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Silver 3.5-inch bare SATA hard drive with exposed circuit board

Seagate

Seagate Exos 7E8 ST4000NM0035 4TB 7200 RPM 128MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-MXX9-F3206 MPN ST4000NM0035

Enterprise 3.5-inch SATA drive with 4TB CMR storage, 7200 RPM speed and 128MB cache built for 24×7 workloads up to 550TB per year

  • Total capacity4 TB
  • Interface typeSATA 6.0Gb/s
  • Packaging typeBare Drive
  • Flash memory typeSLC
  • Rotational speed7,200 RPM
  • Cache memory128 MB

Capacity 4TB

  • Enterprise-grade CMR technology maximises storage density per bay
  • 7200 RPM spindle and 128 MB cache deliver high throughput for bulk data
  • 550 TB annual workload rating supports continuous 24×7 operation
  • SATA 6.0 Gb/s interface enables easy integration into RAID and replicated servers
  • Advanced Write Caching with TurboBoost boosts performance and protects data on power loss

Enterprise Capacity for 24/7 Workloads

The Seagate Exos 7E8 ST4000NM0035 is a 4TB 3.5-inch internal hard drive built for enterprise storage servers and business NAS systems. It spins at 7200 RPM with a 128MB cache and connects via a SATA 6.0Gb/s interface. The drive uses CMR technology and is engineered for continuous operation with a 550 TB per year workload rating.

Suited for RAID Arrays and Bulk Storage

This drive fits administrators who need reliable access to unstructured data in replicated or RAID multi-drive environments. Advanced Write Caching and dual processors deliver consistent performance in dense chassis. It is not for buyers who need a desktop drive rated for lighter annual workloads or a laptop form factor.

Verify SATA Bay and Power Before Installing

Confirm your server or NAS has an available 3.5-inch drive bay supporting SATA 6.0Gb/s and can supply power to a 7200 RPM enterprise drive. The unit measures 147.00mm long, 101.85mm wide and 26.10mm high. It ships as a bare drive without cables or mounting brackets.

How it compares

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

Price $115.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $29.00 per TB
Cheaper than about 84% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineExos 7E8
Model nameST4000NM0035
Total capacity4 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Flash memory typeSLC
Cache memory128 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Max height26.1 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.68 kg
Package size152 × 102 × 25 mm

Other versions of this model

3 more in the same range

Questions about this item

What motherboard connection do I need for this SATA 6.0Gb/s drive to work?

A free SATA 6.0Gb/s port on the motherboard or a compatible host-bus adapter, plus a standard SATA data cable and a SATA power connector from the power supply.

Will this 7200 RPM enterprise drive work in the same RAID array as my existing 3.5-inch SATA drives?

Yes, the drive uses the standard SATA 6.0Gb/s interface and 512n sector format, so it can join a RAID set with other 3.5-inch SATA drives; the array will run at the speed of the slowest member.

How can I confirm the drive is healthy and running at 7200 RPM after installation?

Check SMART data for zero reallocated sectors and a rotational speed reading of 7200 RPM, and verify the firmware reports model ST4000NM0035 with 128MB cache.

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