Product comparison · 2 internal hard drives

Seagate 500GB 3.5 vs Seagate Constellation ES SAS 500GB

16specifications compared
9differ
7identical
18known for one product only

Key differences

Interface
- 500GB 3.5:Serial ATA II
- Constellation ES SAS 500GB:SAS
Storage drive buffer size
- 500GB 3.5:16 MB
- Constellation ES SAS 500GB:64 MB
Power consumption (idle)
- 500GB 3.5:5 W
- Constellation ES SAS 500GB:4.67 W
Operating temperature (T-T)
- 500GB 3.5:0 - 60 °C
- Constellation ES SAS 500GB:5 - 60 °C
Operating shock
- 500GB 3.5:70 G
- Constellation ES SAS 500GB:0.5 G
Non-operating shock
- 500GB 3.5:350 G
- Constellation ES SAS 500GB:2 G
Width
- 500GB 3.5:101.6 mm
- Constellation ES SAS 500GB:101.8 mm
Height
- 500GB 3.5:20 mm
- Constellation ES SAS 500GB:26.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 500GB 3.5, Constellation ES SAS 500GB
34 specifications	A Seagate 500GB 3.5 View product	B Seagate Constellation ES SAS 500GB View product
Features2 differ
InterfaceDiffers	Serial ATA II	SAS
Component forKnown for one	Unknown — not stated by the source	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 timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Average latencyKnown for one	4.17 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Power consumption (idle)Differs	5 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
Power consumption (typical)Known for one	8 W	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 60 °C
Operating vibrationKnown for one	Unknown — not stated by the source	70 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	350 G
Operating shockDiffers	70 G	0.5 G
Non-operating shockDiffers	350 G	2 G
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	101.6 mm	101.8 mm
HeightDiffers	20 mm	26.1 mm
WeightDiffers	540 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
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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