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Silver rectangular 2.5-inch SATA hard drive with label showing model ST2000NX0243 and 2TB capacity

Seagate

Seagate ST2000NX0243 2TB 2.5" 7200 RPM 128MB SATA internal hard drive

SKU CH-2Z64-KGDJY MPN ST2000NX0243

Enterprise 2.5-inch 2TB SATA drive spins at 7200 RPM with 128MB cache for high-density nearline storage

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • Cache memory128 MB
  • Enterprise reliability for 24x7 operation backed by 5-year manufacturer warranty
  • Space-saving 2.5-inch form factor fits dense racks at just 15mm height
  • Faster data access with 136MB/s sustained transfer rate and 128MB cache
  • Lower power costs through 50% better watts-per-TB efficiency versus prior generation
  • 2TB capacity in a compact 70.10mm x 100.46mm drive for high-density storage

Enterprise 2.5-Inch Nearline Drive

The Seagate ST2000NX0243 is a 2TB enterprise capacity hard drive built for high-density storage environments. Its 2.5-inch form factor with a 15mm z-height fits space-constrained servers and storage arrays. Designed for 24x7 operation, it targets data centres needing reliable nearline storage.

4Kn SATA 6.0Gb/s Interface

This drive uses a 4Kn native sector format over a SATA 6.0Gb/s interface. The 4Kn sector structure is the single specification that determines compatibility with controllers and operating systems. Verify that your host system supports 4Kn drives before purchase.

Low Power And Thermal Profile

The drive delivers over 50% improvement in watts per terabyte compared to the previous generation. A sustained transfer rate of 136MB/s is achieved with low power consumption suited for dense deployments. Average latency is 4.16ms at 7200 RPM.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $251.99
Pricier than about 77% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $126.00 per TB
Pricier than about 68% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineEnterprise Capacity 2.5
Model nameST2000NX0243
Total capacity2 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Flash memory typeHard Drive
Cache memory128 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height15 mm
Maximum width70.1 mm
Maximum length100.46 mm
Shipping weight0.21 kg
Package size246 × 137 × 23 mm

Questions about this item

How much sustained transfer speed does the 7200 RPM drive deliver in a real system?

The drive provides a sustained transfer rate of 136 MB/s for nearline workloads.

What does the SATA 6.0 Gb/s interface cap in practice?

The SATA 6.0 Gb/s interface supports up to 600 MB/s theoretical bandwidth.

Will the 15 mm height fit in a standard 2.5-inch bay?

The drive measures 15 mm tall, 70.10 mm wide and 100.46 mm long, so it needs a bay that accepts 15 mm z-height.

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