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Western Digital

WD Ultrastar DC HC550 18 TB 3.5" Internal 512MB SATA 7200rpm 512E SE NP3 0F38459 WUH721818ALE6L4 (Pack of 6)

$2,187.00
$1,974.00
MPN
WUH721818ALE6L4 X6
UPC:
749656171206
Condition:
New
Availability:
Free 2nd day shipping / choose free shipping on check out page
Model: WUH721818ALE6L4
Interface: SATA 6 Gb/s
Format: Sector size (bytes): 4Kn / 512e
Error rate (non-recoverable bits read): 1 in 10^15
MTBF (M hours): 2.5
Annualized Failure Rate (AFR): 0.35%
Operating (W, typical): 6.5
Idle (W): 5.6
Warranty: 5-Year Limited Warranty
fbt-product: 4207
Delivery by Monday, Apr 7
If ordered within 18 hours and 31 minutes
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WD Ultrastar DC HC550 18 TB 3.5" Internal 512MB SATA 7200rpm 512E SE NP3 0F38459  WUH721818ALE6L4 (Pack of 6)

WD Ultrastar DC HC550 18 TB 3.5" Internal 512MB SATA 7200rpm 512E SE NP3 0F38459 WUH721818ALE6L4 (Pack of 6)

$2,187.00
$1,974.00

WD Ultrastar DC HC550 18 TB 3.5" Internal 512MB SATA 7200rpm 512E SE NP3 0F38459

wuh721818ale6l4-1.jpg

Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers

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 18TB/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.

 

Product Details

  • Up to 18TB capacity in a standard 3.5-inch form factor
  • Industry’s first Energy-Assisted Magnetic Recording technology
  • Industry’s first Triple Stage Actuator
  • Leading HelioSeal technology
  • Reliable, field-proven design across five generations
  • HelioSeal design delivers power efficiency (Watts/TB)
  • 2.5M hours MTBF rating and a 5-year limited warranty

 

Applications and Workloads

  • Cloud & Hyperscale Storage
  • Massive Scale-Out (MSO), high-density data centers
  • Distributed File Systems
  • Bulk storage using Object storage solutions like Cephâ„¢ and OpenStack Swift
  • Primary and secondary storage for Apache Hadoop® for Big Data Analytics
  • Surveillance Analytics

 

Continuous Innovation for Highest Capacities and Lower TCO

The Ultrastar DC HC550 18TB CMR HDD and Ultrastar DC HC650 20TB SMR HDD are delivering industry leading capacity for the data center through a combination of new and proven technologies.

Western Digital is the first to deliver Energy-Assisted Magnetic Recording (EAMR) technology and a Triple Stage Actuator (TSA). These new technologies combined with further mechanical innovations and HelioSeal technology provide the industry’s highest capacities to enable data at scale with optimized TCO for data center architectures, while maintaining workload reliability and performance.

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Anastacia C. Verified Customer   
03-27-25

Great

Recommend this Company
5 / 5
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5 / 5
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5 / 5
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Katie D. Verified Customer   
03-27-25

Quick and easy

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5 / 5
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5 / 5
Pablo B. Verified Customer   
03-25-25

everything is great and fast!

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