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Refurbished silver 3.5 inch bare SATA hard drive

Seagate

Seagate Constellation ES.3 ST1000NM0033 1TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5" Bare internal hard drive

SKU CH-5H4N-JKQR8 MPN ST1000NM0033

A 1 TB 3.5" enterprise hard drive with 7200 RPM, 128 MB cache and a SATA 6.0 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache128MB
  • UsageFor Enterprise Storage
  • Enterprise-grade reliability with 7200 RPM spindle speed
  • Fast data access via 128 MB cache buffer
  • High-throughput SATA 6.0 Gb/s interface
  • 1 TB capacity for large-scale storage arrays
  • 5-inch form factor fits standard server bays

Seagate Constellation ES.3 1TB SATA enterprise drive

The Seagate Constellation ES.3 ST1000NM0033 is a 1TB 3.5-inch internal hard drive built for enterprise storage workloads. It spins at 7200 RPM with a 128MB cache and connects through a SATA 6.0Gb/s interface. The unit is supplied as a bare drive and carries a refurbished condition.

Suited for bulk storage arrays and NAS.

This drive fits servers, RAID arrays and network-attached storage that need reliable capacity at 7200 RPM. It is less appropriate for tasks demanding solid-state response times or sustained random I/O performance beyond what a mechanical spindle can deliver. Buyers wanting silent desktop operation may also prefer a different class of drive.

SATA 6.0Gb/s interface determines host compatibility

The single specification that decides fit is the SATA 6.0Gb/s interface; the system must provide a matching SATA port and power connector. Capacity, spindle speed and cache are fixed at 1TB, 7200 RPM and 128MB respectively, so the interface is the only variable that governs whether the drive can be installed and used.

Highlights

  • Enterprise-grade reliability with 7200 RPM spindle speed
  • Fast data access via 128 MB cache buffer
  • High-throughput SATA 6.0 Gb/s interface
  • 1 TB capacity for large-scale storage arrays
  • 5-inch form factor fits standard server bays

Specifications

BrandSeagate
SeriesConstellation ES.3
ModelST1000NM0033
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity1TB
RPM7200 RPM
Cache128MB
UsageFor Enterprise Storage
Form Factor3.5"
Shipping weight0.91 kg
Package size152 × 107 × 25 mm

Questions about this item

What practical throughput does the SATA 6.0Gb/s interface cap at?

The SATA 6.0Gb/s interface caps theoretical throughput at 6.0 Gb/s; real-world sustained transfer rates are lower and depend on the 7200 RPM mechanical performance.

What physical space and mounting does the 3.5" form factor require?

The 3.5" form factor needs a standard 3.5-inch drive bay with side or bottom screw holes and room for SATA data and power cables at the rear.

How is the bare drive installed and what step is often missed?

Mount the bare drive in a 3.5" bay, connect SATA data and power cables, then initialise and format the 1000 GB volume in the OS — the formatting step is often skipped.

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