Seagate
Seagate ST91000641SS Constellation.2 1TB Internal Hard Drive
Enterprise-Class Reliability in a Compact Form FactorThe Seagate Constellation.2 Hard Drive offers unmatched reliability for nearline storage applications. This 2.5-inch internal hard drive provides enterprise-level data protection and low power consumption, making it an ideal choice for demandin...
$209.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Enterprise-Class Reliability in a Compact Form Factor
The Seagate Constellation.2 Hard Drive offers unmatched reliability for nearline storage applications. This 2.5-inch internal hard drive provides enterprise-level data protection and low power consumption, making it an ideal choice for demanding storage environments. Self-encrypting drive (SED) options are available to help you protect your data.
- Form Factor: 2.5-inch
- Application: Nearline Storage
- Security Options: Self-Encrypting Drive (SED), FIPS 140-2 Validated SED
Key Features
Maximizes data center footprint with up to 76TB per square foot
Energy efficient storage at under 3.9 Watts
Highest near line reliability with an mtbf of 1.4M hours
6GB/s performance in both SAS and SATA interfaces
Specifications
Storage Capacity
1TB
Interface Speed
6GB/s
Hardware Interface
SAS and SATA
MTBF
1.4M hours
Power Consumption
Under 3.9 Watts
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View on Amazon →Pros & Cons
👍 Pros
- Maximizes data center footprint, achieving high density storage up to 76TB per square foot
- Offers energy-efficient operation, consuming under 3.9 Watts to help reduce power costs
- Provides exceptional reliability for nearline applications with an MTBF of 1.4 million hours
- Delivers high-speed performance with a 6GB/s interface, available in both SAS and SATA options
- Engineered for demanding environments, ensuring consistent operation in data center settings
👎 Cons
- Specific optimizations for data centers suggest it might be over-engineered or costly for typical consumer use
- The focus on "nearline reliability" may imply it's best suited for archival or less frequently accessed data, not primary system drives
- While offering both SAS and SATA, the benefits of SAS are often only realized in specific enterprise setups
- Energy efficiency at 3.9 Watts is good for data centers but might not be a primary concern for all individual users
- The 1TB capacity, while solid, may be modest for current enterprise-level storage requirements in some scenarios
Frequently Asked Questions
What is the primary use case for the Seagate Constellation.2 hard drive?
The Seagate Constellation.2 1TB drive is designed to maximize data center footprint with high storage density, and offer energy-efficient, reliable storage for nearline applications.
What are the interface options for this hard drive?
This hard drive offers 6GB/s performance in both SAS and SATA interfaces, providing flexibility for different system configurations.
How reliable is the Seagate Constellation.2 for long-term use?
The drive boasts a high nearline reliability with an MTBF (Mean Time Between Failures) of 1.4 million hours, indicating robust performance over time.
How much power does this hard drive consume during operation?
The Seagate Constellation.2 is an energy-efficient storage solution, consuming under 3.9 Watts, which can help reduce operational costs in data centers.
What is the maximum storage density this drive contributes to?
This drive helps maximize data center footprint, allowing for up to 76TB per square foot when deployed in optimized configurations.
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