Western Digital Ultrastar DC HC550 16 TB SATA 6Gb/s Enterprise Hard Drive WUH721816ALE6L4


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Features

The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical.

The 16TB Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry’s first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.

Total Cost of Ownership (TCO) Drives the Data Center Architecture

Datacenter decisions are driven by TCO. Higher capacity hard drives play a leading role in reducing TCO. An 18TB data center HDD provides 29% more capacity in the same form factor as a 14TB HDD. Higher capacity HDDs enable data centers to lower CapEx by reducing supporting hardware and system-level costs when compared to lower capacity drives. Helium-sealed, low power, high-reliability drives reduce energy and maintenance costs, contributing to OpEx savings. For example, a data center using 18TB HDDs vs. 14TB HDDs requires 22% fewer racks while consuming 21% less power per TB at idle, resulting in significant overall TCO reduction for data center environments.

Highlights

  • 16TB capacity in a standard 3.5-inch form factor
  • CMR technology works with all capacity enterprise applications & environments
  • Reliable, field-proven, 6th generation design
  • Industry’s first HDD with Energy-Assisted Magnetic Recording technology
  • Industry’s first Triple Stage Actuator
  • HelioSeal design delivers outstanding power efficiency
  • 2.5M hours (projected) MTBF rating & 5-year limited warranty
  • Self-Encrypting Drive Options

Applications

  • 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 Apache Hadoop® for Big Data Analytics

Specification : 

General
Device Type Hard drive – internal
Capacity 16 TB
Model Number WUH721816ALE6L4
Form Factor 3.5″
Interface SATA 6Gb/s
Buffer Size 512 MB
Features Rotational Vibration Safeguard (RVS), HelioSeal, Conventional magnetic recording (CMR), Media Cache Plus, Two-Dimensional Magnetic Recording (TDMR), Energy-Assisted Magnetic Recording (EAMR), Triple State Actuator (TSA)
Environmental Parameters
Min Operating Temperature 41 °F
Max Operating Temperature 140 °F
Min Storage Temperature -40 °F
Max Storage Temperature 158 °F
Shock Tolerance (operating) 50 g @ 2 ms half-sine wave
Shock Tolerance (non-operating) 250 g @ 2 ms half-sine wave
Vibration Tolerance (operating) 0.67 g @ 5-500 Hz
Vibration Tolerance (non-operating) 1.04 g @ 2-200 Hz
Width 4 in
Depth 5.8 in
Height 1 in
Weight 24.34 oz
Expansion & Connectivity
Interfaces 1 x SATA 6 Gb/s
Compatible Bay 3.5″
Performance
Drive Transfer Rate 600 MBps (external)
Internal Data Rate 262 MBps
Average Latency 4.16 ms
Spindle Speed 7200 rpm
Reliability
MTBF 2,500,000 hours
24×7 Operation Yes
Non-Recoverable Errors 1 per 10^15
Load / Unload Cycles 6,00,000
Power
Power Consumption 6.5 Watt (typical) ¦ 5.6 Watt (idle)
Manufacturer Warranty
Service & Support Limited warranty – 5 years

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

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