Dell Precision 5820 Tower Owner's Manual page 117

Table 24. PCIe slots
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
NOTE: All slots are Gen3(8GTs) from processor root hub unless otherwise indicated xX indicates the number of lanes that
are connected to the slot. FH=Full Height, FL=Full Length, DW=Double Wide as defined by PCIe CEM spec *Slots are 300
W capable. Limited to 250 W per slot when more than one MEGA is installed.
Core i9-79xx/Xeon
PCIe x850W
PCIex16 300 W*
PCIex125W-PCH
PCIex16 300 W*
PCIex4 25W-PCH
PCI 32 bit 25 W
Core i7-78xx
Nonfunctional
PCIex16 300 W
PCIex1 25W-PCH
PCIex8 150 W
PCIex4 25W-PCH
PCI 32 bit 25 W
Troubleshooting 117