WD Ultrastar DC HC520 12TB SATA 6Gb/s Enterprise Hard Drive HUH721212ALE604


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Features

The secret ingredient in our WD Gold product line, Ultrastar hard drives feature up to 10 times the workload rating of desktop drives and employ advanced technologies for enterprise-class reliability, power efficiency and performance.

HIGHLIGHTS 
• 12TB capacity in a standard 3.5-inch form factor
• PMR technology works with all capacity enterprise applications & environments
• Reliable, field-proven, 4th generation design
• Outstanding power efficiency (Watts/TB)
• Compared to 8TB Ultrastar air drives
—50% more capacity
—52% more power efficient (Watts/TB)
—25% more reliable (MTBF)
• SATA 6Gb/s and SAS 12Gb/s
—12Gb/s SAS compatible with next-gen data centers; backwards compatible with 6Gb/s SAS
• 2.5M hours MTBF2 rating & 5-year limited warranty
• Instant Secure Erase (ISE) & Self-Encrypting Drive (SED) options
• Advanced Format 4Kn and 512e models

Applications/Environments
• Enterprise and data center applications where capacity density, power efficiency and reliability are paramount
• Cloud & Hyperscale storage
• Massive scale-out (MSO), high-density data centers
• Distributed File Systems
• Bulk storage using object storage solutions like CEPH™ and OpenStack Swift
• Primary and secondary storage for Hadoop® to support Big Data Analytics
• Centralized video surveillance
• Ideal for all mainstream enterprise capacity applications

 

The New Gold Standard
The secret ingredient in our WD Gold product line, Ultrastar hard drives feature up to 10 times the workload rating of desktop drives and employ advanced technologies for enterprise-class reliability, power efficiency and performance.

Designed from the ground up to be an ultra-robust storage device, Ultrastar drives are the perfect solution for your business.

High workload rating
Delivering dependable performance to any storage environment, Ultrastar hard drives are designed with a workload rating up to 550TB per year, up to 10 times the rating for desktop drives. Ultrastar drives employ advanced technologies for enterprise-class reliability, power efficiency and performance.

Enterprise-class storage to rely on With up to 2.5 million hours MTBF, Ultrastar hard drives deliver reliability and durability, are built for year operation (24x7x365) within the most demanding storage environments, and are backed with a 5 year limited warranty.

HelioSeal Technology
Featured in over 30 million Western Digital hard drives shipped, HelioSeal technology (on 10TB drives and above) allows for higher capacities and less turbulence on large storage arrays. And now on its 5th generation design, HelioSeal technology is field-tested and proven to delivery high capacity, reliability, and power efficiency you can trust.

 

Data Durability and Data Security to Support Compliance and Privacy Requirements

As drive capacity grows beyond single-digit TBs, object storage systems with erasure coding provide better data durability compared to RAID systems, given its tolerance for simultaneous error conditions. The Ultrastar DC HC520 is a best-fit for object storage implementations with its massive capacity and unbeaten reliability rating. Compliance and privacy requirements drive the need for increased data security. The Ultrastar DC HC520 offers security and encryption options to help protect data from unauthorized use, including TCG SAS models.

 

Specification : 

Brand WD
Product Line WD Ultrastar DC HC520
Model HUH721212ALE604
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 12 TB
Average Seek Time 8 millisecond
Max Seek Time 8.6 millisecond
Average Latency 4.16 millisecond
Data Transfer Rate 600 MBps
Internal Data Rate 255 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 continuous operation, Advanced format 512e, Dual Stage Actuator (DSA), Dynamic fly height technology, Enhanced Rotational Vibration Safeguard (RVS), HelioSeal, Secure Erase function
Interface Provided
Interfaces 1 x SATA 6 Gb/s
Bay Required
Compatible Bay 3.5″
Power Consumption
Power Consumption 5 Watt (idle), 6.9 Watt (active)
Miscellaneous
MTBF 2,500,000 Hours
Compliant Standards RoHS 2011/65/EU
Dimensions & Weight
Width 4 inch
Depth 5.8 inch
Height 1 inch
Weight 23.28 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) 300 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

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

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