Do not open your computer or attempt any repair before reading and understanding the Read this first: Important safety information.
Your computer comes with the following combinations: one standard PCI card slot, two PCIe 3.0 x4 card slots, one PCIe 3.0 x8 card slot, and two PCIe 3.0 x16 card slots.
Prepare your computer. See Preparing your computer and removing the computer cover.
Lay the computer on its side for easier access to the system board.


Remove any parts that might prevent your access to the latch.
The card might fit tightly into the slot. If necessary, alternately move each side of the card a small amount until the card is removed from the slot.

If you are installing a new full-length PCIe card, remove the appropriate metal slot cover.
Remove the new full-length PCIe card from its static-protective package.
Pivot the PCIe card latch and push it back in until it snaps into position. Then, pivot the tab on the front fan assembly to close the latch inside.
Connect one end of the power cable to the new full-length PCIe card and the other end to the appropriate power connector on the system board. See Parts on the system board.
To work with another piece of hardware, go to the appropriate section.
To complete the installation or replacement, go to Completing the parts replacement.