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
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA II	SAS
Type	HDD	HDD
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
Bytes per sector	512	512
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
Operating voltage	5 / 12 V	5 / 12 V
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
Depth	147 mm	147 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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