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Western Digital

Western Digital Ultrastar DC HC550 18TB 7.2K SATA 6Gb/s 512e 512MB 3.5" HDD | WUH721818ALE6L4 | 1-Year Warranty

Western Digital Ultrastar DC HC550 18TB 7.2K SATA 6Gb/s 512e 512MB 3.5" HDD | WUH721818ALE6L4 | 1-Year Warranty

Professionally Refurbished

$349.00
$349.00 $449.00
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WD Ultrastar DC HC550 | WUH721818ALE6L4 | 18TB | SATA 6Gb/s | 7.2K RPM | 512MB Cache | 3.5"
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Western Digital Ultrastar DC HC550 18TB 7.2K SATA 6Gb/s 512e 512MB 3.5" HDD | WUH721818ALE6L4 | 1-Year Warranty

Product Details

The Western Digital Ultrastar DC HC550 (WUH721818ALE6L4 / 0F38459) is an enterprise-class 18TB hard drive designed for high-capacity storage, data centers, cloud environments, and large-scale servers.
Built for 24/7 workloads, the HC550 series delivers exceptional reliability, energy efficiency, and consistent performance.

These units are seller-refurbished, professionally tested, securely wiped, and ready for deployment.
Includes a 1-Year Warranty for peace of mind.

Key Features

  • 18TB Enterprise Capacity – optimized for large-scale storage

  • SATA 6Gb/s Interface – wide compatibility across servers & NAS

  • 7,200 RPM Spindle Speed – stable and reliable performance

  • 512e Sector Format – industry-standard enterprise formatting

  • 512MB Cache – smooth, consistent throughput for heavy workloads

  • 3.5" Form Factor – fits standard bays and enclosures

  • Designed for 24/7 data center operation

  • Fully tested, refurbished, and backed by a 1-Year Warranty

Technical Specifications

  • Model: WUH721818ALE6L4

  • Alternate PN: 0F38459

  • Capacity: 18TB

  • Interface: SATA 6Gb/s

  • Form Factor: 3.5"

  • Speed: 7,200 RPM

  • Cache: 512MB

  • Sector Format: 512e

  • Workload Rating: Up to 550TB/year

  • Warranty: 1-Year Replacement Warranty

Drive Type

SATA HDD

Storage Capacity

18TB

Form Factor

3.5"

Warranty

2 Year Warranty

Technology You Can Trust

At Technology You Can Trust, we combine innovation, reliability, and performance to deliver solutions you can depend on. From advanced hardware to seamless software, our products are built with precision and durability in mind—empowering you to work smarter, stay connected, and achieve consistent results with confidence.

Smarter Server Solutions

At Smarter Server Solutions, we go beyond standard technology to deliver servers that are faster, more reliable, and built for growth. Our focus on performance, security, and scalability ensures your business runs smoothly today while staying prepared for tomorrow. Experience smarter technology designed to optimize efficiency and drive success.