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Silver 2.5 inch enterprise hard drive, 15mm thick, SAS connector visible

Seagate

Seagate ST1000NX0363 1TB 2.5" SAS 12Gb/s 7200 RPM 128MB laptop hard drive

SKU CH-NGM9-E0BJS MPN ST1000NX0363

1TB 2.5-inch SAS 12Gb/s 7200 RPM enterprise drive with 128MB cache for high-density storage

  • InterfaceSAS 12Gb/s
  • Capacity1TB
  • Cache128MB
  • Average Latency4.16ms
  • RPM7200 RPM
  • FeaturesDesign Small and Deliver BIG - 2.5-Inch Nearline Drive Up to
  • 1TB capacity fits space-constrained servers
  • SAS 12Gb/s interface enables fast data access
  • 7200 RPM spindle delivers responsive performance
  • 128MB cache buffers heavy workloads
  • 15mm z-height suits high-density 2.5-inch bays

1TB SAS 12Gb/s enterprise laptop drive

The Seagate ST1000NX0363 is a 1TB 2.5-inch hard drive built for enterprise storage arrays that need 7200 RPM speed and a 128MB cache. Its SAS 12Gb/s interface supports dual-port connectivity for high data integrity and scalability in 24x7 environments. The 15mm z-height fits high-density bays where space and weight are constrained.

Check SAS controller and bay height

Verify that your server or storage chassis has a 12Gb/s SAS backplane or HBA and that the drive bay accepts a 15mm-high 2.5-inch unit. The drive requires a SAS signal cable and power connector; it will not operate on a SATA-only controller. Confirm the enclosure can deliver adequate airflow for continuous operation.

Third-generation efficiency and vibration tolerance

The third-generation design delivers over 50% improvement in watts per TB and 18% sequential performance gain over the previous generation. Enhanced PowerChoice options reduce idle power consumption, while improved rotational vibration tolerance and head micro-actuation maintain availability in multi-drive systems.

Highlights

  • 1TB capacity fits space-constrained servers
  • SAS 12Gb/s interface enables fast data access
  • 7200 RPM spindle delivers responsive performance
  • 128MB cache buffers heavy workloads
  • 15mm z-height suits high-density 2.5-inch bays

Specifications

BrandSeagate
ModelST1000NX0363
InterfaceSAS 12Gb/s
Capacity1TB
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
Shipping weight0.18 kg
Package size133 × 102 × 19 mm

Questions about this item

Does the ST1000NX0363 ship with any cables, brackets or screws, or must they be sourced separately?

The drive is supplied as a bare 2.5-inch 15mm unit; no SAS cable, mounting bracket or screws are included and must be obtained separately.

How do I decide between the 12Gb/s SAS interface and a SATA 6Gb/s alternative for this 1TB capacity?

Choose SAS 12Gb/s when the system requires dual-port connectivity, higher data integrity and scalability; choose SATA 6Gb/s for simpler, cost-sensitive nearline deployments.

What does the 7200 RPM rating mean for real-world throughput once the drive is installed in a server?

At 7200 RPM with 4.16ms average latency and 128MB cache, the drive delivers sustained sequential transfers suited to 24x7 enterprise workloads.

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