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Silver 3.5 inch enterprise hard drive bare drive with SAS connector

Seagate

Seagate ST2000NM0023 2TB 7200 RPM 128MB SAS 3.5" internal hard drive

SKU CH-7FRJ-GRDJD MPN ST2000NM0023

Enterprise 2TB SAS drive with 7200 RPM and 128MB cache for 24x7 bulk storage

  • Total capacity2 TB
  • Interface typeSAS 6Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM

Capacity 2TB

  • 24x7 enterprise reliability with sixth-generation SAS technology
  • 7200 RPM predictable performance for continuous workloads
  • 128 MB cache accelerates data access speeds
  • 16 ms average latency supports responsive operations
  • 2 TB capacity in 3.5 inch form factor

Enterprise 24x7 storage drive

The Seagate Constellation ES.3 ST2000NM0023 is a 2TB 3.5-inch enterprise hard drive built for 24x7 operation. It spins at 7200 RPM with a 128MB cache and connects through a SAS 6Gb/s interface. The bare drive measures 147.00mm long, 101.85mm wide and 26.10mm high.

Best for RAID arrays and servers

This drive suits administrators who need predictable performance in multi-drive SAS environments with enhanced error correction and end-to-end data integrity. Buyers who want a desktop boot drive or external storage without a SAS controller should look at something else.

SAS 6Gb/s interface requirement

The drive uses a SAS 6Gb/s interface that requires a compatible host bus adapter or RAID controller for operation. It will not connect to standard desktop motherboard ports.

How it compares

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

Price $89.99
Cheaper than about 56% 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 $45.00 per TB
Cheaper than about 65% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineConstellation ES.3
Model nameST2000NM0023
Total capacity2 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Flash memory typeHard Drive
Cache memory128 MB
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.69 kg
Package size147 × 102 × 25 mm

Other versions of this model

3 more in the same range

Questions about this item

Should I pick the 2TB capacity or a larger SAS drive for my storage array?

The ST2000NM0023 provides 2TB of enterprise-grade capacity; choose it if your array design matches this density and you need 7200 RPM performance with 128MB cache.

What does 7200 RPM with 128MB cache deliver in a live server?

It gives predictable 7200-RPM throughput and low 4.16ms average latency for 24x7 bulk data workloads in SAS environments.

The drive uses SAS 6Gb/s — what real-world throughput ceiling does that impose?

The SAS 6Gb/s interface caps the maximum transfer rate at 6Gb/s, so sustained reads and writes cannot exceed that link speed.

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