Settable to COM1-COM99.

Provides 8 DB9 (9-pin male) serial connectors via an included octopus cable that plugs on to the back of the card.

Uses only 1 IRQ and can share an interrupt with other plug & play devices in your system.

Designed for use with Windows 95, 98, ME, 2000, XP, Vista, 7, 8, 10.

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Product comes with a 1 year warranty, and a 30-day money back guarantee with no restocking fee.