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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

  • InterfaceSATA 6.0Gb/s
  • Capacity2TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache128MB
  • Average Latency4.16ms
  • 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.

Highlights

  • 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

Specifications

BrandSeagate
SeriesEnterprise Capacity 2.5
ModelST2000NX0243
InterfaceSATA 6.0Gb/s
Capacity2TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache128MB
Average Latency4.16ms
FeaturesDesign Small and Deliver BIG - 2.5-Inch Nearline Drive
- Up to 2TB capacity in 15mm z-height, 2.5-inch form factor for space-constrained 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 perf
UsageFor Enterprise Storage
Form Factor2.5"
Height (maximum)15mm
Width (maximum)70.10mm
Length (maximum)100.46mm
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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