Product comparison · 2 internal hard drives

Seagate Constellation ST91000641SS-20PK internal hard drive vs Seagate Constellation ST91000642SS-20PK internal hard drive

Key differences

Write seek time
- Constellation ST91000641SS-20PK internal hard drive:8.5 ms
- Constellation ST91000642SS-20PK internal hard drive:9.5 ms

Differences highlightedShow differences only

Comparison of ST91000641SS-20PK, ST91000642SS-20PK
25 specifications	A Seagate Constellation ST91000641SS-20PK internal hard drive Model ST91000641SS-20PK View product	B Seagate Constellation ST91000642SS-20PK internal hard drive Model ST91000642SS-20PK View product
Features1 differ
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeDiffers	8.5 ms	9.5 ms

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.