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HD TACH
The acoustics characteristics of the bare drive are amazing for a drive that's lauded as being the fastest ever for the desktop. To get some verification, HD Tach was run on the sample drive, with and without AAM. The following images pretty much speak for themselves.
Without AAM. Note amazing 7ms random access time.
Click on image to enlarge.
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With AAM. Note 8.5ms random acccess time.
Click on image to enlarge. |
We've never seen higher HD Tach performance numbers (and we've been running them for some time, although not posting the results in many previous HDD reviews). Obviously, the previous gen Raptor comes close, but its acoustics is so far off that most SPCR enthusiasts aren't that interested. The next best high performance drive is also the quietest 7200RPM drive tested, the Samsung F1 1TB reviewed just a few days ago. The HD Tach summary of that drive is posted below. It's very good, but especially for access time, it doesn't even get close.
HD Tach results for the Samsung F1 1TB model. Click on image to enlarge.
COMPARISONS
Here's how the WD VelociRaptor stacks up against many of the rest.
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DRIVE NOISE EVALUATION
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Drive
Mfg date
firmware version
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Vibration
1-10
(10 = no vibration)
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Activity State
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Airborne Acoustics
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Measured Power
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WD VelociRaptor WD3000GLFS
300GB, 10K RPM
15 May 2008
firmware 03.03V01
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9
[in frame]
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Idle
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22 dBA@1m
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3.9 W
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Seek (AAM)
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25 dBA@1m
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5.7 W
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Seek (Normal)
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28 dBA@1m
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6.2 W
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8
[on its own]
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Idle
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19 dBA@1m
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3.9 W
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Seek (AAM)
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20 dBA@1m
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5.7 W
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Seek (Normal)
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23 dBA@1m
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6.2 W
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REFERENCE DRIVES*
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Western Digital Raptor WD1500ADFD
March 2006
firmware 20.07P20
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5
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Idle
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20 dBA@1m
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8.2 W
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Seek (AAM)
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27 dBA@1m
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12.2 W
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Seek (Normal)
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27 dBA@1m
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12.2 W
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Samsung F1 3D
HD103UJ
1TB
February 2008
firmware 1AA01109
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5
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Idle
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21 dBA@1m
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7.0 W
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Seek (AAM)
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22 dBA@1m
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8.8 W
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Seek (Normal)
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22 dBA@1m
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9.9 W
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Seagate Barracuda
7200.11 1TB ST31000340AS
December 2007
firmware SD15
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3
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Idle
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23~24 dBA@1m
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7.8 W
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Seek (Normal)
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24~25 dBA@1m
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11.6 W
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WDl Caviar SE16 500GB WD5000KS
March 2006
firmware 07.02E07
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4
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Idle
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21 dBA@1m
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8.5 W
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Seek (AAM)
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21-22 dBA@1m
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8.6 W
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Seek (Normal)
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23 dBA@1m
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10.7 W
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Western Digital Caviar Green Power 750GB WD7500AACS
October 2007
firmware 01.01B01
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7
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Idle
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19~20 dBA@1m
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3.3~5.9 W
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Seek (AAM)
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19~20 dBA@1m
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5.4 W
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Seek (Normal)
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21 dBA@1m
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6.7 W
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Hitachi Deskstar 7K1000 1TB HDS721010KLA330
June 2007
firmware GKAOA70M
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5
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Low RPM Idle
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20-21 dBA@1m
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3.6 W
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Idle
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24 dBA@1m
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8.5 W
6.2 W (unloaded)
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Seek (AAM)
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24 dBA@1m
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11.7 W
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Seek (Normal)
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26-27 dBA@1m
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15.4 W
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* These drives are references in the sense of previously tested and known entitities to which newly tested products can be compared and contrasted against.
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