HDD18 | i3 International
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HDD18 - 18TB WD Ultrastar Hard Drive

Part No.HDD18


  • Model: Ultrastar DC HC550
  • Compatible with: UR, U20 and U30 only
  • Formatted Capacity: 18TB
  • Data transfer rate: 6Gb/s
  • Performance class: 7200 RPM Class
  • Width/Height: 3.5in / 1in
  • Warranty: 3 years
For the longevity and reliability of our products, only Western Digital Gold and Ultrastar DC HC500, HC300, HA200 Series hard drives are approved for use with i3 line of products. No other manufacturer or other Western Digital hard drive category meets our criteria and must not be used in combination with i3 software. Our Warranty Policy continues to stipulate that the use of any hard drives other than i3-approved Western Digital hard drives will result in void factory warranty (as of Mar.1, 2016). Note: Maximum acceptable HDD capacity (per drive) for U12, U12-L and U12-LA is 10TB. Maximum acceptable HDD capacity (per drive for Veo16p is 6TB. U12-series NVRs and Veo16p HVRs are not compatible with this hard drive model.