M S-7576 M ainboard
Slots
PCI (Peripheral Component Interconnect) Express Slot
The PCI Express slot supports the PCI Express interface expansion card.
The PCI Express x16 slot supports up to 4.0 GB/s transfer rate.
The PCI Express x8 slot supports up to 2.0 GB/s transfer rate.
The PCI Express x1 slot supports up to 250 MB/s transfer rate.
PCIE slot allocation for 790GX chipset
PCI_E1
When dual graphic cards enabled, it will turn to x8 speed.
PCI_E2
PCI_E3
PCI_E4
PCIE slot allocation for 780G chipset
PCI_E1
PCI_E2
PCI_E3
PCI_E4
En-22
supports up to PCI Express x16 speed.
supports up to PCI Express x1 speed.
supports up to PCI Express x1 speed.
supports up to PCI Express x8 speed.
supports up to PCI Express x16 speed.
supports up to PCI Express x1 speed.
supports up to PCI Express x1 speed.
supports up to PCI Express x1 speed.