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Silver 3.5-inch bare hard drive with circuit board visible

Seagate

Seagate ST2000NM0135 2TB 7200 RPM 512e SAS 12Gb/s 128MB 3.5" internal hard drive

SKU CH-1WTM-W1ZCP MPN ST2000NM0135

2 TB enterprise hard drive with 7200 RPM, 128 MB cache and 12 Gb/s SAS interface for 24x7 bulk-data workloads

  • PackagingBare Drive
  • Interface512e SAS
  • Capacity2TB
  • RPM7200 RPM
  • Cache128MB
  • Average Latency4.16ms

Options 2TB

As versões riscadas existem, mas não estão disponíveis aqui.

  • Enterprise-grade reliability for 24×7 workloads up to 550TB per year
  • High throughput with 12Gb/s SAS interface and 128MB cache
  • Maximum capacity per slot via industry-leading CMR technology
  • Consistent performance in dense multi-drive systems with dual processors
  • Low 4.16ms average latency at 7200 RPM for fast data access

2TB 7200 RPM SAS enterprise drive

This 3.5-inch internal hard drive delivers 2TB of capacity on a 12Gb/s SAS interface with a 128MB cache. It spins at 7200 RPM and uses conventional magnetic recording technology for consistent performance in 24x7 enterprise environments. The 512e sector format ensures broad compatibility with existing storage controllers and RAID configurations.

Replaces lower-capacity nearline SAS drives

The jump is worthwhile when workloads exceed 550TB per year and demand higher areal density in the same drive bay. Advanced write caching algorithms improve sustained throughput for bulk-data applications such as backup, archiving and media repositories. Dual processors and ramp-load technology maintain reliability under continuous multi-drive vibration.

Check controller and backplane compatibility

Verify that your SAS controller or HBA supports 12Gb/s speeds and 512e logical sector formatting. Confirm the 3.5-inch form factor fits the drive cage and that the 26.10mm height matches the bay specification. Ensure the system firmware recognises enterprise-class drives for optimal error recovery and SMART monitoring.

Pontos fortes

  • Enterprise-grade reliability for 24×7 workloads up to 550TB per year
  • High throughput with 12Gb/s SAS interface and 128MB cache
  • Maximum capacity per slot via industry-leading CMR technology
  • Consistent performance in dense multi-drive systems with dual processors
  • Low 4.16ms average latency at 7200 RPM for fast data access

Especificações

BrandSeagate
ModelST2000NM0135
PackagingBare Drive
Interface512e SAS
Capacity2TB
RPM7200 RPM
Cache128MB
Average Latency4.16ms
FeaturesCapacity-Optimized Enterprise Hard Drive for Bulk-Data Applications
- 1TB to 8TB*1, 3.5-inch enterprise drive with industry-leading conventional magnetic recording (CMR) technology
- Advanced Write Caching feature enables up to 100% performance improvement in random writes over last-generation drive
- 12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems
- State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-to-end SAS-based data integ
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.10mm
Width (maximum)101.85mm
Length (maximum)147.00mm
Peso de envio0.61 kg
Dimensões da embalagem165 × 131 × 38 mm

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Perguntas sobre este artigo

What physical space does this 3.5-inch drive need to mount in a server chassis?

It fits a standard 3.5-inch bay measuring up to 147.00mm long, 101.85mm wide and 26.10mm high, matching the industry-standard form factor for enterprise drives.

How is the SAS 12Gb/s interface connected and what step is often missed?

Connect the dual-port SAS cable to the backplane or HBA; the common mistake is using a single-port cable, which disables multipath I/O and cuts throughput in half.

What component may need replacement after years of 24×7 operation?

The drive is rated for 550TB per year workloads; after extended service the mechanical assembly may reach its 2 million hour MTBF limit and require full unit replacement.

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