MSI X99A SLI User Manual - Page 29
PCI_E1~5: PCIe Expansion Slots, PCIe x16 slots bandwidth table, for 40-PCIe lanes CPU
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Page 29 highlights
BAT1 PCI_E1~5: PCIe Expansion Slots PCI_E1: PCIe 3.0 x16 PCI_E2: PCIe 2.0 x1 PCI_E3: PCIe 2.0 x1 PCI_E4: PCIe 3.0 x16 PCI_E5: PCIe 3.0 x8 Important y For a single PCIe x16 expansion card installation with optimum performance, using the PCI_E1 slot is recommended. y When adding or removing expansion cards, always turn off the power supply and unplug the power supply power cable from the power outlet. Read the expansion card's documentation to check for any necessary additional hardware or software changes. PCIe x16 slots bandwidth table for 40-PCIe lanes CPU Single-card PCI_E1 x16 ─ ─ PCI_E4 ─ x16 ─ PCI_E5 ─ ─ x8 (─: N/A) for 28-PCIe lanes CPU PCI_E1 PCI_E4 PCI_E5 (─: N/A) Single-card x16 ─ ─ ─ x8 ─ ─ ─ x8 2-Way 3-Way x16 ─ x8 x8 x16 x16 ─ x16 ─ x8 x8 x8 2-Way 3-Way x16 ─ x8 x8 x8 x8 ─ x8 ─ x8 x8 x8 Overview of Components 29
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