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	<title>Avinesh's Blog &#187; benchmark</title>
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	<description>Life. Technology. Cars.</description>
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		<title>WD Raptor 74 GB vs VelociRaptor 150 GB</title>
		<link>http://www.avinesh.com/blog/index.php/2009/06/04/wd-raptor-74-gb-vs-velociraptor-150-gb/</link>
		<comments>http://www.avinesh.com/blog/index.php/2009/06/04/wd-raptor-74-gb-vs-velociraptor-150-gb/#comments</comments>
		<pubDate>Fri, 05 Jun 2009 03:58:36 +0000</pubDate>
		<dc:creator>Avinesh</dc:creator>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[benchmark]]></category>
		<category><![CDATA[Raptor]]></category>
		<category><![CDATA[VelociRaptor]]></category>
		<category><![CDATA[wd]]></category>
		<category><![CDATA[western digital]]></category>

		<guid isPermaLink="false">http://www.avinesh.com/blog/?p=202</guid>
		<description><![CDATA[I have been running a Western Digital Raptor 74 (WD740ADFD-00NLR5) on my development PC for a couple of years. Before that, I had an older Raptor, the 740GD-00FLA with 8 MB cache. I never had a problem with either of them, except for the noise. The loud reads and writes by the drives had annoyed [...]]]></description>
			<content:encoded><![CDATA[<p>I have been running a Western Digital Raptor 74 (WD740ADFD-00NLR5) on my development PC for a couple of years.  Before that, I had an older Raptor, the 740GD-00FLA with 8 MB cache.  I never had a problem with either of them, except for the noise.  The loud reads and writes by the drives had annoyed me in the past, and one day I decided it was time for a change.</p>
<p>I had run a Seagate Cheetah before (and a Quantum Atlas before that), but I didn&#8217;t like having thick cables and extra expansion boards in my computer case.  I had also run two 74 GB Raptor&#8217;s in RAID 0 (backed up to a NAS device, of course). Cables. Cable terminators. Expansion boards.  More heat issues to worry about.  In the end, it came down to reliability and speed, and I needed both&#8230; (and before you state SSD&#8217;s, I think I&#8217;ll pass until I see some long-term numbers).</p>
<p>The first thing I noticed about the VelociRaptor was that it was QUIET.  Really quiet.  As quiet as my WD Blue and Black Caviar&#8217;s.  It runs cooler and appears to draw less power as well (and no, you can&#8217;t run it in a notebook).</p>
<p>How does it perform?  I decided to find out.</p>
<p>I used the same test configuration as my <a href="http://www.avinesh.com/blog/index.php/2008/10/24/wd-640-gb-blue-vs-640-gb-black-edition/">previous WD Blue/Black</a> test to maintain some consistency.</p>

<a href='http://www.avinesh.com/blog/index.php/2009/06/04/wd-raptor-74-gb-vs-velociraptor-150-gb/hdtune_benchmark_wdc_wd1500hlfs-01g6u/' title='WD WD1500HLFS-01G6U'><img width="150" height="150" src="http://www.avinesh.com/blog/wp-content/uploads/2009/06/hdtune_benchmark_wdc_wd1500hlfs-01g6u-150x150.png" class="attachment-thumbnail" alt="WD WD1500HLFS-01G6U" title="WD WD1500HLFS-01G6U" /></a>
<a href='http://www.avinesh.com/blog/index.php/2009/06/04/wd-raptor-74-gb-vs-velociraptor-150-gb/hdtune_benchmark_wdc_wd740adfd-00nlr5/' title='WD WD740ADFD-00NLR5'><img width="150" height="150" src="http://www.avinesh.com/blog/wp-content/uploads/2009/06/hdtune_benchmark_wdc_wd740adfd-00nlr5-150x150.png" class="attachment-thumbnail" alt="WD WD740ADFD-00NLR5" title="WD WD740ADFD-00NLR5" /></a>

