Product comparison · 2 internal hard drives

Seagate Constellation ST91000640NS-40PK internal hard drive vs Seagate Constellation ST9250610NS-40PK internal hard drive

Key differences

HDD capacity
- Constellation ST91000640NS-40PK internal hard drive:1 TB
- Constellation ST9250610NS-40PK internal hard drive:250 GB
Power consumption (typical)
- Constellation ST91000640NS-40PK internal hard drive:5.21 W
- Constellation ST9250610NS-40PK internal hard drive:4.35 W
Power consumption (idle)
- Constellation ST91000640NS-40PK internal hard drive:3.31 W
- Constellation ST9250610NS-40PK internal hard drive:2.52 W
Weight
- Constellation ST91000640NS-40PK internal hard drive:200 g
- Constellation ST9250610NS-40PK internal hard drive:179 g

Differences highlightedShow differences only

Comparison of ST91000640NS-40PK, ST9250610NS-40PK
27 specifications	A Seagate Constellation ST91000640NS-40PK internal hard drive Model ST91000640NS-40PK View product	B Seagate Constellation ST9250610NS-40PK internal hard drive Model ST9250610NS-40PK View product
Features1 differ
HDD capacityDiffers	1 TB	250 GB
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power2 differ
Power consumption (typical)Differs	5.21 W	4.35 W
Power consumption (idle)Differs	3.31 W	2.52 W
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	200 g	179 g

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.