MSI 790FX GD70 User Guide - Page 36

MS-7577 Mainboard Slots PCIE (Peripheral Component Interconnect Express) Slot The PCIE slot supports the PCI Express interface expansion card. The PCIE x16 slots support up to 8.0 GB/s transfer rate. The PCIE x1 slot supports up to 250 MB/s transfer rate. PCI_E1 supports up to PCIE 2.0 x16 speed PCI_E2 supports up to PCIE 2.0 x1 speed PCI_E3 supports up to PCIE 2.0 x8 speed PCI_E4 supports up to PCIE 2.0 x16 speed PCI_E5 supports up to PCIE 2.0 x8 speed Important When adding or removing expansion cards, make sure that you unplug the power supply first. Meanwhile, read the documentation for the expansion card to configure any necessary hardware or software settings for the expansion card, such as jumpers, switches or BIOS configuration. 2-22