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Silver 3.5 inch SATA enterprise hard drive bare unit

Seagate

Seagate Constellation ES ST1000NM0011 1TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-7TA5-SRZCZ MPN ST1000NM0011

A 1 TB enterprise hard drive with 7200 RPM, 64 MB cache and SATA 6.0 Gb/s interface for 24×7 nearline storage

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache64MB
  • Average Seek Time8.5ms

Options 1TB

  • Enterprise-class reliability for 24×7 workloads
  • 7200 RPM and 64 MB cache deliver responsive throughput
  • SATA 6.0 Gb/s interface enables fast data transfers
  • 5-inch form factor fits standard desktop bays
  • Erased to DoD 5220.22 M standard for data security

Enterprise Nearline Storage

The Seagate Constellation ES ST1000NM0011 is a 1TB 3.5-inch hard drive built for 24×7 operation in enterprise storage arrays and servers. It runs at 7200 RPM with a 64MB cache on a SATA 6.0Gb/s interface, delivering average seek and write times of 8.5ms and 9.5ms. This bare drive suits IT managers who need reliable bulk capacity for RAID sets, backup targets or surveillance archives where constant uptime matters more than peak throughput.

Upgrade From Consumer Drives

The jump is worth it when workloads exceed the 8×5 duty cycle of desktop drives or when vibration tolerance in multi-drive chassis becomes critical. Constellation ES firmware is tuned for sustained writes and rotational vibration resistance that consumer models lack, so arrays stay online during rebuilds and heavy ingest. Buyers who only need occasional backups or a single desktop volume will not see the benefit and should choose a standard desktop drive instead.

Straightforward 3.5-Inch SATA Fit

Installation follows the standard 3.5-inch SATA pattern: mount in a drive bay, attach data and power cables, then initialise in the OS or RAID controller. The bare-drive packaging means no screws or cables are included, so have mounting hardware ready. A common issue is forgetting that the drive arrives unformatted and unpartitioned; it must be prepared before use. Also note the manufacturer warranty has ended and some units may show up to 25 bad sectors or cosmetic label differences from prior DoD 5220.22-M erasure.

Highlights

  • Enterprise-class reliability for 24×7 workloads
  • 7200 RPM and 64 MB cache deliver responsive throughput
  • SATA 6.0 Gb/s interface enables fast data transfers
  • 5-inch form factor fits standard desktop bays
  • Erased to DoD 5220.22 M standard for data security

Specifications

BrandSeagate
SeriesConstellation ES
ModelST1000NM0011
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity1TB
RPM7200 RPM
Cache64MB
Average Seek Time8.5ms
Average Write Time9.5ms
Average Latency4.16ms
FeaturesImportant Warranty Information
This product is end-of-sale and no longer warranted by the manufacturer. Instead, warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Customer Service, not the manufacturer.
Reduces design and support costs by building on the Seagate best-in-class enterprise storage foundation
Offers a traditional 3.5-inch form factor with enhanced rotational vibration tolerance and high data integrity for enterprise-class reliability in a cost-effective drive
Delivers proven reliability, with an
UsageFor Enterprise Storage
Form Factor3.5"
Shipping weight1.36 kg
Package size305 × 229 × 102 mm

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Questions about this item

Will this 3.5-inch drive fit a standard desktop drive bay?

Yes, the 3.5-inch form factor matches standard desktop drive bays and uses the common SATA interface for both data and power connections.

What is the correct way to install this bare drive so the system recognises the full 1TB capacity?

Connect the SATA data and power cables, initialise the disk in your OS disk management tool, then create a partition and format it; the drive ships unformatted and unpartitioned.

How can I check the health of this enterprise drive over time given it may have up to 25 bad sectors?

Monitor the SMART attributes — especially Reallocated Sectors Count and Current Pending Sector Count — using any standard drive-health utility to track changes.

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