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Silver 3.5-inch bare hard drive with circuit board visible

Seagate

Seagate ST4000NM0065 4TB 7200 RPM SAS 12Gb/s 128MB 3.5" internal hard drive

SKU CH-4K52-WN63C MPN ST4000NM0065

4 TB 7200 RPM SAS 12 Gb/s 3.5" enterprise drive with 128 MB cache and CMR technology for 24x7 bulk-data workloads

  • PackagingBare Drive
  • Interface512n SAS
  • Capacity4TB
  • RPM7200 RPM
  • Cache128MB
  • Average Latency4.16ms
  • Enterprise capacity with industry-leading CMR technology
  • 7200 RPM and 128 MB cache for high throughput
  • 12 Gb/s SAS interface for easy RAID integration
  • Engineered for 24x7 workloads of 550 TB per year
  • Advanced Write Caching with dual processors for consistent performance

Enterprise 4 TB SAS 12Gb/s drive

The Seagate ST4000NM0065 is a 3.5-inch internal hard drive built for enterprise storage arrays and servers. It delivers 4 TB of capacity on a 12Gb/s SAS interface with a 7200 RPM spindle and 128 MB cache. Conventional magnetic recording technology ensures consistent performance in dense, multi-drive environments.

Replaces lower-capacity nearline SAS drives

This model upgrades from smaller enterprise SAS drives when bulk-data workloads demand higher density per slot. The 550 TB per year workload rating supports 24×7 operation at ten times the endurance of desktop-class drives. Advanced write caching algorithms boost efficiency for random read and write patterns.

Verify SAS backplane and 12Gb/s controller support

Confirm your chassis accepts 3.5-inch drives with a 26.10 mm height and standard SAS power and data connectors. A 12Gb/s SAS HBA or RAID controller is required to utilise the full interface speed. The 512n sector format simplifies integration into existing RAID sets without 512e or 4Kn translation overhead.

Punti di forza

  • Enterprise capacity with industry-leading CMR technology
  • 7200 RPM and 128 MB cache for high throughput
  • 12 Gb/s SAS interface for easy RAID integration
  • Engineered for 24x7 workloads of 550 TB per year
  • Advanced Write Caching with dual processors for consistent performance

Caratteristiche tecniche

BrandSeagate
ModelST4000NM0065
PackagingBare Drive
Interface512n SAS
Capacity4TB
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 di spedizione0.68 kg
Dimensioni del pacco305 × 254 × 203 mm

Domande su questo articolo

Will the 26.10 mm height and 101.85 mm width fit a standard 3.5-inch drive bay?

Yes, the drive meets the 3.5-inch form-factor maximums of 26.10 mm height and 101.85 mm width, so it fits any standard bay and tray.

How do I connect the 12 Gb/s SAS interface, and what is the common mistake?

Attach a SAS 12 Gb/s cable to the drive's SAS port and a compatible controller; the frequent error is using a SATA-only backplane or controller that cannot negotiate the 12 Gb/s link.

When should I plan to replace this drive under a 550 TB-per-year workload?

The drive is engineered for 550 TB per year; divide your actual annual writes by 550 to estimate the service interval, then replace before that limit is reached.

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