Product comparison · 2 internal hard drives

Seagate 500GB SATA, 7200rpm vs Seagate Constellation ST33000651SS internal hard drive

19specifications compared
4differ
15identical
10known for one product only

Key differences

HDD capacity
- 500GB SATA, 7200rpm:500 GB
- Constellation ST33000651SS internal hard drive:3 TB
Power consumption (typical)
- 500GB SATA, 7200rpm:7.26 W
- Constellation ST33000651SS internal hard drive:10.68 W
Start-up current
- 500GB SATA, 7200rpm:1.90 A
- Constellation ST33000651SS internal hard drive:2.04 A
Weight
- 500GB SATA, 7200rpm:640 g
- Constellation ST33000651SS internal hard drive:700 g

Side by side

Differences highlightedShow differences only

Comparison of 500GB SATA, 7200rpm, ST33000651SS
29 specifications	A Seagate 500GB SATA, 7200rpm View product	B Seagate Constellation ST33000651SS internal hard drive Model ST33000651SS View product
Features1 differ
HDD capacityDiffers	500 GB	3 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)Known for one	Unknown — not stated by the source	1200000 h
Power2 differ
Power consumption (typical)Differs	7.26 W	10.68 W
Power consumption (idle)Known for one	4.56 W	Unknown — not stated by the source
Power consumption (read)Known for one	6.47 W	Unknown — not stated by the source
Power consumption (write)Known for one	5.31 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentDiffers	1.90 A	2.04 A
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationKnown for one	0.25 Gs	Unknown — not stated by the source
Non-operating vibrationKnown for one	4.9 Gs	Unknown — not stated by the source
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
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	700 g
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
Internal	Yes	Yes
Sustained data rateKnown for one	150 MB/s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.8 dB	Unknown — not stated by the source

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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