Product comparison · 2 internal hard drives

Seagate Desktop HDD ST330005N1A1AS-RK internal hard drive vs Seagate Constellation ST91000642SS internal hard drive

14specifications compared
10differ
4identical
23known for one product only

Key differences

HDD capacity
- Desktop HDD ST330005N1A1AS-RK internal hard drive:3 TB
- Constellation ST91000642SS internal hard drive:1 TB
Interface
- Desktop HDD ST330005N1A1AS-RK internal hard drive:Serial ATA
- Constellation ST91000642SS internal hard drive:SAS
Read seek time
- Desktop HDD ST330005N1A1AS-RK internal hard drive:8.5 ms
- Constellation ST91000642SS internal hard drive:7.5 ms
Write seek time
- Desktop HDD ST330005N1A1AS-RK internal hard drive:9.5 ms
- Constellation ST91000642SS internal hard drive:8.5 ms
Power consumption (typical)
- Desktop HDD ST330005N1A1AS-RK internal hard drive:9.23 W
- Constellation ST91000642SS internal hard drive:6.35 W
Start-up current
- Desktop HDD ST330005N1A1AS-RK internal hard drive:2.8 A
- Constellation ST91000642SS internal hard drive:2 A
Width
- Desktop HDD ST330005N1A1AS-RK internal hard drive:101.6 mm
- Constellation ST91000642SS internal hard drive:69.8 mm
Depth
- Desktop HDD ST330005N1A1AS-RK internal hard drive:147 mm
- Constellation ST91000642SS internal hard drive:100 mm

Side by side

Differences highlightedShow differences only

Comparison of ST330005N1A1AS-RK, ST91000642SS
37 specifications	A Seagate Desktop HDD ST330005N1A1AS-RK internal hard drive Model ST330005N1A1AS-RK View product	B Seagate Constellation ST91000642SS internal hard drive Model ST91000642SS View product
Features4 differ
HDD capacityDiffers	3 TB	1 TB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceDiffers	Serial ATA	SAS
Component forKnown for one	Unknown — not stated by the source	Server/workstation
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeDiffers	8.5 ms	7.5 ms
Write seek timeDiffers	9.5 ms	8.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Average seek timeKnown for one	4.16 ms	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	9.23 W	6.35 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Start-up currentDiffers	2.8 A	2 A
Power consumption (idle)Known for one	6.39 W	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100 mm
HeightDiffers	26.1 mm	15 mm
WeightDiffers	700 g	200 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	4.69 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	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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