Dell XPS 8500 (Early 2012) - Manual (Page 43)

9
PCI-Express x1 Card(s)
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 13. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
Prerequisites
1 Remove the computer cover. See "Removing the Computer Cover" on
page 23.
2 Remove the graphics-card bracket, if applicable. See "Removing the
Graphics-Card Bracket" on page 35.
PCI-Express x1 Card(s) 43