Product comparison · 2 internal hard drives

Seagate ST91000640SS-40PK internal hard drive vs Seagate Constellation ST9250610NS-40PK internal hard drive

Key differences

HDD capacity
- ST91000640SS-40PK internal hard drive:1 TB
- Constellation ST9250610NS-40PK internal hard drive:250 GB
Interface
- ST91000640SS-40PK internal hard drive:SAS
- Constellation ST9250610NS-40PK internal hard drive:Serial ATA III
Power consumption (typical)
- ST91000640SS-40PK internal hard drive:6.4 W
- Constellation ST9250610NS-40PK internal hard drive:4.35 W
Power consumption (idle)
- ST91000640SS-40PK internal hard drive:3.85 W
- Constellation ST9250610NS-40PK internal hard drive:2.52 W
Weight
- ST91000640SS-40PK internal hard drive:200 g
- Constellation ST9250610NS-40PK internal hard drive:179 g

Differences highlightedShow differences only

Comparison of ST91000640SS-40PK, ST9250610NS-40PK
27 specifications	A Seagate ST91000640SS-40PK internal hard drive Model ST91000640SS-40PK View product	B Seagate Constellation ST9250610NS-40PK internal hard drive Model ST9250610NS-40PK View product
Features2 differ
HDD capacityDiffers	1 TB	250 GB
InterfaceDiffers	SAS	Serial ATA III
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	6.4 W	4.35 W
Power consumption (idle)Differs	3.85 W	2.52 W
Weight & dimensions1 differ
WeightDiffers	200 g	179 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s

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.