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Silver 2.5 inch enterprise hard drive with green circuit board visible on underside

Seagate

Seagate ST2000NX0343 2TB SAS 12Gb/s 7200 RPM 2.5" laptop hard drive

SKU CH-QZ66-6ENKQ MPN ST2000NX0343

A 2.5-inch enterprise hard drive with a 12Gb/s SAS interface, 7200 RPM speed and 128MB cache for high-density server storage

  • InterfaceSAS 12Gb/s
  • Capacity2TB
  • Cache128MB
  • Average Latency4.16ms
  • RPM7200 RPM
  • FeaturesDesign Small and Deliver BIG - 2.5-Inch Nearline Drive Up to
  • High capacity in compact 2.5-inch 15mm form factor
  • SAS 12Gb/s interface enables fast data access
  • 7200 RPM with 128MB cache for responsive performance
  • 2M hours MTBF and 0.44% AFR reliability rating
  • Seagate Secure 512e encryption protects stored data

Enterprise Nearline Storage

The Seagate Exos 7E2000 ST2000NX0343 is a 2TB SAS 12Gb/s hard drive built for enterprise storage arrays. Its 2.5-inch, 15mm z-height form factor fits high-density servers and space-constrained data centres. The 512e advanced format and 128MB cache support demanding workloads requiring consistent data integrity and scalability.

Thermals and Power Efficiency

Designed for 24x7 operation, the drive targets low power consumption and low weight to maximise storage efficiency in dense racks. PowerChoice technology allows host-controlled power management during idle periods. The 7200 RPM spindle speed and 4.16ms average latency deliver steady performance without exceeding typical enterprise thermal envelopes.

Security and Reliability Features

Seagate Secure provides hardware-based encryption for data-at-rest protection. RAID Rebuild accelerates array recovery times compared to standard rebuilds. The drive carries a 2M hour MTBF rating and 0.44% AFR specification for enterprise-grade reliability. SAS interface ensures dual-port connectivity for path redundancy in mission-critical deployments.

Points forts

  • High capacity in compact 2.5-inch 15mm form factor
  • SAS 12Gb/s interface enables fast data access
  • 7200 RPM with 128MB cache for responsive performance
  • 2M hours MTBF and 0.44% AFR reliability rating
  • Seagate Secure 512e encryption protects stored data

Caractéristiques

BrandSeagate
ModelST2000NX0343
InterfaceSAS 12Gb/s
Capacity2TB
Cache128MB
Average Latency4.16ms
RPM7200 RPM
FeaturesDesign Small and Deliver BIG - 2.5-Inch Nearline Drive
Up to 2TB capacity in 15mm z-height, 2.5-inch form factor for spaceconstrained data centers
Designed for high-density storage solutions requiring environmentally sound low power consumption and low weight for maximum storage efficiency
Choose 12Gb/s SAS for high data integrity, scalability and fast data access or SATA 6Gb/s for economical nearline performance.
Third-generation, enterprise-class reliability for 24x7 environmental robustness
Highest efficiency with over 50% improvement in watts/TB, and 18% sequential performance im
UsageFor Enterprise Storage
Form Factor2.5"
Height (maximum)15mm
Width (maximum)70.10mm
Length (maximum)100.45mm
Poids d’expédition0.91 kg
Dimensions du colis127 × 102 × 25 mm

Questions sur cet article

How do I install the ST2000NX0343 in a 2.5-inch SAS bay and what step is often missed?

Slide the 15mm-high drive into the bay, secure it with the correct screws, and attach the SAS 12Gb/s data and power connectors; the step often missed is confirming the controller supports 512e advanced format before first use.

What maintenance or replacement will this enterprise HDD need over its service life?

Rated for 2M hours MTBF and 0.44% AFR, it is designed for 24x7 operation with no scheduled maintenance; replacement is driven by SMART alerts or capacity upgrades rather than a fixed interval.

What limit appears first when the drive runs sustained workloads at 7200 RPM?

The 12Gb/s SAS interface bandwidth and 128MB cache set the sustained throughput ceiling; thermal throttling in a 15mm z-height enclosure can also reduce performance before the 2TB capacity fills.

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