For your consideration today, I have a Blackmagic Design Mini Converter HDMI to SDI boxes. Gently used, each box includes a power supply and 3' SDI cable. 

About Blackmagic Design Mini Converter HDMI to SDI 

The Mini Converter HDMI to SDI from Blackmagic Design will accept an HDMI signal and convert it to 2 SDI outputs. You can also choose to embed audio from balanced AES/EBU or analog audio inputs. Use this device to add SDI output to cameras with HDMI connections or add SDI outputs to computers with HDMI or DVI connectors.

Blackmagic Design Mini Converter HDMI to SDI Features
Any questions please feel free to ask. 

*Combined shipping will be offered for other listed auction items*

**Payment in full is appreciated within 3 days after the auctions close. If after 3 days time there has been no communication or payment received, I reserve the right to move the sale into a non-paying bidder status and relist the item at my leisure.  Returns are accepted within the listed time frame and will be honored in the form of a purchase price refund. Please note that any and all return shipping costs are solely the responsibility of the buyer and any refund will be pending per item verification and inspection upon return receipt. Thank you for understanding and your acceptance of these simple terms of contract. **