Product comparison · 2 internal hard drives

Seagate 500GB 2.5" SAS vs Seagate Pipeline HD 1-TB

12specifications compared
10differ
2identical
21known for one product only

Key differences

HDD capacity
- 500GB 2.5" SAS:500 GB
- Pipeline HD 1-TB:1 TB
HDD speed
- 500GB 2.5" SAS:7200 RPM
- Pipeline HD 1-TB:5900 RPM
HDD size
- 500GB 2.5" SAS:2.5"
- Pipeline HD 1-TB:3.5"
Interface
- 500GB 2.5" SAS:SAS
- Pipeline HD 1-TB:Serial ATA II
Storage drive buffer size
- 500GB 2.5" SAS:16 MB
- Pipeline HD 1-TB:8 MB
Operating voltage
- 500GB 2.5" SAS:5 V
- Pipeline HD 1-TB:5 / 12 V
Operating temperature (T-T)
- 500GB 2.5" SAS:5 - 55 °C
- Pipeline HD 1-TB:0 - 75 °C
Width
- 500GB 2.5" SAS:70 mm
- Pipeline HD 1-TB:101.6 mm

Side by side

Differences highlightedShow differences only

Comparison of 500GB 2.5" SAS, Pipeline HD 1-TB
33 specifications	A Seagate 500GB 2.5" SAS View product	B Seagate Pipeline HD 1-TB View product
Features5 differ
HDD capacityDiffers	500 GB	1 TB
HDD speedDiffers	7200 RPM	5900 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	8 MB
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Read seek timeKnown for one	Unknown — not stated by the source	14 ms
Write seek timeKnown for one	Unknown — not stated by the source	15 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power1 differ
Power consumption (typical)Known for one	4 W	Unknown — not stated by the source
Power consumption (idle)Known for one	2.9 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Power consumption (standby)Known for one	Unknown — not stated by the source	0.7 W
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 75 °C
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2.4 G	Unknown — not stated by the source
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	400 G	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions3 differ
WidthDiffers	70 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	14.8 mm	26.1 mm
WeightKnown for one	196 g	Unknown — not stated by the source
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.99 x 26.1 mm
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes

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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