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  • 1 TB to 8 TB 1 , 3.5-inch enterprise drive with industry-leading CMR technology, for maximum storage per storage slot
  • Advanced Write Caching feature utilises enhanced algorithms, resulting the industry's highest storage workload performance efficiencies
  • Reliable access to unstructured data in bulk storage applications
  • 12 Gb/s SAS and SATA 6 Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems
  • State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-toend SAS-based data integrity for accurate data storage
  • Industry-leading rotational vibration design helps ensure consistent performance in dense multi-drive systems
  • Engineered for 247 workloads of 550TB/yr - 10 that of desktop drives
  • Robust performance with dual processors, ramp load technology, top-cover-attached motor and humidity sensor for optimum performance in all chassis
  • On-demand PowerBalance feature available for lower power/performance in random read/write environments
  • Seagate Secure Self-Encrypting Drive featuring Instant Secure Erase for cost-saving drive retirement and secure data-at-rest protection 2

Best Fit Applications

  • Hyperscale applications/cloud data centres with replicated storage
  • Massive scale-out data centres and big data analytics
  • High-capacity density RAID storage
  • Mainstream enterprise external storage arrays
  • Distributed file systems, including Hadoop and Ceph
  • eph Enterprise backup and restore - D2D, virtual tape
  • Centralised surveillance

Maximum Capacity and Built for Speed

Random Write Performance

Supporting the industrys best response times for an 8 TB nearline drive, Seagates Enterprise Capacity 3.5 HDD enables the fastest data transfers thanks to our comprehensive advanced caching technology.

Meet your storage workload requirements in the most efficient and cost-effective data centre footprint available on the market today. With user-definable innovative technology advancements like PowerBalance™, PowerChoice™ and RAID Rebuild™, you have the control to tailor your bulk storage requirements for even greater improvements in lowering your total cost of ownership.

World-Class Reliability Meets High-Capacity

When building maximum density server and storage solutions with Seagates 8 TB Enterprise Capacity 3.5 HDD, you can rest easy knowing that your storage infrastructure can scale to meet your growing capacity needs while offering your users a consistent and predictable response rate. Built to support enterprise-class nearline workloads of 550 TB per year and backed by a 2M hour MTBF and 5-year limited warranty, the Enterprise Capacity 3.5 HDD ensures you can meet all of your bulk storage SLAs.

Reliable, Robust Bulk Data Storage for a 24×7 World

constellation es-3 overview 2-raid storage

High capacity storage for multi-drive chassis requires predictable and reliable performance. The Enterprise Capacity 3.5 HDD is built to support enterprise-class nearline workloads of up 550 TB per year, which is up to 10 the rated workload of desktop HDDs. Clearly, the Enterprise Capacity 3.5 HDD can help to ensure that you meet your rigorous bulk storage SLAs. Choose from 12 Gb/s SAS or SATA 6 Gb/s interfaces for easy integration into existing platforms.

Protect Data with SED Options

Enterprise Capacity 3.5 HDD protects data where it lives - on the drive. Choose from government-grade SED FIPS 140-2 option1or SED models with Seagate Instant Secure Erase2technology for easy and cost effective drive disposal.

IT PROs Rate Seagate Enterprise HDDs as Best-In-Class for Four Consecutive Years

Seagate was again selected by IT professionals as the 2016 Market Leader for Enterprise HDDs. Get the full report to see the survey data behind the voting for Market, Performance, Reliability, Price, Service & Support and Innovation Leaders.

2014 IT Brand Pulse Enterprise HDD Leader Award





Base Model


PowerBalance Model

Seagate Secure Model1


Seagate Secure SED-FIPS Model1,2

Special Features

Protection Information (T10 DIF)


Humidity Sensor






PowerChoice Technology


PowerBalance Technology



128 MB

Advanced Write Caching (Internal NOR flash)


Reliability/Data Integrity

Vibration, Non-operating: 10 Hz to 500 Hz (Grms)



2,000,000 hr

Reliability Rating @ Full 247 Operation (AFR)


Non-recoverable Read Errors per Bits Read, Max

1 sector per 10E15

Power-on Hours


Bytes per Sector


Warranty, Limited (years)



Spindle Speed (RPM)


Interface Access Speed (Gb/s)

12.0, 6.0, 3.0

Max Sustainable Transfer Rate


Average Latency (ms)


Interface Ports


Rotational Vibration @ 1,500 Hz (rad/s)


Power Consumption

Idling Average (W)

4.75 W

Average Operating Power

6.3 W

Power Supply Requirements

+12 V and +5 V


Temperature, Operating (C)

5C 60C

Shock, Operating Read/Write (Gs)

70/40 Gs

Shock, Non-operating, 1 ms/2 ms (Gs)



Height (mm/in)3

26.1 mm/1.028 in

Width (mm/in, max)3

101.85 mm/4.01 in

Depth (mm/in, max)3

147 mm/5.787 in

Weight (lb/g)

610 g/1.34 lb

Carton Unit Quantity


Cartons per Pallet / Cartons per Layer


No additional files, specification sheets, guides or documentation found for product.

Warranty: 60 Month Manufacturers Return To Base

Full manufacturers warranty details are available at the manufacturers (Seagate) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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