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Seagate 3.5 inch internal hard drive, bare silver aluminium casing

Seagate

Seagate ST4000NM0085 4TB 7200 RPM 128MB 4Kn SATA 3.5" internal hard drive

SKU CH-F1QQ-VA84R MPN ST4000NM0085

A 3.5-inch enterprise hard drive with 4 TB of CMR storage, 7200 RPM speed and 128 MB cache for 24×7 bulk-data workloads

  • PackagingBare Drive
  • Interface4Kn SATA
  • Capacity4TB
  • RPM7200 RPM
  • Cache128MB
  • Average Latency4.16ms

Options 4TB

  • Enterprise-grade CMR technology maximises storage density per bay
  • 7200 RPM spindle speed delivers consistent throughput for bulk-data workloads
  • 128 MB cache with Advanced Write Caching boosts nearline performance efficiency
  • Engineered for 24×7 operation at 550 TB/year workload rating
  • 4Kn SATA 6 Gb/s interface ensures broad compatibility with RAID and replicated storage systems

4TB Enterprise Hard Drive

The Seagate ST4000NM0085 is a 4TB 3.5 inch internal hard drive built for enterprise storage servers and arrays. It spins at 7200 RPM with a 128MB cache and uses a 4Kn SATA 6Gb/s interface. The drive employs conventional magnetic recording technology and is engineered for continuous 24x7 operation with a 550TB per year workload rating.

Suited for RAID and bulk data; not for desktop boot

This drive suits administrators deploying replicated or RAID multi-drive systems that need consistent performance in dense chassis. It supports advanced write caching algorithms for high nearline workload efficiency. Buyers wanting a desktop boot drive or a drive for intermittent consumer use should look elsewhere because this unit is optimised for sustained enterprise duty cycles.

Check 4Kn support and 3.5 inch bay clearance

Verify that your host bus adapter, RAID controller or motherboard supports 4Kn sector addressing before ordering. The drive requires a standard 3.5 inch drive bay with at least 26.10mm height, 101.85mm width and 147.00mm length clearance. Ensure your power supply provides a SATA power connector and that your backplane or cabling matches the SATA 6Gb/s interface.

Privalumai

  • Enterprise-grade CMR technology maximises storage density per bay
  • 7200 RPM spindle speed delivers consistent throughput for bulk-data workloads
  • 128 MB cache with Advanced Write Caching boosts nearline performance efficiency
  • Engineered for 24×7 operation at 550 TB/year workload rating
  • 4Kn SATA 6 Gb/s interface ensures broad compatibility with RAID and replicated storage systems

Specifikacijos

BrandSeagate
ModelST4000NM0085
PackagingBare Drive
Interface4Kn SATA
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
Siuntos svoris0.91 kg
Pakuotės dydis254 × 203 × 152 mm

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Will this 3.5-inch SATA drive fit in my desktop case and connect to a standard motherboard port?

The drive uses the 3.5-inch form factor with a SATA 6Gb/s interface, matching standard desktop drive bays and motherboard connectors.

Can I add this 4Kn SATA drive to an existing RAID array that uses 512e drives?

Mixing 4Kn and 512e sector formats in the same array is not recommended; the controller must support 4Kn natively for this drive to work correctly.

How can I verify the drive is running at its rated 7200 RPM and 128MB cache after installation?

Check the reported RPM and cache size in BIOS or with a tool like CrystalDiskInfo; they should read 7200 RPM and 128MB respectively.

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