Enterprise Capacity 3.5 HDD (Helium)

Maximum Storage Capacity for the Highest Rackspace Efficiency

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What’s in the Hard Drive?
  • Fast 10TB nearline hard drive in a robust sealed-drive architecture
  • At 550TB/yr, it’s 10× the workload rating of desktop drives
  • Proven technology backed by the industry’s best MTBF at 2.5M hours
  • Incredible rackspace efficiency

10PB of Data in a single 42U Rack

  • Up to 12TB per drive(1) for up to 50% more petabytes per rack(2)
  • Robust, forged helium sealed-drive technology with drop-in PMR compatibility for easy system integration
  • Industry's lowest power and weight for optimum data center TCO
  • Field-proven, eleventh-generation technology featuring power, performance and reliability enhancements
  • Delivering high performance and high capacity for both SATA and SAS environments
  • Data-at-rest is protected with Seagate Secure® technology
  • Have confidence in data delivery with a drive that helps to ensure consistent 24✕7 performance
  • Backed by a 2.5M-hour MTBF and a 5-year limited warranty

Compare generations and models

1. Seagate recommends validating your configuration with your HBA/RAID controller manufacturer to help ensure full capacity capabilities.
2. Compared to 8TB product in a 42U rack.

20%

Better random write performance (over 8TB competitive air-based HDDs)

Built for Speed—Exactly Where It Is Needed

Among the industry’s best response times for a 12TB nearline drive, the Seagate® Enterprise Capacity 3.5 HDD (Helium) helps to enable some of the fastest data transfers possible.

Meet your storage workload requirements with an efficient data center footprint. Innovative technology advancements like PowerBalance™, PowerChoice™ and RAID Rebuild™, allow you to have the control to customize your bulk storage requirements for even greater TCO improvements.

Learn More About Seagate’s Helium Technology

Incredibly High Capacity Paired with World-Class Reliability

When building maximum density server and storage solutions with Seagate’s Enterprise Capacity 3.5 HDD (Helium), you can rest easy knowing that your storage infrastructure can scale to meet your growing capacity needs while offering consistent and predictable response rates.

Enterprise Capacity 3.5 HDD (Helium) supports enterprise-class nearline workloads of 550TB/yr and is backed by a 2.5M-hour MTBF and 5-year limited warranty, helping to meet all of your bulk storage SLAs.

Watch the Video >

Up to

50 %

More petabytes per rack


10 Grams

lighter per drive
(2% less weight than competitive HDD in a 10PB 42U Rack)

2.5 M hrs

MTBF (mean time between failures)

550 TB/year

Workload rating
(10x that of desktop drives)

What’s in the Hard Drive?

  • Fast 12TB and 10TB nearline hard drives in a robust sealed-drive architecture
  • 550TB/yr—10× the workload rating of desktop drives
  • Proven technology backed by highest field reliability ratings and the industry’s best MTBF at 2.5M hours
  • Choose 6Gb/s SATA or 12Gb/s SAS interface for drop-in system integration
  • Excellent IOPS/TB storage for unstructured data
  • Up to 21% improvement in IOPS/watt over similar 12TB HDDs on the market
  • 0.5 watts less power than other drives—approximately a 6% savings for a 10PB solution
  • 10 grams lighter per drive—approximately a 2% weight reduction in a 10PB rack-based solution

IT Pros Rate Seagate Enterprise HDDs as Best-In-Class for a 5th Consecutive Year

Seagate was again selected by IT professionals as the 2017 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.

Learn More

Model Data Sheet User Manual Capacity Max. Sustained Transfer Rate OD (MB/s) Options
Enterprise Capacity 3.5 HDD v7 (Helium) SED Model (4Kn) 12TB
ST12000NM0057
12TB 261MB/s Encryption
Enterprise Capacity 3.5 HDD v7 (Helium) SED Model (512e) 12TB
ST12000NM0037
12TB 261MB/s Encryption
Enterprise Capacity 3.5 HDD v7 (Helium) Standard Model (512e) 12TB
ST12000NM0027
12TB 261MB/s Standard
Enterprise Capacity 3.5 HDD v7 (Helium) Standard Model (4Kn) 12TB
ST12000NM0067
12TB 261MB/s Standard
Enterprise Capacity 3.5 HDD v7 (Helium) SED-FIPS Model (4Kn) 12TB
ST12000NM0167
12TB 261MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD v7 (Helium) Standard Model (512e) 12TB
ST12000NM0007
12TB 261MB/s Standard
Enterprise Capacity 3.5 HDD v7 (Helium) SED-FIPS Model (512e) 12TB
ST12000NM0137
12TB 261MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD v7 (Helium) SED Model (4Kn) 12TB
ST12000NM0077
12TB 261MB/s Encryption
Enterprise Capacity 3.5 HDD v7 (Helium) SED-FIPS Model (512e) 12TB
ST12000NM0147
12TB 261MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD v7 (Helium) Standard Model (4Kn) 12TB
ST12000NM0047
12TB 261MB/s Standard
Enterprise Capacity 3.5 HDD v7 (Helium) SED-FIPS Model (4Kn) 12TB
ST12000NM0157
12TB 261MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD v7 (Helium) SED Model (512e) 12TB
ST12000NM0017
12TB 261MB/s Encryption
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 512e SATA Hyperscale
ST10000NM0016
10TB 249MB/s Hyperscale 512e
Enterprise Capacity 3.5 HDD (Helium) V6 10TB, 512e SATA Standard
ST10000NM0086
10TB 254MB/s Standard
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 512e SATA SED-FIPS
ST10000NM0176
10TB 254MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 4Kn SATA SED-FIPS
ST10000NM0186
10TB 254MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 4Kn SATA SED
ST10000NM0166
10TB 254MB/s Encryption
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 4Kn SAS Standard
ST10000NM0206
10TB 254MB/s Standard
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 512e SATA SED
ST10000NM0156
10TB 254MB/s Encryption
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 512e SAS SED
ST10000NM0216
10TB 254MB/s Encryption
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 4Kn SAS SED
ST10000NM0226
10TB 254MB/s Encryption
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 512e SAS Standard
ST10000NM0096
10TB 254MB/s Standard
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 512e SAS SED-FIPS
ST10000NM0236
10TB 254MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 4Kn SATA Standard
ST10000NM0146
10TB 254MB/s Standard
Enterprise Capacity 3.5 HDD (Helium) V6 10TB 4Kn SAS SED-FIPS
ST10000NM0246
10TB 254MB/s Encryption/FIPS
Enterprise Capacity 3.5 HDD 8TB 512e SAS Standard
ST8000NM0156
8TB 249MB/s Standard
Enterprise Capacity 3.5 HDD (Helium) V6 8TB 512e SATA Hyperscale
ST8000NM0016
8TB 249MB/s Hyperscale 512e