NEC SB-L008WU Display DVI Daisy Chain Board
Multiply your video messaging with ease. The SB-L008WU DVI daisy chain module is a cost-effective way for you to loop in and out a single digital video signal to up to nine displays. The expansion slot option eliminates the need for external distribution equipment and power supply, thus providing for a clean look that simplifies installation and reduces maintenance without compromising quality.
Good Condition; see photos. Not Tested.