Product comparison · 2 internal hard drives

Seagate 1TB SATA, 7200rpm vs Seagate 500GB SAS, 7200rpm

Key differences

HDD capacity
- 1TB SATA, 7200rpm:1 TB
- 500GB SAS, 7200rpm:500 GB
HDD size
- 1TB SATA, 7200rpm:3.5"
- 500GB SAS, 7200rpm:2.5"
Interface
- 1TB SATA, 7200rpm:Serial ATA
- 500GB SAS, 7200rpm:SAS
Power consumption (typical)
- 1TB SATA, 7200rpm:6.40 W
- 500GB SAS, 7200rpm:6.76 W
Power consumption (idle)
- 1TB SATA, 7200rpm:4.42 W
- 500GB SAS, 7200rpm:4.32 W
Power consumption (read)
- 1TB SATA, 7200rpm:7.42 W
- 500GB SAS, 7200rpm:7.89 W
Power consumption (write)
- 1TB SATA, 7200rpm:6.21 W
- 500GB SAS, 7200rpm:7.18 W
Operating voltage
- 1TB SATA, 7200rpm:5 / 12 V
- 500GB SAS, 7200rpm:5 V

Differences highlightedShow differences only

Comparison of 1TB SATA, 7200rpm, 500GB SAS, 7200rpm
29 specifications	A Seagate 1TB SATA, 7200rpm View product	B Seagate 500GB SAS, 7200rpm View product
Features3 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
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
Power6 differ
Power consumption (typical)Differs	6.40 W	6.76 W
Power consumption (idle)Differs	4.42 W	4.32 W
Power consumption (read)Differs	7.42 W	7.89 W
Power consumption (write)Differs	6.21 W	7.18 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	1.88 A	1.93 A
Operational conditions3 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationDiffers	0.25 Gs	0.5 Gs
Non-operating vibrationDiffers	4.9 Gs	2 Gs
Operating shock	70 G	70 G
Non-operating shockDiffers	350 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	610 g	610 g
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
Internal	Yes	Yes
Sustained data rate	150 MB/s	150 MB/s
Acoustic pressure emissions	2.7 dB	2.7 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.