Western Digital Ultrastar DC HC330 10TB 7200 RPM Internal Hard Drive



The Ultrastar DC HC300-series provides low to mid-capacity drives that are economical to acquire, yet deliver quick and reliable data access for traditional data center applications.

  • Hard drive
  • encrypted
  • 10 TB
  • internal
  • 3.5″
  • SATA 6Gb/s
  • 7200 rpm
  • buffer: 256 MB
  • Self-Encrypting Drive (SED)


  • 4TB-10TB capacities support both OEM & Cloud deployments
  • Common Hardware & Firmware to minimize redundant testing needs
  • Advanced Format 512e models
  • Self-encrypting drive options
  • 5-year limited warranty

Applications and Workloads

  • Distributed file systems, like Apache Hadoop®, to support Big Data analytics
  • Rack-mounted storage enclosures
  • Server-based distributed storage systems
  • Direct & Network Attached Storage (DAS & NAS)
  • RAID configurations


The Ultrastar DC HC300-series provides low to mid-capacity drives that are economical to acquire, yet deliver quick and reliable data access for traditional data center applications.

Economical Capacities And Fast Data Access Key Requirements For HDDs In The Data Center

IT managers need to offer storage tiers as they deploy purpose-built solutions to meet their on-prem, off-prem & cloud storage requirements. While helium filled drives enable the highest capacities, air-filled drives offer important benefits. With a lower TCA (total cost of acquisition), legacy options, and higher access density (IOPs/TB), they are the perfect choice for maintaining a desired level of performance while allowing customers to tailor budgets to meet their needs. The Ultrastar® DC HC300-series help to address data center requirements by providing capacities from 4TB to 10TB1 while increasing performance over prior generations. They are designed for a variety of applications including traditional storage arrays, rack-mounted storage enclosures and server-based distributed storage systems, as well as distributed and scalable computing, including block and file storage architectures. They are offered at 7,200 RPM with either 6Gb/s SATA or 12Gb/s SAS interface in Advanced Format 4Kn and512e format2. A 512n option is also available on 4TB models to support legacy systems with native 512-byte block sizes.

Technology Innovation Delivers Efficiency And Performance For Traditional And Legacy Systems

Ultrastar DC HC300-series are based on a proven and cost-efficient air-based HDD platform design, with Conventional Magnetic Recording (CMR) technology in a 3.5-inch large form factor. These HDDs leverage common hardware and firmware while featuring a second-generation, dual-stage microactuator to enhance head positioning accuracy for better drive performance. Write performance gains are also supported by Western Digital’s media cache architecture, a disk-based caching technology that provides a large cache area on the disk, improving reliability and data integrity. Finally, the addition of a flash-based non-volatile cache (NVC) on both SATA and SAS models helps improve write performance.



Brand WD
Product Line WD Ultrastar DC HC330
Model WUS721010ALE6L4
Hard Drive Type Internal hard drive
Form Factor 3.5″
Form Factor (metric) 8.9 cm
Form Factor (Short) 3.5″
Form Factor (Short) (metric) 8.9 cm
Storage Interface Serial ATA-600
Interface Serial ATA-600
Capacity 10 TB
Average Seek Time 8 millisecond
Average Latency 4.16 millisecond
Data Transfer Rate 600 MBps
Internal Data Rate 260 MBps
Buffer Size 256 megabyte, 256 megabyte
Spindle Speed 7200 revolutions per minute
Bytes per Sector 512
Non-Recoverable Errors 1 per 10^15
Load / Unload Cycles 600,000
24×7 Operation Yes
Features 24×7 availability, Advanced format 512e, Rotational Vibration (RV) compensation technology, Secure Erase function
Interface Provided
Interfaces 1 x SATA 6 Gb/s
Bay Required
Compatible Bay 3.5″
Power Consumption
Power Consumption 8 Watt (idle), 9.2 Watt (typical)
Encryption Details Self-Encrypting Drive (SED)
Hardware Encryption Yes
MTBF 2,000,000 Hours
Compliant Standards RoHS
Dimensions & Weight
Width 4 inch
Depth 5.8 inch
Height 1 inch
Weight 26.45 ounce
Service & Support
Warranty 5-year warranty
Shock & Vibration Tolerance
Shock Acceleration (Operating) 70 gram
Shock Duration (Operating) 2 ms half-sine wave
Shock Acceleration (Non-operating) 250 gram
Shock Duration (Non-operating) 2 ms half-sine wave
Vibration Acceleration (Operating) 0.67 gram
Vibration Frequency Range (Operating) 5-500 Hz
Vibration Acceleration (Non-operating) 1.04 gram
Vibration Frequency Range (Non-operating) 2-200 Hz
Environmental Parameters
Min Operating Temperature 41 degree Fahrenheit
Max Operating Temperature 140 degree Fahrenheit
Min Storage Temperature -40 degree Fahrenheit
Max Storage Temperature 158 degree Fahrenheit

Specification : 

If used by mining, warranty will be given on the basis of TBW*


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