Name: WUH721818ALN6L6 WD Ultrastar DC HC550 18TB 7.2K RPM 12Gb/s SAS 3.5-Inch Hard Drive
Brand: Western Digital
SKU: WUH721818ALN6L6
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The WD Ultrastar DC HC550 18TB hard drive offers substantial storage capacity paired with a 7,200 RPM spindle speed and a 12Gb/s SAS interface, making it suitable for enterprise-level data storage. It fits standard 3.5-inch bays and is designed to handle continuous operation in demanding environments.

General Information
Brand	Western Digital
Part Number	WUH721818ALN6L6
Alternate Part Number	WUH721818ALN6L6-06-CT

Technical Information
Capacity	18TB
Form Factor	3.5-inch
Disk Format	3.5-inch
Cache	512MB
Spindle Speed	7,200 RPM
Hot Pluggable	Yes
Hot Swappable	Yes
Hybrid Drive	No
Compatible For	Servers,Data Center,Storage Arrays
MTBF	2,500,000 hours

Interfaces/Ports
Interface	SAS 12Gb/s

Physical Characteristics
Height	26.1 mm
Width	101.6 mm
Depth	147 mm
Dimensions	26.1 x 101.6 x 147 mm
Condition	Refurbished
Weight	1.76

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC

Product Description
This WD Ultrastar DC HC550 hard drive is built for storing massive amounts of data with reliable performance. It’s commonly used in data centers, cloud storage systems, and enterprise servers where handling large datasets efficiently is essential. Engineered for IT professionals and system administrators, this drive offers a balance of capacity and speed suitable for a variety of demanding storage applications. Its SAS interface supports quick data access, making it a solid choice for environments that require consistent throughput and uptime. Key Features High capacity enables storage of extensive data archives Fast 12Gb/s SAS interface minimizes bottlenecks 7,200 RPM speed provides a good mix of performance and energy use Durable design built to handle 24/7 operation in enterprise settings Compatibility with common 3.5-inch drive bays simplifies integration Drives like this are typically found in large-scale storage arrays and backup solutions. They help organizations maintain vast data collections without sacrificing access speed or reliability.

Use Cases
The WUH721818ALN6L6 WD Ultrastar DC HC550 hard drive is utilized in various enterprise storage scenarios where high capacity and reliable performance are essential. How It's Used: Data center storage arrays demanding large-scale capacity Enterprise servers requiring fast and reliable disk access Backup and archival systems handling extensive data volumes High-performance computing environments with heavy workloads Storage solutions for cloud infrastructure providers This drive supports critical storage needs by providing dependable capacity and performance in demanding professional environments.