Hello
your computer may have different configuration as mentioned in the link
https://support.hp.com/us-en/product/hp-envy-phoenix-810-400-desktop-pc-series/7477706/document/c045...
normally you must have this motherboard

1 Optical S/PDIF-out port
2 LAN
3 USB 2.0: 2
4 HDMI
5 USB 3.0: 2
6 DVI
7 Audio: center/subwoofer
8 Audio: rear speaker out
9 Audio: side speaker out
10 Audio: Line in
11 Audio: Line out
12 Audio: Microphone
You can have different connectors on the graphics card, if there is one, but it is not specified here
Must select one of the following options:
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