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Silver 3.5 inch internal hard drive bare drive no label visible

Seagate

Seagate IronWolf ST2000VN004 2TB 5900 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-ZXH0-9TGCR MPN ST2000VN004

A 2 TB, 5900 RPM SATA hard drive with 64 MB cache, CMR technology and AgileArray firmware built for 24×7 NAS and RAID use

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed5,900 RPM
  • Cache memory64 MB
  • Designed for 24/7 NAS operation with 1M hours MTBF
  • AgileArray technology enables dual-plane balancing and RAID optimisation in multi-bay systems
  • IronWolf Health Management focuses on prevention, intervention and recovery
  • Rotational vibration sensors maintain performance in multi-drive enclosures
  • 180TB yearly workload rate supports heavy multi-user NAS traffic

Capacity and interface

The Seagate IronWolf ST2000VN004 is a 2TB 3.5-inch internal hard drive with a SATA 6.0Gb/s interface and 5900 RPM spindle speed. It is built for always-on network-attached storage and carries a 64MB cache.

Suited for multi-bay NAS.

This drive targets NAS owners who run multi-bay enclosures and need RAID optimisation, dual-plane balancing and rotational vibration sensors for 24x7 operation. Builders who need a 2.5-inch form factor for laptops or external enclosures should look elsewhere, as the physical size is 3.5 inches. Users who want a drive rated for workloads above 180TB per year should also consider other options.

The 180TB per year workload rating decides fit

IronWolf Health Management and AgileArray firmware support prevention, intervention and recovery in compatible NAS units. The 1M-hour MTBF and 26.11mm height confirm the drive is designed for continuous multi-drive environments rather than occasional desktop storage.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $77.99
Cheaper than about 60% of the 4,938 comparable items (median $107.99).
Total capacity 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $39.00 per TB
Cheaper than about 71% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineIronWolf
Model nameST2000VN004
Total capacity2 TB
Recommended useFor NAS systems
Performance
Rotational speed5,900 RPM
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.85 mm
Maximum length146.99 mm
Shipping weight0.57 kg
Package size160 × 114 × 28 mm

Questions about this item

Does the SATA 6.0Gb/s interface limit the 5900 RPM drive's real-world throughput?

The SATA 6.0Gb/s link caps burst speed at 6 Gbit/s; sustained sequential transfers from the 5900 RPM platters typically run well below that ceiling.

Will the 3.5-inch form factor with 26.11 mm height fit my four-bay NAS tray?

The drive measures 146.99 mm long, 101.85 mm wide and 26.11 mm high — standard 3.5-inch dimensions that match most NAS hot-swap trays.

How do I install the bare drive in a NAS and what step is often missed?

Slide the drive into the tray, secure it with the supplied screws, connect SATA data and power cables, then enable AgileArray and IronWolf Health Management in the NAS firmware — the health monitoring step is frequently skipped.

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