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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. Note: Keep in mind that the seek noise here is unnaturally, artifically elevated using an AAM test utility. In normal use, such intense seek noise usually does not happen.
Notebook Hard Drive Comparatives:
Desktop 5,400~5,900 RPM Hard Drive Comparatives:
Seagate Barracuda Green 2TB
The Barracuda Green 2TB is a compromise between low power 5400 RPM drives and standard 7200 RPM models. Impressively, it performs closer to the latter despite its 5900 RPM rotational speed, but there is a tradeoff. The Barracuda Green is one of the loudest low power drives on the market and isn't as energy efficient as its 5400 RPM competition. It is quieter than any 7200 RPM drives, but a serious SPCR aficionado might not want it in his main desktop PC. In a home server located in a less-frequented room, however, its noise would be perfectly acceptable even for SPCR. Price-wise, it is close enough to the 5400 RPM drives to be competitive.
Seagate Momentus 750GB
The Momentus 750GB has average airborne acoustics for a notebook drive, but like the Barracuda Green, it has a very low level of vibration. This means that when mounted in a laptop, it should be one of the quietest drives on the market, SSDs aside. It is substantially faster than 5400 RPM 2.5" notebook drives, and has the highest capacity currently available for a standard 9.5 mm height drive. Quiet, fast, and big, the Momentus 750GB seems to have everything going for it.
There are several other 750GB notebook drives available, but the only 7200 RPM model is the WD Scorpio Black. We can't attest to its noise level, but we doubt it is as quiet or quieter than the Momentus given our past experience with Scorpio Blacks. Furthermore, the Momentus retails for just under $100, a little less than the Scorpio, and not much more than 5400 RPM models of the same capacity. All in all, the Momentus 750GB is an excellent value drive for a laptop.
Many thanks to Seagate and the Barracuda Green 2TB and Momentus 750GB
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SPCR Articles of Related Interest:
Hitachi Deskstar 7K1000.C 1TB vs. WD Caviar Blue 1TB
New high areal density 2-and-3 TB Greens from WD
Consumer SSD Battle: WD, Kingston, OCZ, Intel
WD Caviar Black 2TB & VelociRaptor 600GB
Samsung EcoGreen F4 &
Seagate Barracuda XT 2TB Hard Drives
Seagate Momentus XT: The Best of Both Worlds?
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this article in the SPCR Forums
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