Western Digital Ultrastar DC HC550 18TB hard drive designed for high-capacity data center environments. This enterprise-grade drive offers reliable performance and massive storage for servers and storage arrays. • Capacity: 18TB • Model: WUH721818ALE6L4 • Interface: SATA 6Gb/s • Form Factor: 3.5-inch • Series: Ultrastar DC HC550 • Data Center Grade • Hard drives are tested with Crystal Disk Info and pass as "good" (sorry I have a several of these to sell and can't send individual pictures of the crystal disk info)
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