Which type of video card will fit into my slimline HP desktop?

I believe the size of my slimline desktop may require a smaller video card? If so, i would like to know what that video card is.|||CARD FOR INTEGRITY RX5670

Technical Details

Model: A6869A

Item Package Quantity: 1

Hardware Platform: PC, Unix

video_output: Graphics adapter

form_factor: Plug-in card

video_output_interface: PCI

video_input: None

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PRODUCT FEATURES:Adds a db15 VGA port and two USB ports to the server; Can only be installed into Slot 2 on the server;In conjunction with the USB Keyboard and Mouse kit, this card will allow administrators to manage the server right at the rack.