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Silver 3.5-inch SATA hard drive with green circuit board visible

Seagate

Seagate ST4000NT001 4TB 3.5" SATA internal hard drive

SKU CH-RS2T-DC791

A 3.5-inch SATA internal hard drive built for 24/7 NAS use with 4TB capacity, 7200 RPM, 256MB cache and 180TB yearly workload rating

  • InterfaceSATA 6.0Gb/s
  • Capacity4TB
  • Recording TechnologyCMR
  • RPM7200 RPM
  • Cache256MB
  • 4 TB capacity stores large media libraries
  • 7200 RPM spindle speed delivers fast data access
  • 256 MB cache improves burst transfer performance
  • SATA 6.0 Gb/s interface ensures broad system compatibility
  • CMR recording technology provides consistent write reliability

4 TB NAS Hard Drive

The Seagate ST4000NT001 is a 3.5 inch internal hard drive built for network attached storage systems. It delivers 4 TB of capacity through a SATA 6.0Gb/s interface and uses conventional magnetic recording technology. The drive is engineered for continuous 24/7 operation in multi drive enclosures.

Suited for Always On NAS

This drive fits home and small office NAS units that demand 24/7 uptime and vibration tolerance across multiple bays. It supports an annual workload rating of 180 TB per year for heavy file sharing and backup tasks. Builders who need faster random access or a non mechanical interface should look at solid state alternatives.

Capacity and Workload Headroom

Four terabytes provides ample room for media libraries, document archives and scheduled backups in a single bay. The 256 MB cache and 7200 RPM spindle speed sustain steady throughput for simultaneous streams. Workloads exceeding 180 TB per year or applications needing lower latency will push beyond the design envelope.

Helstu kostir

  • 4 TB capacity stores large media libraries
  • 7200 RPM spindle speed delivers fast data access
  • 256 MB cache improves burst transfer performance
  • SATA 6.0 Gb/s interface ensures broad system compatibility
  • CMR recording technology provides consistent write reliability

Tæknilýsing

BrandSeagate
SeriesIronWolf Pro
ModelST4000NT001
InterfaceSATA 6.0Gb/s
Capacity4TB
Recording TechnologyCMR
RPM7200 RPM
Cache256MB

Spurningar um þessa vöru

Do I need a SATA 6.0 Gb/s port and 3.5-inch bay to install the ST4000NT001?

Yes — it connects via SATA 6.0 Gb/s and fits a standard 3.5-inch drive bay, so both the port and the bay must be available in the host system.

Will the 5900 RPM IronWolf Pro run reliably alongside older 7200 RPM drives in the same NAS?

The drive is built for 24/7 multi-drive NAS use with vibration management and a 180 TB per year workload rating, so it operates stably beside faster-spinning drives.

How can I confirm the 256 MB cache and CMR recording are active after setup?

Check the drive’s reported cache size and recording technology in the NAS management software or SMART data; they should show 256 MB cache and CMR.

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