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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

  • Total capacity1 TB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Cache memory128 MB
  • Mean latency4.16 ms
  • Rotational speed7,200 RPM
  • 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.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $186.99
Pricier than about 83% of the 645 comparable items (median $66.99).
Total capacity 1 TB
Higher than about 90% of the 419 comparable items (median 320 GB).
Price per TB $186.99 per TB
Cheaper than about 58% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Model nameST1000NX0363
Total capacity1 TB
Recommended useFor Enterprise Storage
Performance
Mean latency4.16 ms
Rotational speed7,200 RPM
Storage
Cache memory128 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height15 mm
Maximum width70.1 mm
Maximum length100.45 mm
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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