Product comparison · 2 internal hard drives

Seagate 450GB 3.5" SAS vs Seagate Pipeline HD 500GB internal hard drive 8 MB Serial ATA

13specifications compared
9differ
4identical
22known for one product only

Key differences

HDD capacity
- 450GB 3.5" SAS:450 GB
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:500 GB
Interface
- 450GB 3.5" SAS:SAS
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:Serial ATA
Storage drive buffer size
- 450GB 3.5" SAS:16 MB
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:8 MB
Power consumption (idle)
- 450GB 3.5" SAS:12.4 W
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:4.3 W
Operating temperature (T-T)
- 450GB 3.5" SAS:5 - 55 °C
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:0 - 75 °C
Operating shock
- 450GB 3.5" SAS:60 G
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:70 G
Non-operating shock
- 450GB 3.5" SAS:250 G
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:300 G
Depth
- 450GB 3.5" SAS:146.1 mm
- Pipeline HD 500GB internal hard drive 8 MB Serial ATA:147 mm

Side by side

Differences highlightedShow differences only

Comparison of 450GB 3.5" SAS, 500GB
35 specifications	A Seagate 450GB 3.5" SAS View product	B Seagate Pipeline HD 500GB internal hard drive 8 MB Serial ATA Model 500GB View product
Features3 differ
HDD capacityDiffers	450 GB	500 GB
HDD speedKnown for one	15000 RPM	Unknown — not stated by the source
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD number of headsKnown for one	8	Unknown — not stated by the source
Read seek timeKnown for one	3.4 ms	Unknown — not stated by the source
Write seek timeKnown for one	3.9 ms	Unknown — not stated by the source
Average latencyKnown for one	2 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power1 differ
Power consumption (typical)Known for one	17.3 W	Unknown — not stated by the source
Power consumption (idle)Differs	12.4 W	4.3 W
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
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 conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 75 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationKnown for one	1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2 G	Unknown — not stated by the source
Operating shockDiffers	60 G	70 G
Non-operating shockDiffers	250 G	300 G
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 & dimensions2 differ
Width	101.6 mm	101.6 mm
DepthDiffers	146.1 mm	147 mm
Height	25.4 mm	25.4 mm
WeightDiffers	709 g	530 g
Other featuresidentical
Sustained data rateKnown for one	171 MB/s	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Power requirementsKnown for one	Unknown — not stated by the source	5V ± 5%, 12V ± 10%
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Drive ready timeKnown for one	Unknown — not stated by the source	11 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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