1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
1 x PCI Express x16 slot, running at x8 (PCIEX8)
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot will operate at up to x8 mode.
* PCIE Gen.3 is dependent on CPU and expansion card compatibility.
1 x PCI Express x16 slot, running at x4 (PCIEX4)
1 x PCI Express x1 slot
(PCIEX4/PCIEX1 slots conform to PCI Express 2.0 standard.)