Western Digital WD181KRYZ internal hard drive 3.5" 18000 GB Serial ATA

Beyond Expectations WD Gold™ hard drives are performance-optimized for heavy application workloads, whether you need 1TB or 18TB1. The WD Gold HDD’s wide capacity range solves for the most demanding storage environments.
Enhanced Reliability With up to 2.5M hours MTBF, WD Gold™ hard drives deliver enhanced levels of dependability and durability.
A World-Class Performer Delivering excellent service to any storage environment, WD Gold™ hard drives are designed to handle workloads up to 550TB2 per year – among the highest of any 3.5-inch hard drive.
Vibration Protection WD Gold™ has sophisticated monitoring electronics that help correct linear and rotational vibrations in real time using enhanced vibration protection technology for improved performance in high-vibration environments.
Play Well with Others Broadly compatible with most PC and major enterprise operating systems. Specifically designed for use in enterprise-grade data centers and storage systems.