Description PTZOptics Producer+ Upgrade External PCIe Box (PT-PRODUCER-UPGRADE) The PTZ Optics PT-PRODUCER-UPGRADE is an external PCIe slot with Thunderbolt 3 Connection for upgrading a PT-PRODUCER Kit to a PT-PRODUCERPLUS Kit. It provides (4) 3G SDI inputs for HD content to be distributed to the NUC. This external PCIe slot alleviates the intense processing power of directly connected the cameras to the NUC. Buy with confidence! The VideoConference Store is an Authorized PTZOptics Reseller and has been delighting our customers for over 18 years. As a video and voice conferencing expert, The VideoConference Store can design and deliver a solution that integrates with your existing investments, aligns with your business requirements, and fits within your budget. Please chat below, email, or call 1-888-821-7767 with any questions!