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Silver 3.5 inch SATA hard drive with circuit board visible

Seagate

Seagate internal hard drive

SKU CH-4N95-R9BJ3

A 2TB 3.5" desktop hard drive with 5900 RPM speed and 64MB cache for NAS storage

  • Total capacity2 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed5,900 RPM
  • Cache memory64 MB
  • Average seek time<12.0 ms
  • 2 TB capacity stores large media libraries and backups
  • 5900 RPM spindle speed delivers steady throughput for NAS workloads
  • 64 MB cache buffers bursts for smoother multi-user access
  • SATA 6.0 Gb/s interface fits standard desktop and NAS bays
  • 5 inch form factor mounts in common drive cages

Capacity and interface

This 2 TB Seagate IronWolf drive connects through a SATA 6.0Gb/s interface and spins at 5900 RPM with 64 MB cache. It is built for desktop systems that need bulk storage in a standard 3.5 inch form factor. The new drive delivers average seek and write times below 12.0 ms and 5.1 ms latency.

Best for multi-bay NAS and desktop arrays

The drive suits users who want high-capacity mechanical storage for network-attached servers or desktop towers with multiple bays. It is not intended for laptops or small-form-factor PCs that only accept 2.5 inch drives. Buyers who need the low latency of solid-state storage should consider other technologies.

5900 RPM spindle speed

The 5900 RPM spindle speed determines the drive's sustained throughput and access latency. At this rotation rate the drive balances throughput, acoustics and power draw for always-on workloads. If your application demands higher random-access performance, a faster-spinning mechanical drive or an SSD will be required.

How it compares

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

Price $141.99
Pricier than about 58% 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 $71.00 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

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Specifications

Product
Brand nameSeagate
Product lineIronWolf
Model nameST2000VN004
Total capacity2 TB
Performance
Rotational speed5,900 RPM
Average seek time<12.0 ms
Mean write time<12.0 ms
Mean latency5.1 ms
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height20.2 mm
Maximum width101.6 mm
Maximum length147 mm

Questions about this item

Should I pick the 2TB IronWolf or a larger capacity for my NAS?

The 2TB model suits smaller arrays or budget builds; higher-capacity IronWolf drives exist but are separate SKUs not covered here.

What does the 5900 RPM speed mean for real-world NAS performance?

The 5900 RPM spindle provides consistent throughput for RAID workloads while balancing power draw and acoustics in always-on enclosures.

How does the SATA 6.0Gb/s interface limit actual transfer rates?

The SATA 6.0Gb/s link caps burst transfers at 6.0 Gb/s; sustained reads and writes stay within the drive's 5900 RPM mechanical limits.

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