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Silver 3.5 inch SAS hard drive bare drive label visible

Seagate

Seagate ST1000NM001A 1TB 7200RPM 256MB SAS 3.5 internal hard drive

SKU CH-S0C4-PB99Z MPN ST1000NM001A

Enterprise 1 TB SAS hard drive spins at 7200 RPM with 256 MB cache for 24/7 bulk data storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity1TB
  • NAND Flash Memory TypeOthers
  • RPM7200 RPM
  • Cache256MB

Options 1TB Standard Model

  • 1TB capacity for bulk data storage
  • 7200 RPM spindle speed for responsive access
  • 256MB cache to accelerate read and write operations
  • SAS 12Gb/s interface for high-throughput enterprise connectivity
  • 5-inch form factor fits standard desktop drive bays

Enterprise Bulk Storage

The Seagate Exos 7E8 ST1000NM001A is a 1TB 3.5-inch internal hard drive built for enterprise bulk data applications. It spins at 7200 RPM with a 256MB cache and connects through a SAS 12Gb/s interface. The bare drive uses conventional magnetic recording technology optimised for 247 operation in data centre infrastructures.

Target Environment

This drive suits IT professionals and data centre architects who need reliable, high-capacity storage for unstructured data workloads. Buyers who require a different interface protocol or a smaller physical form factor should look at other product lines. The SAS connection demands a compatible controller or backplane for installation.

Deciding Specification

The SAS 12Gb/s interface is the single specification that determines whether this drive fits the target system. Only platforms with native SAS support or appropriate host bus adapters can communicate with this unit. Verify controller compatibility before purchase to ensure the drive will function in the intended enclosure.

Highlights

  • 1TB capacity for bulk data storage
  • 7200 RPM spindle speed for responsive access
  • 256MB cache to accelerate read and write operations
  • SAS 12Gb/s interface for high-throughput enterprise connectivity
  • 5-inch form factor fits standard desktop drive bays

Specifications

BrandSeagate
SeriesExos 7E8
ModelST1000NM001A
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity1TB
NAND Flash Memory TypeOthers
RPM7200 RPM
Cache256MB
Average Latency12Gb/s
FeaturesHard Drive
Form Factor3.5"
Shipping weight0.91 kg
Package size254 × 203 × 152 mm

Other versions of this model

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Questions about this item

How does the 7200 RPM spindle speed affect sustained write performance?

The 7200 RPM rotation provides consistent throughput for bulk data workloads, supported by a 256MB cache to absorb write bursts during 247 operations.

What is the typical power draw and noise level when the Exos 7E8 runs continuously?

Designed for 247 enterprise duty, the drive balances power consumption and acoustics for rack-mounted arrays, though exact watts and decibels vary by workload.

Does this SAS 12Gb/s drive need a specific controller or backplane to operate?

Yes, it requires a SAS 12Gb/s host bus adapter or RAID controller and a 3.5-inch drive bay with SAS power and data connectors.

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