Product comparison · 2 internal hard drives

Seagate 450GB 3.5 vs Seagate Constellation ES SAS 500GB

21specifications compared
16differ
5identical
13known for one product only

Key differences

HDD capacity
- 450GB 3.5:450 GB
- Constellation ES SAS 500GB:500 GB
HDD speed
- 450GB 3.5:15000 RPM
- Constellation ES SAS 500GB:7200 RPM
Storage drive buffer size
- 450GB 3.5:16 MB
- Constellation ES SAS 500GB:64 MB
Read seek time
- 450GB 3.5:3.4 ms
- Constellation ES SAS 500GB:8.5 ms
Write seek time
- 450GB 3.5:3.9 ms
- Constellation ES SAS 500GB:9.5 ms
Mean time between failures (MTBF)
- 450GB 3.5:1600000 h
- Constellation ES SAS 500GB:1200000 h
Power consumption (idle)
- 450GB 3.5:10.1 W
- Constellation ES SAS 500GB:4.67 W
Operating temperature (T-T)
- 450GB 3.5:5 - 55 °C
- Constellation ES SAS 500GB:5 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of 450GB 3.5, Constellation ES SAS 500GB
34 specifications	A Seagate 450GB 3.5 View product	B Seagate Constellation ES SAS 500GB View product
Features6 differ
HDD capacityDiffers	450 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer sizeDiffers	16 MB	64 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Read seek timeDiffers	3.4 ms	8.5 ms
Write seek timeDiffers	3.9 ms	9.5 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Differs	1600000 h	1200000 h
Average latencyKnown for one	2 ms	Unknown — not stated by the source
Power1 differ
Power consumption (idle)Differs	10.1 W	4.67 W
Power consumption (read)Known for one	Unknown — not stated by the source	7.89 W
Power consumption (write)Known for one	Unknown — not stated by the source	7.18 W
Operating voltage	5 / 12 V	5 / 12 V
Power consumption (typical)Known for one	14.6 W	Unknown — not stated by the source
Operational conditions5 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Operating vibrationDiffers	1 G	70 G
Non-operating vibrationDiffers	3 G	350 G
Operating shockDiffers	60 G	0.5 G
Non-operating shockDiffers	300 G	2 G
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	101.8 mm
DepthDiffers	146.5 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	676 g	608 g
Other featuresidentical
Transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
I/O portsKnown for one	Unknown — not stated by the source	2
Cartridge load/Unload cyclesKnown for one	Unknown — not stated by the source	300000
Packaging contentidentical
Storage drive adapter includedKnown for one	No	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	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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