Product comparison · 2 internal hard drives

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

Key differences

HDD capacity
- 1TB SATA, 7200rpm:1 TB
- 2TB SATA, 7200rpm:2 TB
Power consumption (typical)
- 1TB SATA, 7200rpm:6.40 W
- 2TB SATA, 7200rpm:8.94 W
Power consumption (idle)
- 1TB SATA, 7200rpm:4.42 W
- 2TB SATA, 7200rpm:6.54 W
Power consumption (read)
- 1TB SATA, 7200rpm:7.42 W
- 2TB SATA, 7200rpm:9.03 W
Power consumption (write)
- 1TB SATA, 7200rpm:6.21 W
- 2TB SATA, 7200rpm:7.80 W
Start-up current
- 1TB SATA, 7200rpm:1.88 A
- 2TB SATA, 7200rpm:2.10 A
Non-operating shock
- 1TB SATA, 7200rpm:350 G
- 2TB SATA, 7200rpm:300 G
Weight
- 1TB SATA, 7200rpm:610 g
- 2TB SATA, 7200rpm:710 g

Differences highlightedShow differences only

Comparison of 1TB SATA, 7200rpm, 2TB SATA, 7200rpm
29 specifications	A Seagate 1TB SATA, 7200rpm View product	B Seagate 2TB SATA, 7200rpm View product
Features1 differ
HDD capacityDiffers	1 TB	2 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA	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	6.40 W	8.94 W
Power consumption (idle)Differs	4.42 W	6.54 W
Power consumption (read)Differs	7.42 W	9.03 W
Power consumption (write)Differs	6.21 W	7.80 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentDiffers	1.88 A	2.10 A
Operational conditions1 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibration	0.25 Gs	0.25 Gs
Non-operating vibration	4.9 Gs	4.9 Gs
Operating shock	70 G	70 G
Non-operating shockDiffers	350 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	610 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.