<p>The numbers speak for themselves <img src='http://www.avinesh.com/blog/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
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		<slash:comments>1</slash:comments>
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		<title>WD 640 GB Caviar Blue vs 640 GB Caviar Black</title>
		<link>http://www.avinesh.com/blog/index.php/2008/10/24/wd-640-gb-blue-vs-640-gb-black-edition/</link>
		<comments>http://www.avinesh.com/blog/index.php/2008/10/24/wd-640-gb-blue-vs-640-gb-black-edition/#comments</comments>
		<pubDate>Sat, 25 Oct 2008 03:47:04 +0000</pubDate>
		<dc:creator>Avinesh</dc:creator>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[640 GB]]></category>
		<category><![CDATA[benchmark]]></category>
		<category><![CDATA[black]]></category>
		<category><![CDATA[blue]]></category>
		<category><![CDATA[corsair]]></category>
		<category><![CDATA[e8400]]></category>
		<category><![CDATA[hd tune]]></category>
		<category><![CDATA[performance]]></category>
		<category><![CDATA[SE16]]></category>
		<category><![CDATA[wd]]></category>
		<category><![CDATA[WD6400AAKS]]></category>
		<category><![CDATA[WD6401AALS]]></category>
		<category><![CDATA[western digital]]></category>

		<guid isPermaLink="false">http://www.avinesh.com/blog/?p=116</guid>
		<description><![CDATA[I&#8217;ve been running the Western Digital 640 GB AAKS (SE16 series) drive in my main system for quite some time now. I was happy with it until I noticed Western Digital had begun showcasing their new Caviar Black series hard drives as the &#8216;fastest 3.5-inch 7200 RPM drive on the market&#8217;. The Caviar Black series [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;ve been running the Western Digital 640 GB AAKS (SE16 series) drive in my main system for quite some time now. I was happy with it until I noticed Western Digital had begun showcasing their new Caviar Black series hard drives as the &#8216;fastest 3.5-inch 7200 RPM drive on the market&#8217;.  The Caviar Black series sport dual processors, 32 MB cache and a five year warranty (vs 16 MB and three years for the Caviar Blue).</p>
<p>Does the WD Caviar Black really live up to the hype?  I hate to say this, but no.  It actually performed <em>slower</em> than my older WD 640 GB AAKS with a single processor and 16 MB cache!</p>
<p>Don&#8217;t believe me?  Take a look below!</p>
<p>Test configuration: Intel Core 2 Duo E8400 @ 3 GHz, 4 GB Corsair XMS2 DDR2-800, Gigabyte P35-DS3L (F8b), Seasonic S12 600W power supply and of course, APC RS 1200VA regulated power.  Operating system: Windows XP Professional w/ SP3.  Both drives were imaged using Ghost 2003 and defragmented using PerfectDisk 2008 Professional.  Software: HD Tune 2.55.  Hard drive 1: WDC WD6400AAKS-00A7B and hard drive 2: WDC WD6401AALS-00L3B.  AAM was confirmed as disabled on both drives using Hitachi&#8217;s Drive Fitness Test.</p>
<p>Each benchmark was run four times.  Time for the benchmarks:</p>

<a href='http://www.avinesh.com/blog/index.php/2008/10/24/wd-640-gb-blue-vs-640-gb-black-edition/hdtune_benchmark_wdc_wd6400aaks-00a7b/' title='hdtune_benchmark_wdc_wd6400aaks-00a7b'><img width="150" height="150" src="http://www.avinesh.com/blog/wp-content/uploads/2008/10/hdtune_benchmark_wdc_wd6400aaks-00a7b-150x150.png" class="attachment-thumbnail" alt="hdtune_benchmark_wdc_wd6400aaks-00a7b" title="hdtune_benchmark_wdc_wd6400aaks-00a7b" /></a>
<a href='http://www.avinesh.com/blog/index.php/2008/10/24/wd-640-gb-blue-vs-640-gb-black-edition/hdtune_benchmark_wdc_wd6401aals-00l3b/' title='hdtune_benchmark_wdc_wd6401aals-00l3b'><img width="150" height="150" src="http://www.avinesh.com/blog/wp-content/uploads/2008/10/hdtune_benchmark_wdc_wd6401aals-00l3b-150x150.png" class="attachment-thumbnail" alt="hdtune_benchmark_wdc_wd6401aals-00l3b" title="hdtune_benchmark_wdc_wd6401aals-00l3b" /></a>

<p>As you can see, the Caviar Black 640 GB doesn&#8217;t perform all that better than the Caviar Blue (SE16) 640 GB.</p>
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