The DVISPL1DD 1ft DVI-D Splitter Cable lets you connect two DVI-D displays, or projectors to a single DVI-D digital video output port on your computer. Backed by StarTech.com's lifetime warranty, the DVISPL1DD is a reliable and cost-effective solution for dual DVI monitor configurations. More from the Manufacturer

• DVI SPLITTER FOR MIRRORED DISPLAYS: View two identical DVI-Digital (24-pin) images from a single DVI-Digital (24-pin) source with this 1ft (30cm) DVI-D to 2x DVI-D (DVI-Digital) splitter. DVI-Analog signal is not supported
• PERFORMANCE & RELIABILITY: This DVI-D male to 2x DVI-D female splitter offers a built-in 12" cable to remove strain from the DVI-Digital source connector. We recommend StarTech.com DVI-D cables (DVIDDMM6) for high performance & signal reliability
• FULL HD SPLITTER: This DVI-D Y cable will allow display of only the same image on two monitors, screen splitting or extension is not supported; This is a passive adapter and using it with resolutions over 1920x1200 is not recommended
• STARTECH.COM ADVANTAGE: IT professional's choice for over 30 years; This DVI Splitter Cable is backed for life by StarTech.com, including free 24/5 North America based multi-lingual tech support