drive performed as far as heat and noise output goes.

Thermal

Drive Operating Temperatures

Drive Operating Temperatures


Acoustics

To measure the sound output of each drive, we have taken decibel readings of each drive at their startup phase as well as the sound output while there is disk activity.

Noise Comparison

When idle, the drive's sound output is barely audible. More specifically, we can't even tell that the drive is on. When actively reading and writing, however, the drive puts out about 55.1 dBA, which is just as loud as the Barracuda 400GB 7200.8.

Real World Tests - Multitasking Performance Final Words
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  • jeffrey - Monday, October 24, 2005 - link

    I agree, the 160gb would have been a good review due to the platter density. The 400gb would have been a good review due to the combination of higher density and higher cache.

    A true Anandtech Quality article needs not only to be a report, but an inquisition.

    Great review idea:
    160gb drive 160gb platters 8mb cache
    400gb drive 133gb platters 16mb cache
    500gb drive 125gb platters 16mb cache

    The way I see it the perfect follow-up is already 1/3 done.
  • Nighteye2 - Monday, October 24, 2005 - link

    Did anyone else notices how the load times in bold print for both Word 2003 and Photoshop CS are not the minimum load times of all drives tested?
  • Lord Zado - Monday, October 24, 2005 - link

    Yeah, I noticed that as well. Was coming here to make that same comment.
  • PuravSanghani - Monday, October 24, 2005 - link

    I got a bit happy with the bold button with the Sox in the World Series! This has been fixed.
  • Lonyo - Monday, October 24, 2005 - link

    It says evaluation version for non commercial use only in the SS of the HD Tach titelbar, are you guys doing osmething illegal?
    I'd call Anandtech a commercial venture :P
  • mongoosesRawesome - Monday, October 24, 2005 - link

    Good eyes.
  • Basilisk - Monday, October 24, 2005 - link

    Last paragraph of article: why on Earth is "cost-effective" linked to M$ Retail Management System Solutions? Or, for that matter, why is "Western-Digital" linked to Yahoo!! Shopping (as opposed to AT Shopping) in a sentence unrelated to pricing? Curiouser and curiouser....
  • KristopherKubicki - Monday, October 24, 2005 - link

    It's some ad thing called intelitext. It sucks. Click here to disable it:

    http://www.anandtech.com/siteinfo.aspx?intelli=y">http://www.anandtech.com/siteinfo.aspx?intelli=y

    Kristopher
  • kd4yum - Thursday, October 27, 2005 - link

    Thanks, Kris
  • Anemone - Monday, October 24, 2005 - link

    I've had dozens of WD drives over the years and only 2 (1 was 10+ years old, the other a 6mo old raptor) have ever gone bad. I've killed several IBM drives and a couple Maxtor's along the way.

    The raptor is really noticeably faster in day to day use than any other drive I've seen in action. The tests really don't tell the entire story. With several of the drives in my systems virus scans have gone from a couple hours down to 20-30min. It's really that noticeable. What I'd like to see on that front however is for WD to up the drive to 148mb, bring us a genuine native NCQ, and SATA II. The last two features just to bring it up to date, since I'm not yet convinced they make a stunning difference in performance. SATA II may be a technology that will serve better when all drives are 10k standard and raptor types are 15k, meaning when the native ability of the drive itself begins to get a bit better.

    Thanks for the detailed review!

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