Product comparison · 2 internal hard drives

Seagate Constellation ST91000641NS-20PK internal hard drive vs Seagate Constellation ST9500621NS-20PK internal hard drive

25specifications compared
4differ
21identical
0known for one product only

Key differences

The Seagate Constellation ST91000641NS-20PK internal hard drive has 0.7 W more power consumption (typical) than the Seagate Constellation ST9500621NS-20PK internal hard drive (5.21 W vs 4.51 W). The Seagate Constellation ST91000641NS-20PK internal hard drive has 0.64 W more power consumption (idle) than the Seagate Constellation ST9500621NS-20PK internal hard drive (3.31 W vs 2.67 W). The Seagate Constellation ST91000641NS-20PK internal hard drive has 17 g more weight than the Seagate Constellation ST9500621NS-20PK internal hard drive (200 g vs 183 g). HDD capacity: 1 TB on the Seagate Constellation ST91000641NS-20PK internal hard drive, 500 GB on the Seagate Constellation ST9500621NS-20PK internal hard drive.

HDD capacity
- Constellation ST91000641NS-20PK internal hard drive:1 TB
- Constellation ST9500621NS-20PK internal hard drive:500 GB
Power consumption (typical)
- Constellation ST91000641NS-20PK internal hard drive:5.21 W
- Constellation ST9500621NS-20PK internal hard drive:4.51 W
Power consumption (idle)
- Constellation ST91000641NS-20PK internal hard drive:3.31 W
- Constellation ST9500621NS-20PK internal hard drive:2.67 W
Weight
- Constellation ST91000641NS-20PK internal hard drive:200 g
- Constellation ST9500621NS-20PK internal hard drive:183 g

Side by side

Differences highlightedShow differences only

Comparison of ST91000641NS-20PK, ST9500621NS-20PK
25 specifications	A Seagate Constellation ST91000641NS-20PK internal hard drive Model ST91000641NS-20PK View product	B Seagate Constellation ST9500621NS-20PK internal hard drive Model ST9500621NS-20PK View product
Features1 differ
HDD capacityDiffers	1 TB	500 GB
Power2 differ
Power consumption (typical)Differs	5.21 W	4.51 W
Power consumption (idle)Differs	3.31 W	2.67 W
Weight & dimensions1 differ
WeightDiffers	200 g	183 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.

More internal hard drive comparisons

All internal hard drive comparisons