does this work with a Dell Optiplex 505 pc?

Hello, Thank you for contacting us in regards to your question. As long as it has an HDMI port, then it will work with your Dell OptiPlex PC. Thank you, Newegg Support

Questions & Answers: EnLabs HD2DVIF30CM HDMI-compatible to DVI 24+5 Cable Adapter HDMI-compatible Male to DVI-D/ DVI-I Female M-F Converter Adaptor Support 1080P for HDTV LCD - 1FT - Black

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EnLabs HD2DVIF30CM HDMI-compatible to DVI 24+5 Cable Adapter HDMI-compatible Male to DVI-D/ DVI-I Female M-F Converter Adaptor Support 1080P for HDTV LCD - 1FT - Black

HDMI-compatible Male to DVI Female Adapter
Connect an HDMI-compatible device to an DVI-enabled device using a standard DVI-D cable
The dongle reduces the potential of blocking other available ports & removes strain from the HDMI/DVI connectors
Compatible with Lenovo Thinkpad Edge E531
Does not support audio transfer
1 feet in cable length
Black

$10^.89 –