Product comparison · 2 internal hard drives

Seagate Constellation ST91000641NS-20PK internal hard drive vs Seagate Constellation ST91000642SS-20PK internal hard drive

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  • 25specifications compared
  • 3differ
  • 22identical
  • 0known for one product only

Key differences

The Seagate Constellation ST91000642SS-20PK internal hard drive has 1.19 W more power consumption (typical) than the Seagate Constellation ST91000641NS-20PK internal hard drive (6.4 W vs 5.21 W). The Seagate Constellation ST91000642SS-20PK internal hard drive has 0.54 W more power consumption (idle) than the Seagate Constellation ST91000641NS-20PK internal hard drive (3.85 W vs 3.31 W). Interface: Serial ATA III on the Seagate Constellation ST91000641NS-20PK internal hard drive, SAS on the Seagate Constellation ST91000642SS-20PK internal hard drive.

  • Interface
    • Constellation ST91000641NS-20PK internal hard drive:Serial ATA III
    • Constellation ST91000642SS-20PK internal hard drive:SAS
  • Power consumption (typical)
    • Constellation ST91000641NS-20PK internal hard drive:5.21 W
    • Constellation ST91000642SS-20PK internal hard drive:6.4 W
  • Power consumption (idle)
    • Constellation ST91000641NS-20PK internal hard drive:3.31 W
    • Constellation ST91000642SS-20PK internal hard drive:3.85 W

Side by side

Differences highlightedShow differences only (on)
Comparison of ST91000641NS-20PK, ST91000642SS-20PK
25 specifications
Features1 differ
InterfaceDiffersSerial ATA IIISAS
Power2 differ
Power consumption (typical)Differs5.21 W6.4 W
Power consumption (idle)Differs3.31 W3.85 W

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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