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Silver 3.5-inch bare enterprise hard drive with exposed circuit board

Seagate

Seagate ST1000NM0021 1TB 7200 RPM 64MB SAS 6Gb/s 3.5" internal hard drive

SKU CH-84Q4-D1XNB MPN ST1000NM0021

A 1 TB 3.5-inch enterprise drive with 7200 RPM, 64 MB cache, SAS 6Gb/s interface and 256-bit self-encryption for 24×7 operation

  • PackagingBare Drive
  • InterfaceSAS 6Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache64MB
  • Average Latency4.16ms
  • Enterprise-grade reliability for 24×7 workloads with 1.2 million hour MTBF
  • 6Gb/s SAS interface delivers consistent throughput with IOEDC and IOECC error correction
  • Self-Encrypting Drive option provides hardware-based 256-bit AES security
  • Low power consumption and PowerChoice technology reduce energy and cooling costs
  • 7200 RPM and 64MB cache ensure responsive performance for nearline storage

Enterprise nearline storage

The Seagate Constellation ES ST1000NM0021 is a 1TB 3.5-inch internal hard drive built for 24×7 operation in multi-drive servers and storage arrays. It spins at 7200 RPM with a 64MB cache and connects through a SAS 6Gb/s interface for enterprise workloads.

SAS installation and encryption

The bare drive fits standard 3.5-inch bays and connects with SAS data and power cables; no special mounting hardware is required. The Self-Encrypting Drive option uses 256-bit encryption, so the encryption key must be managed by the controller or host software to avoid data loss.

Suited for capacity-optimised servers

This drive suits administrators who need high-capacity, enterprise-class reliability with enhanced rotational vibration tolerance and an MTBF of 1.2 million hours. Buyers who want more storage per bay or require a SATA interface should consider other models.

Points forts

  • Enterprise-grade reliability for 24×7 workloads with 1.2 million hour MTBF
  • 6Gb/s SAS interface delivers consistent throughput with IOEDC and IOECC error correction
  • Self-Encrypting Drive option provides hardware-based 256-bit AES security
  • Low power consumption and PowerChoice technology reduce energy and cooling costs
  • 7200 RPM and 64MB cache ensure responsive performance for nearline storage

Caractéristiques

BrandSeagate
SeriesConstellation ES
ModelST1000NM0021
PackagingBare Drive
InterfaceSAS 6Gb/s
Capacity1TB
RPM7200 RPM
Cache64MB
Average Latency4.16ms
FeaturesReduces design and support costs by building on the Seagate best-in-class enterprise storage foundation
Features a range of high capacities in a 3.5-inch enterprise-class hard disk drive
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 MTBF of 1.2 million hours and enhanced end-to-end data integrity with Protection Information feature
Lets you choose a Enterprise 6Gb/s interface easing integration and delivering up to 2x the thr
Form Factor3.5"
Poids d’expédition1.00 kg
Dimensions du colis178 × 137 × 38 mm

Questions sur cet article

How can I verify the ST1000NM0021 is running correctly after installation?

Check SMART attributes for reallocated sectors and confirm the drive reports 7200 RPM, 64 MB cache and a SAS 6Gb/s link speed in your RAID controller or HBA utility.

What comes with the bare drive and what must I source separately?

The box contains only the 3.5-inch drive; you need a SAS 6Gb/s cable, compatible backplane or HBA, mounting screws and a power connector.

Which capacity of the Constellation ES line should I pick for a 24×7 server array?

This model provides 1 TB; choose higher-capacity Constellation ES drives if you need more space per bay.

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