Overall Description
The Western Digital Ultrastar DC HC550 WUH721818AL4206 is an 18TB enterprise-class hard drive designed for high-capacity server, data center, backup, cloud, and enterprise storage environments. Featuring a 3.5-inch form factor, 12Gb/s SAS interface, 7,200 RPM spindle speed, and native 4Kn sector format, this drive provides high-capacity 24/7 storage for compatible enterprise systems.
Testing Status
✅ Pre-owned & Clean Pulls & Tested 100% Fully Working & buy with confidence✅
Cosmetic Condition
This is a genuine pre-owned item that has been previously installed and used. It has been professionally tested and verified to be fully functional before sale. As with any used or pulled server component, the item may show normal signs of previous use, such as minor scratches, handling marks, label wear, or other light cosmetic imperfections. These cosmetic signs do not affect the functionality or performance of the product. Please purchase this item primarily based on its functionality and specifications rather than expecting brand-new cosmetic condition.
Compatibility Notice
Compatible with select servers and storage systems supporting 3.5-inch SAS 12Gb/s drives and native 4Kn sector format. Compatibility may vary depending on the server model, SAS backplane, RAID/HBA controller, firmware, operating system, and 4Kn support. Compatibility information is provided for reference only. If you are unsure, please contact us with your server, RAID controller, or storage system model before purchase. We will be happy to help verify compatibility.