Description
Seagate ST91000640SS Constellation.2 1TB 2.5-Inch SAS 6Gb/s 7200RPM Enterprise Hard Drive
1TB 7200RPM 2.5-Inch Enterprise SAS HDD – Constellation.2 Series
The Seagate ST91000640SS Constellation.2 is a 1TB enterprise-class 2.5-inch internal hard drive designed specifically for server and data center environments.
Featuring a SAS 6Gb/s interface, 7200 RPM spindle speed, and 64MB cache, this drive delivers dependable performance, enterprise reliability, and optimized operation for mission-critical systems.
Built for Server Infrastructure
The Constellation.2 series is engineered for:
Rack-mounted servers
Blade servers
Enterprise storage arrays
Cloud infrastructure
High-availability business systems
⚠️ Server hard drive – Not designed for laptops or consumer desktops.
Key Features
1TB Storage Capacity
2.5-Inch Small Form Factor
SAS 6Gb/s Interface
7200 RPM Rotational Speed
64MB Cache
Enterprise-Class Reliability
Internal Bare Drive
Optimized for 24/7 Operation
Enterprise SAS Performance
The SAS interface provides improved reliability, command queuing, and dual-port capabilities (in supported systems), making it ideal for enterprise RAID and storage environments.
With a compact 2.5-inch form factor, it allows higher drive density in rack servers and storage enclosures.
The 7200 RPM speed ensures balanced performance for virtualization, database workloads, and general enterprise storage tasks.
Ideal Applications
Enterprise servers
Blade server deployments
RAID storage arrays
Virtualization environments
Data center infrastructure
Technical Specifications
Brand
Seagate
Series
Constellation.2
Model
ST91000640SS
Capacity
1TB
Form Factor
2.5-Inch
Interface
SAS 6Gb/s
Rotational Speed
7200 RPM
Cache
64MB
Drive Type
Mechanical Hard Disk Drive (HDD)
Installation Type
Internal
National Stock Number
7025-01-615-7549
USD 