Overview
Specifications
Resources
Disclosures
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Ultrastar DC HC680 Data Center HDD
from Western Digital

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28TB data center SMR HDD with OptiNAND™ technology

The relentless growth of data means organizations must find ways to efficiently store ever more data. The Ultrastar DC HC680 28TB1 HDD with improved OptiNAND technology is the next step in high-capacity hard drives, allowing data centers to maximize their storage, especially in footprint- and power-constrained environments.

Product Details

Keep up with exponential data growth
The 28TB Ultrastar DC HC680 HDD with OptiNAND technology’s capacity-enabling features provides more efficient storage on a 10-disk SMR drive, enabling you to store more in the same footprint.

Innovative technologies for higher capacities
Improved OptiNAND technology, energy-assisted magnetic recording (EAMR), triple-stage actuator (TSA), and HelioSeal enable high capacity with low power.

Performance and protection
ArmorCache is a feature enabled by OptiNAND that offers higher performance in write cache disabled mode and provides enterprise power loss protection in write cache enabled mode.

Designed for data center workloads
The Ultrastar DC HC680 is performance-optimized to handle heavy application workloads of up to 550TB2 per year.

Built with reliability in mind
This robust drive delivers dependability in intense data center environments with up to 2.5M hours MTBF3(projected).

Quality and security
Provides additional peace of mind with a 5-year limited warranty.

Full Specifications

Features
  • New, improved OptiNAND technology enables more efficient storage footprint
  • Energy-assisted magnetic recording (eAMR), triple-stage actuator (TSA), and HelioSeal for high capacity with low power
  • ArmorCache improves performance and provides enterprise power loss protection
Capacity
26TB
Form Factor
3.5-Inch
Compatibility
  • Windows®
  • Windows Server®
  • Linux®
Interface
SATA
Transfer Rate
up to 261MB/s
Disk Speed (RPM)
7200 RPM
Recording Technology
SMR
Cache Size
512MB
Security
Base (SE)
In The Box

Ultrastar DC HC680 Data Center HDD

Warranty
5-Year Limited Warranty
Endurance (TBW)
550TB/Year
Dimensions (L x W x H)
5.79" x 4" x 1.03"
Weight
670gms
Operating Temperature
5°C to 60°C
Non-Operating Temperature
-40°C to 70°C
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Resources

Download Data Sheet

Zoned Storage Documentation and Resources

Ratings & Reviews

Disclosures

  1. One terabyte (TB) = one trillion bytes. Actual user capacity may be less due to operating environment.
  2. Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred X (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. 
  3. Projected values. Final MTBF and AFR specifications will be based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions, typical workload and 40°C device-reported temperature. Derating of MTBF and AFR will occur above these parameters, up to 550TB/year and 60°C (device-reported temperature). MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty.
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