Seagate Barracuda Green 2TB & Momentus 750GB

Storage
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NOISE

Our Barracuda Green sample was fairly quiet, measuring 14~15 dBA@1m idle and 17~18 dBA@1m when seeking. This latest Barracuda lacked the slight electrical whine of its predecessors, giving a smooth, pleasant broadband profile.



The Barracuda Green, idle and seeking.

The Green's idle whirl had hollow quality, like the single-platter 500GB Barracuda 7200.12 we reviewed a couple of years ago. Placing some weight on the top of the drive helped alleviate this, but the issue was minor compared to the 7200.12. The noise during seek was unusual in that there seemed to be two types — a faint background of soft chatter with intermittent sharp clicks.



The Momentus 750GB, idle and seeking.

The Momentus was quiet for a notebook drive, producing just 15 dBA@1m when idle and barely any higher during seeking activity. The acoustic quality was excellent, soft and benign, with the chatter emitted during seek so low as to be barely registered by our instruments.

Vibration & Power

COMPARISON
HDD
Mfg date
firmware version
Vibration
1-10
(10 = no vibration)
Activity State
Airborne Acoustics
(dBA@1m)
Measured
Power
WD Caviar Green
2TB WD20EARS
August 2010
firmware 01.00A01
9
Idle
12~13
2.8 W (2.4 W heads unloaded)
Seek
6.5 W
Samsung EcoGreen F4
2TB HD204UI

August 2010
firmware 1AQ10001
7
Idle
13
4.0 W
Seek
15
5.6 W
Seagate Barracuda LP
2TB ST32000542AS
June 2009
firmware CC32
6
Idle
14
4.7W
Seek
17
7.9W
Seagate Barracuda Green 2TB ST2000DL003
November 2010
firmware CC31
8
Idle
14~15
4.6 W
Seek
17~18
7.3 W
Samsung EcoGreen F3
2TB HD203WI
May 2010
firmware 1AN10003
7
Idle
15~16
4.7 W
Seek (AAM)
17~18
6.1W
Seek
18~19
6.9 W

Using 4.6W at idle and 7.3W during seek, the new Barracuda Green was very slightly more energy efficient than the original LP. The noise level was about the same, still noticeably louder than the latest low power drives from rivals Western Digital and Samsung. The only significant improvement was in vibration; the tremors we felt when holding the Barracuda Green were very minor.

COMPARISON
Drive
Mfg date
firmware version
Vibration
1-10
(10 = no vibration)
Activity State
Airborne Acoustics
(dBA@1m)
Measured
Power
Seagate Momentus
XT 500GB
ST95005620AS

June 2010
firmware SD22
7
Idle
13~14
1.34 W (1.16 W heads unloaded)
Seek
14~15
2.08 W
Hitachi Travelstar 5K500.B 500GB
February 2009
firmware PB4OC60G
8
Idle
14
0.7 W (0.6 W heads unloaded)
Seek
15
2.2 W
Seagate Momentus 7200.4 500GB ST9500420AS
March 2009
firmware 0002SDM1
7
Idle
14
1.1 W (0.9 W heads unloaded)
Seek
15
2.35 W
Seagate Momentus 750GB ST9750420AS
October 2010
firmware 0001SDM1
8
Idle
15
1.06 W (0.85 W heads unloaded)
Seek
15~16
2.60 W
WD Scorpio Blue 500GB WD5000BEVT
September 2008
firmware 01.01A01
7
Idle
15
0.95 W (0.8 W heads unloaded)
Seek
16
2.5 W
Seagate Momentus 5400.6 500GB ST9500325ASG
February 2009
firmware 0001SDM1
8
Idle
16
0.8 W (0.65 W heads unloaded)
Seek
18
2.2 W

The Momentus 750GB managed to keep its noise level reasonable despite its high capacity and 7200 RPM spindle speed, a tad louder than its predecessor, the Momentus 7200.4. Power consumption was about the same, except the 750GB model used 0.25W more when seeking. Like the Barracuda Green, the best aspect of the drive was vibration. It matched 5400 RPM models like the Hitachi 5K500.B and Momentus 5400.6.



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