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Seagate 8TB 3.5-inch SAS internal hard drive

Seagate

Seagate ST8000NM0075 8TB 7200 RPM SAS 12Gbps 3.5" 256MB internal hard drive

SKU CH-3KBE-ZSEQB

An 8 TB SAS drive spinning at 7200 RPM with 256 MB cache for high-capacity server storage

  • Total capacity8 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Average seek time4.16 ms
  • 8 TB capacity stores large enterprise datasets
  • SAS 12 Gb/s interface delivers fast data throughput
  • 7200 RPM spindle speed supports responsive transaction workloads
  • 256 MB cache buffers bursts for smoother I/O
  • 16 ms average seek time reduces access latency

Enterprise storage drive

The Seagate ST8000NM0075 is an 8TB 3.5-inch internal hard drive built for continuous operation in servers and storage arrays. Its SAS 12Gbps interface and 7200 RPM spindle suit workloads that demand sustained throughput and predictable latency.

SAS 12Gbps interface and 256MB cache

The dual-port SAS connection provides redundant paths to the controller, while the 256MB cache absorbs bursty write traffic and reduces average seek time to 4.16ms. These features improve data integrity and keep queues short during heavy transaction processing.

8TB capacity for dense arrays

Eight terabytes fit in a standard 3.5-inch bay, letting administrators scale raw capacity without expanding chassis count. The drive handles email databases, SAN volumes and NAS shares comfortably, but workloads needing lower latency or higher IOPS will require solid-state alternatives.

How it compares

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

Price $232.99
Pricier than about 74% of the 4,938 comparable items (median $107.99).
Total capacity 8 TB
Higher than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $29.12 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
Part numberST8000NM0075
Total capacity8 TB
Performance
Rotational speed7,200 RPM
Average seek time4.16 ms
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Will the 256 MB cache require any replacement or servicing later?

The 256 MB cache is integrated into the drive electronics and has no separate service interval or replacement schedule.

What is the first limit reached during sustained use on the SAS 12Gb/s interface?

The mechanical 7200 RPM rotational speed and 4.16 ms average seek time set the sustained throughput ceiling before the 12 Gb/s link saturates.

How much heat and noise does the 3.5 inch 8TB drive produce when running all day?

The 3.5 inch form factor at 7200 RPM generates typical enterprise-level heat and acoustic output for continuous operation.

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