# Sli help

**URL:** https://forum.kirupa.com/t/sli-help/321586
**Category:** random
**Created:** [April 24, 2011, 11:15pm UTC](https://forum.kirupa.com/t/sli-help/321586 "2011-04-24T23:15:55Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Icehawk](https://avatars.discourse-cdn.com/v4/letter/i/51bf81/32.png) [@Icehawk](https://forum.kirupa.com/u/Icehawk)
#### Post date: [April 24, 2011, 11:15pm UTC](https://forum.kirupa.com/t/sli-help/321586/1 "2011-04-24T23:15:55Z")

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Can anyone help me out?  
I have three monitors and a 9800 gtx+ and it only does two, so I’m putting another card in  
To do sli must I use the exact same card or can I use something else? Will this underclock it at all?