Seagate Barracuda Green 2TB & Momentus 750GB

Storage
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DRIVE COMPARISON TABLE

NOTEBOOK HARD DRIVES
Drive
Mfg date
firmware version
Vibration
1-10
(10 = no vibration)
Activity State
Airborne Acoustics
(dBA@1m)
Measured
Power
Hitachi Travelstar 5K320-250 250GB
May 2009
firmware FBE0C40C
8
Idle
13
1.08 W (0.85 W heads unloaded)
Seek
13~14
2.15 W
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
WD Scorpio Blue 640GB WD6400BEVT
September 2009
firmware 01.01A01
7
Idle
15~16
0.87 W (0.74 W heads unloaded)
Seek
16
1.95 W

The Momentus 750GB is middling for noise among notebook drives, and its power consumption is on the high side, as 7200 RPM models tend to be. Mounted in a laptop, it should be acoustically superior to both the Momentus XT and 7200.4 by virtue of its low vibration level.

5,400 ~ 5,900 RPM DESKTOP HARD DRIVES
Drive
Mfg date
firmware version
Vibration
1-10
(10 = no vibration)
Activity State
Airborne Acoustics
(dBA@1m)
Measured
Power
Samsung EcoGreen F2
500GB HD502HI

February 2009
firmware 1AG01114
8
Idle
12
3.2 W
Seek (AAM)
15
5.3 W
Seek
16
6.1 W
Seagate Pipeline HD .2
1TB ST31000424CS
April 2009
firmware SC13
7
Idle
12
4.3 W
Seek
16
7.3 W
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
WD Caviar Green
1.5TB WD15EARS
March 2010
firmware 80.00A80
7
Idle
13
4.4 W (2.7 W heads unloaded)
Seek
5.8 W
WD Caviar Green
1.5TB WD15EADS
November 2009
firmware 01.00A01
9
Idle
13
4.5 W (2.8 W heads unloaded)
Seek (AAM)
14
5.8 W
Seek
Seagate Pipeline HD .2
500GB ST3500414CS
March 2009
firmware SC13
8
Idle
13
2.7 W
Seek
14
6.7 W
WD Caviar Green
2TB WD20EADS

February 2009
firmware 01.00A01
7
Idle
13
6.4 W (4.0W heads unloaded)
Seek (AAM)
6.5 W
Seek
13~14
6.5 W
Samsung EcoGreen F4
2TB HD204UI

August 2010
firmware 1AQ10001
7
Idle
13
4.0 W
Seek
15
5.6 W
WD Caviar Green
2TB WD20EVDS

November 2009
firmware 0.100A01
8~9
Idle
13~14
3.9 W
Seek
6.5 W
Seagate Pipeline HD
500GB ST3500321CS

July 2008
firmware SC14
6
Idle
14
4.1 W
Seek
15
6.9 W
Seagate Barracuda LP
2TB ST32000542AS
June 2009
firmware CC32
6
Idle
14
4.7W
Seek
17
7.9W
WD Caviar Green
3TB WD30EZRS
September 2010
firmware 01.00A01
8
Idle
14~15
4.1 W (3.7W heads unloaded)
Seek
7.5W
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

7,200 RPM DESKTOP HARD DRIVES
Hitachi Deskstar
7K1000.C 1TB HDS721010CLA332

February 2010
firmware JP4OA39C
5
Idle
13
4.6 W
Seek (AAM)
15~16
6.4 W
Seek
17
9.6 W
WD Caviar Blue
1TB WD10EALS
August 2010

firmware 05.01D05
7
Idle
14
5.2 W
Seek (AAM)
16~17
6.6 W
Seek
20
8.2 W
Seagate Pipeline HD
Pro 1TB ST31000533CS

September 2008
firmware SC15
4
Idle
15
7.1 W
Seek
16
10.1 W
Seagate Barracuda
7200.12 500GB
ST3500418AS
September 2009
firmware CC37
8
Idle
18
4.7 W
Seek
19~20
7.9W
WD Caviar Black
2TB WD2001FASS

August 2010
firmware 01.00101
6
Idle
16
6.3 W
Seek
21~23
10.5 W
Seagate Barracuda XT
2TB ST32000651AS

May 2010
firmware CC13
7~8
Idle
17
7.0 W
Seek
18~19
7.9 W
Seagate Barracuda
7200.11 1.5TB
ST31500341AS

October 2008
firmware SD17
4
Idle
17
8.8 W
Seek
19
10.7 W
WD Caviar Black
1TB WD1001FALS

July 2008
firmware 05.00K05
4
Idle
21
8.5 W
Seek (AAM)
10.9 W
Seek
25
11.0 W

From a noise perspective, the Barracuda Green 2TB is outclassed by pretty much every low power desktop drive on the market. It was only quieter than the Samsung EcoGreen F3, now replaced by the quieter and cheaper EcoGreen F4. Some quiet lower capacity 7200 RPM hard drives like the Hitachi Deskstar 7K1000.C 1TB can rival its noise. When hard-mounted, its low vibration level probably gives it enough of an edge to compete with the EcoGreen F4, but it can't touch the Caviar Green WD20EARS which boasts both low airborne acoustics and almost nonexistent vibration.

The WD20EARS is also more energy efficient, using 61% of the power consumed by the Barracuda Green. When the Caviar Green parks its heads, it uses even less power, 52% of the Barracuda's draw.



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