Product comparison · 2 internal hard drives

Seagate 2TB SAS, 7200rpm vs Seagate 2TB SATA, 7200rpm

Key differences

Interface
- 2TB SAS, 7200rpm:SAS
- 2TB SATA, 7200rpm:Serial ATA
Power consumption (typical)
- 2TB SAS, 7200rpm:9.57 W
- 2TB SATA, 7200rpm:8.94 W
Power consumption (idle)
- 2TB SAS, 7200rpm:5.69 W
- 2TB SATA, 7200rpm:6.54 W
Power consumption (read)
- 2TB SAS, 7200rpm:10.43 W
- 2TB SATA, 7200rpm:9.03 W
Power consumption (write)
- 2TB SAS, 7200rpm:10.15 W
- 2TB SATA, 7200rpm:7.80 W
Start-up current
- 2TB SAS, 7200rpm:2.11 A
- 2TB SATA, 7200rpm:2.10 A
Operating vibration
- 2TB SAS, 7200rpm:0.5 Gs
- 2TB SATA, 7200rpm:0.25 Gs
Non-operating vibration
- 2TB SAS, 7200rpm:2 Gs
- 2TB SATA, 7200rpm:4.9 Gs

Differences highlightedShow differences only

Comparison of 2TB SAS, 7200rpm, 2TB SATA, 7200rpm
30 specifications	A Seagate 2TB SAS, 7200rpm View product	B Seagate 2TB SATA, 7200rpm View product
Features1 differ
HDD capacity	2 TB	2 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer size	64 MB	64 MB
Read seek time	8.5 ms	8.5 ms
Write seek time	9.5 ms	9.5 ms
Average latency	4.16 ms	4.16 ms
Mean time between failures (MTBF)	1200000 h	1200000 h
Power5 differ
Power consumption (typical)Differs	9.57 W	8.94 W
Power consumption (idle)Differs	5.69 W	6.54 W
Power consumption (read)Differs	10.43 W	9.03 W
Power consumption (write)Differs	10.15 W	7.80 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentDiffers	2.11 A	2.10 A
Operational conditions2 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationDiffers	0.5 Gs	0.25 Gs
Non-operating vibrationDiffers	2 Gs	4.9 Gs
Operating shock	70 G	70 G
Non-operating shock	300 G	300 G
Weight & dimensionsidentical
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
Weight	710 g	710 g
Other features2 differ
Data transfer rate	6 Gbit/s	6 Gbit/s
Internal	Yes	Yes
Sustained data rateDiffers	150 MB/s	140 MB/s
Acoustic pressure emissionsDiffers	2.7 dB	3 dB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.