Seagate Constellation.2 ST91000641NS Fascicule

•  Second generation of industry’s first 2.5-inch, mainstream capacity,

15mm z-height, enterprise-class nearline drive for space-constrained
data centers

•  Choose 6Gb/s SAS for improved data integrity, scalability over longer

distances and fast data access, or SATA 6Gb/s for fast, economical
Tier 2/nearline performance.

•  The industry’s highest-reliability 7200-RPM drive, designed for 24×7

operation with an MTBF (mean time between failures) rating of 1.4M
hours and an AFR (annualized failure rate) of 0.62%—all backed by a
5-year limited warranty

•  Enterprise-class firmware features and best-in-class rotational

vibration tolerance maximizes system availability and performance
in multi-drive systems, ensuring top performance of up to 115MB/s of
maximum sustained throughput.

•  Lowest operating power (under 6.4W) and enhanced PowerChoice

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options for additional power savings (up to 54 percent—as low
as 1.1W) during slow or idle periods; Workload Management

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technology helps systems to keep drives cool.

•  Government-grade Self-Encrypting Drive security option available

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•  Storage-hungry business applications

•  Storage area networks (SAN) and network attached storage (NAS)

•  Maximum-capacity servers and blade servers

•  Rich media content storage—audio, video, image

•  Reference and compliance data storage

•  Enterprise backup and restore—D2D, virtual tape

•  Cloud computing

Product Overview

1 Self-Encrypting Drive option. Requires TCG-compliant host or controller support. Not available in all countries.

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