Seagate 8TB Enterprise 3.5in SAS HDD w/ 256MB Cache

MX65112 8TB Enterprise 3.5in SAS HDD w/ 256MB Cache
MX65112 8TB Enterprise 3.5in SAS HDD w/ 256MB Cache

Product Info

8TB Enterprise Capacity 3.5in HDD

  • 8TB per drive for up to 33% more petabytes per rack than 6TB drives
  • Advanced Write Caching feature to utilize enhanced algorithms, resulting in the industry’s highest nearline storage workload performance efficiencies; 100% performance improvement in random writes over last-generation drive
  • Widely accepted, proven ninth-generation conventional perpendicular recording technology for reliable access to unstructured data in bulk storage applications
  • 12Gb/s SAS interface in industry-standard advanced formats 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-to-end SAS-based data integrity for accurate data storage
  • Industry-leading rotational vibration tolerance design helps ensure consistent performance in dense multi-drive systems
  • Engineered for 24x7 workloads of 550TB/yr - 10x 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
  • Seagate SeaTools™ diagnostic software to provide drive self-tests ensuring unnecessary downtime and maximizing TCO

Built for Speed; Exactly Where Needed

Among the industry's best response times for a 8TB nearline drive, the Seagate® Enterprise Capacity 3.5 HDD (Helium) helps enable some of the fastest data transfers possible. Meet your storage workload requirements with an efficient data center footprint.

Best Fit Applications

  • Hyperscale applications / cloud data centers with Replic ated Data
  • Massive scale-out data centers
  • High-capacity density RAID storage
  • Mainstream enterprise external storage arrays
  • Distributed file systems, including Hadoop and Ceph
  • Enterprise backup and restore - D2D, Virtual Tape, etc.
  • Centralized surveillance


  • Fast 8TB nearline hard drives in a robust sealed-drive architecture
  • Proven technology: Highest field reliability ratings & the best MTBF
  • Excellent IOPS/TB storage for unstructured data
  • Up to 21% improvement in IOPS/watt over similar HDDs on the market
  • 0.5W less power than other drives; ~ 6% power savings for a 9PB 42U rack

Incredibly High Capacity Paired with World-Class Reliability

When building maximum density server and storage solutions with Seagate's 8TB 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 an enterprise-class 2.0M hour MTBF with a 5-year limited warranty, helping to meet all of your bulk storage SLAs.

Seagate was again selected by IT professionals as the 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.

Real World TCO Improvements

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.


Make and Model Seagate Enterprise Capacity 3.5" HDD (Helium), 8TB
Part Number ST8000NM0075
HDD Capacity 8TB
Interface SAS (12 / 6 / 3 Gbps)
Cache 256MB Multisegmented Cache
Spin Speed 7,200 rpm
Format 512 or 4096 Bytes per sector
Average Latency 4.16 ms
Unrecoverable Read Errors 1 in 1015 per Bits Read
Special Features Multi-Step Forged Helium Sealed-Drive Design

Superior Wide-Weld Hermetically Sealed-Drive Enclosure

Digital Temperature, Humidity & Helium Pressure Sensors


Low Halogen

PowerChoice™ Idle Power Technology

PowerChoice™ Power / Performance Technology

RAID Rebuild

Hot-Plug Support

Organic Solderability Preservative

MTBF 2,000,000 hours
Temperature Operating: 5 ~ 60° C
Shock Operating: Reads: 70G (2ms) / Writes: 40G (2ms)
Non-Operating: 250G for 1ms / 2 ms
Vibration Non-Operating: 4.9Grms from 10 ~ 500hz
Power Consumption Random Reads: Up to 8.8W (4K/16Q)
Idle: 8.0W Average
Dimensions 147 x 102 x 26.1mm
Weight 780g