Seagate
Seagate ST91000640NS 1TB Constellation SATA 6Gb/s 2.5" HDD
Boost Your Storage Capacity with Enterprise-Class Reliability The Seagate Constellation ST91000640NS internal hard drive offers 1TB of storage with SATA 6Gb/s interface and a 64MB cache. Designed for enterprise environments, it delivers reliable performance for demanding applications. Seagate 1...
$80.95*
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*Price sourced from Amazon.com. Last updated:Sep 04, 2026.Price and availability are subject to change — details.
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Overview
Boost Your Storage Capacity with Enterprise-Class Reliability
The Seagate Constellation ST91000640NS internal hard drive offers 1TB of storage with SATA 6Gb/s interface and a 64MB cache. Designed for enterprise environments, it delivers reliable performance for demanding applications.
Seagate 1TB Constellation Hard Drive Specifications:
- Capacity: 1TB
- Interface: SATA 6Gb/s
- Cache: 64MB
- Form Factor: 2.5-inch
Key Features
Highest capacities and best reliability available in an SFF, 7200-RPM enterprise-class nearline drive
Best-in-class rotational vibration tolerance ensures unrivaled performance in high spindle-density applications, and multi-drive firmware maximizes system availability
SATA 6Gb/s for economical 7200-RPM performance
2.5-inch 1TB capacity-optimized drive for dense, space-constrained data centers allows you to store twice as much data in the same footprint
Not intended for laptops
Highest capacities and best reliability available in an SFF, 7200-RPM enterprise-class nearline drive
Best-in-class rotational vibration tolerance ensures unrivaled performance in high spindle-density applications, and multi-drive firmware maximizes system availability
Self-Encrypting Drive (SED) models with Seagate Instant Secure Erase technology
SATA 6Gb/s for economical 7200-RPM performance
2.5-inch 1TB capacity-optimized drive for dense, space-constrained data centers allows you to store twice as much data in the same footprint
Specifications
Brand
Seagate
Model
ST91000640NS Constellation
Capacity
1TB
Interface
SATA 6Gb/s
Form Factor
2.5-inch
RPM
7200-RPM
Class
Enterprise-class nearline drive
Key Feature
Rotational Vibration Tolerance
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View on Amazon →Frequently Asked Questions
What is the capacity of the Seagate ST91000640NS hard drive?
The Seagate ST91000640NS is a 1TB capacity-optimized hard drive.
What is the form factor and RPM of this enterprise-class drive?
This is a 2.5-inch Small Form Factor (SFF) enterprise-class nearline drive with a 7200-RPM rotational speed.
Does this drive offer good reliability for data centers?
Yes, the Seagate ST91000640NS offers the best reliability available in an SFF, 7200-RPM enterprise-class nearline drive.
How does this drive perform in high spindle-density applications?
It features best-in-class rotational vibration tolerance, ensuring unrivaled performance in high spindle-density applications.
What interface does the Seagate ST91000640NS use for data transfer?
The drive uses a SATA 6Gb/s interface for economical 7200-RPM performance.
Can this 2.5-inch drive be used in laptops?
No, the Seagate ST91000640NS is explicitly not intended for laptops.
How does this drive help optimize space in data centers?
Its 2.5-inch 1TB capacity-optimized design allows for storing twice as much data in the same footprint within dense, space-constrained data centers.
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