We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver 3.5-inch bare enterprise hard drive with exposed circuit board and SAS connector

Seagate

Seagate Exos 7E8 ST2000NM0045 2TB 7.2K SAS 12Gb/s 3.5" internal hard drive

SKU CH-0422-JQWSR MPN ST2000NM0045

A 2TB 7.2K RPM SAS 12Gb/s enterprise hard drive with 128MB cache and CMR technology for 24x7 workloads up to 550TB/yr

  • Total capacity2 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory128 MB

Capacity 2TB

  • Enterprise-grade reliability for 24/7 workloads up to 550TB/yr
  • High-density 2TB capacity in standard 3.5" form factor
  • SAS 12Gb/s interface enables fast data transfer rates
  • 128MB cache and 7200 RPM deliver responsive performance
  • CMR technology with advanced write caching improves random write speeds

2 TB SAS drive for enterprise storage

The Seagate Exos 7E8 ST2000NM0045 is a 3.5-inch enterprise hard drive with a 2 TB capacity and a SAS 12Gb/s interface. It spins at 7200 RPM and uses conventional magnetic recording technology. The drive is engineered for 24x7 workloads of 550 TB per year and targets hyperscale applications, cloud data centres and massive scale-out environments.

Thermals noise and power in normal use

The drive operates within standard enterprise temperature ranges and its rotational vibration design helps maintain consistent performance in dense multi-drive systems. Advanced write caching enables up to 100 percent improvement in random writes over the previous generation. Dual processors and ramp load technology contribute to robust operation during continuous duty cycles.

Build fit SAS interface and 3.5 inch form

The bare drive uses an industry-standard 3.5-inch form factor measuring 147.00 mm long, 101.85 mm wide and 26.10 mm high. It requires a SAS 12Gb/s backplane or controller and a 3.5-inch drive bay with appropriate power connectors. The 512n sector format and SATA 6Gb/s compatibility simplify integration into replicated and RAID multi-drive storage servers.

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 2 TB
Typical for this category: the median of 2,372 items is 2 TB.
Price per TB $58.00 per TB
Typical for this category: the median of 2,365 items is $62.21 per TB.

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSeagate
Product lineExos 7E8
Model nameST2000NM0045
Total capacity2 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency4.16 ms
Storage
Cache memory128 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.85 mm
Maximum length147 mm
Shipping weight0.61 kg
Package size163 × 128 × 3 mm

Other versions of this model

3 more in the same range

Questions about this item

How do I install this 3.5-inch SAS drive and what step is often missed?

Mount the drive in a 3.5-inch bay using the 101.85mm width and 147.00mm length, connect a SAS 12Gb/s cable and a SAS power connector, then ensure the controller initialises the 512n sector format before creating volumes.

What maintenance or replacement will this 2TB enterprise drive need later?

The drive is engineered for 24x7 workloads of 550TB per year; plan replacement when SMART attributes indicate reallocated sectors or when cumulative written data approaches the rated annual limit.

What limit appears first during sustained writes on this 7200 RPM SAS drive?

The 12Gb/s SAS interface caps sustained throughput at 12Gb/s, and the 128MB cache fills quickly, so the 7200 RPM mechanical latency of 4.16ms becomes the bottleneck under continuous random writes.

More in 3.5-Inch Internal Desktop HDDs

Similar items