Laying the foundation for a worry-free data center, Western Digital delivers capacity to conquer the data explosion - Ultrastar DC HC520, previously known as Ultrastar He12 and part of the HC500 series of helium-filled hard drives. Designed to handle workloads up to 550TB per year, the Ultrastar DC HC520 is the industry's first 12TB drive and uses traditional perpendicular magnetic recording (PMR) technology to make it dropin ready for any enterprise-capacity application or environment. The stable internal environment created by fourth-generation HelioSeal technology enables an 8-disk design, increasing the capacity by 20% when compared to the 7-disk design of the prior generation, Ultrastar DC HC510. This high capacity helium drive offers one of the lowest power profiles in the industry to help data center architects meet eco-environmental goals and requirements. Targeted at 2
Buffer Size: 256 MB
Bytes per Sector: 512
Capacity: 12 TB
Depth: 147 mm
Device Type: Hard drive - internal
Features: Perpendicular Magnetic Recording (PMR), Instant Secure Erase (ISE), Enterprise, 24x7 availability
Form Factor: 3.5"
Height: 26.1 mm
Interface: SAS 12Gb/s
Weight: 660 g
Width: 101.6 mm
Average Latency: 4.16 ms
Drive Transfer Rate: 1.2 GBps (external)
Seek Time: 8 ms (average)
Spindle Speed: 7200 rpm
24x7 Operation: Yes
Load / Unload Cycles: 600,000
MTBF: 2,500,000 hours
Non-Recoverable Errors: 1 per 10^15
Compatible Bay: 3.5"
Interfaces: 1 x SAS 12 Gb/s
Power Consumption: 9.8 Watt (active) | 6.1 Watt (idle)
Service & Support: Limited warranty - 5 years
Max Operating Temperature: 60 °C
Max Storage Temperature: 70 °C
Min Operating Temperature: 5 °C
Min Storage Temperature: -40 °C
Shock Tolerance (non-operating): 300 g @ 2 ms half-sine wave
Shock Tolerance (operating): 70 g @ 2 ms half-sine wave
Vibration Tolerance (non-operating): 1.04 g @ 2-200 Hz
Vibration Tolerance (operating): 0.67 g @ 5-500 Hz
Product number: 2001574DX | EAN: 7330381646539
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