Product comparison · 2 internal hard drives

Seagate 1TB SAS, 7200rpm vs Seagate 2TB SATA, 7200rpm

29specifications compared
12differ
17identical
0known for one product only

Key differences

The Seagate 2TB SATA, 7200rpm has 1 TB more HDD capacity than the Seagate 1TB SAS, 7200rpm (2 TB vs 1 TB). The Seagate 2TB SATA, 7200rpm has 1.97 W more power consumption (typical) than the Seagate 1TB SAS, 7200rpm (8.94 W vs 6.97 W). The Seagate 2TB SATA, 7200rpm has 1.38 W more power consumption (idle) than the Seagate 1TB SAS, 7200rpm (6.54 W vs 5.16 W). Interface: SAS on the Seagate 1TB SAS, 7200rpm, Serial ATA on the Seagate 2TB SATA, 7200rpm.

HDD capacity
- 1TB SAS, 7200rpm:1 TB
- 2TB SATA, 7200rpm:2 TB
Interface
- 1TB SAS, 7200rpm:SAS
- 2TB SATA, 7200rpm:Serial ATA
Power consumption (typical)
- 1TB SAS, 7200rpm:6.97 W
- 2TB SATA, 7200rpm:8.94 W
Power consumption (idle)
- 1TB SAS, 7200rpm:5.16 W
- 2TB SATA, 7200rpm:6.54 W
Power consumption (read)
- 1TB SAS, 7200rpm:10.43 W
- 2TB SATA, 7200rpm:9.03 W
Power consumption (write)
- 1TB SAS, 7200rpm:10.15 W
- 2TB SATA, 7200rpm:7.80 W
Start-up current
- 1TB SAS, 7200rpm:1.93 A
- 2TB SATA, 7200rpm:2.10 A
Operating vibration
- 1TB SAS, 7200rpm:0.5 Gs
- 2TB SATA, 7200rpm:0.25 Gs

Side by side

Differences highlightedShow differences only

Comparison of 1TB SAS, 7200rpm, 2TB SATA, 7200rpm
29 specifications	A Seagate 1TB SAS, 7200rpm View product	B Seagate 2TB SATA, 7200rpm View product
Features2 differ
HDD capacityDiffers	1 TB	2 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
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	6.97 W	8.94 W
Power consumption (idle)Differs	5.16 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	1.93 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 & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	640 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.

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