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These recordings were made with a high resolution, lab quality, digital recording
system inside SPCR's own 11
dBA ambient anechoic chamber, then converted to LAME 128kbps encoded MP3s.
We've listened long and hard to ensure there is no audible degradation from
the original WAV files to these MP3s. They represent a quick snapshot of what
we heard during the review.
These recordings are intended to give you an idea of how the product sounds
in actual use one meter is a reasonable typical distance between a computer
or computer component and your ear. The recording contains stretches of ambient
noise that you can use to judge the relative loudness of the subject. Be aware
that very quiet subjects may not be audible if we couldn't hear it from
one meter, chances are we couldn't record it either!
The recordings start with 5 to 10 seconds of ambient noise, then 10 second
segments of the drive in the following states: idle, seek with AAM enabled (if
applicable), and seek with AAM disabled (if applicable).
Seagate Momentus 7200.4 500GB - We're at a loss to explain how this 7200rpm drive can be quieter
than the 5400rpm Momentus 500GB with the same number of platters that we reviewed in the spring. Perhaps one or both of our samples are atypical
it's hard to say one way or the other without a few more samples of both models. Regardless, our Seagate
Momentus 7200.4 500GB sample was surprisingly quiet, beating out the 5400.6
by 2~3 [email protected] It does vibrate a bit more though, making its overall acoustics
similar to the WD Scorpio Blue 500GB. In a laptop, this difference may indirectly
make it noisier than the 5400.6.
The 7200.4 performs
well, in league with some of the "green" desktop drives with reduced
rotational speeds. It's a bit slower than most 7200rpm desktop drives, but the difference is not big. It also uses very little power, only marginally more than a 5400rpm 2.5" drive.
As we reported a few days ago, inside a Scythe Quiet Drive 2.5, it is a cheap silent alternative to a solid state drive. Slower, for sure, but higher capacity than you could get from any SSD for even 10 times the price.
Travelstar 5K500.B 500GB - Hitachi's half terabyte 5400rpm notebook drive is a nice addition to the available options for consumers. It's very quiet, matching the Momentus 7200.4 500GB sample vibrates very little, and is very modest in its power consumption. It beats out the other two 500GB 5400rpm notebook drives we've tested, the WD Scorpio Blue and the Momentus 5400.6, for both acoustics and power. Performance is similar, except for random access, which is a touch slower. We doubt the random access speed difference will be noticed in actual use, especially in a notebook computer.
The Hitachi Travelstar 5K500.B 500GB and the Seagate Momentus 7200.4 500GB are both fine hard drives, whether used in a desktop PC or a portable, and can be confidently recommended, especially for any computer user who seeks to minimize noise.
Hitachi Travelstar 5K500.B 500GB and Seagate Momentus 7200.4 500GB
are both Recommended by SPCR
Many thanks Seagate
and Hitachi for the product samples.
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SPCR Articles of Related Interest:
SPCR's Hard Drive Testing
SPCR's Recommended Hard Drives
Seagate Hard Drives: Barracuda LP, Pipeline HD .2
F2 EcoGreen HD502HI: Silent 500GB 3.5" HDD
Caviar Green 2TB & Seagate Pipeline HD 500GB
5400.6 & Scorpio Blue: Seagate & WD 2.5" HDDs at 500GB
Seagate Pipeline HD Pro 1TB
Scythe Quiet Drive 2.5
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