Asus Prime X299-A II, Manual

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PRIME X299-A II specifications summary
Internal I/O
Connectors
1 x USB 3.2 Gen 2 front panel USB Type-C™ connector
2 x USB 3.2 Gen 1 connectors support additional 4 USB ports (19-pin)
2 x USB 2.0 connectors support additional 4 USB ports
1 x M.2_1 Socket 3 with M key, type 2242/2260/2280/22110 storage devices
support (PCIe 3.0 x 4 mode from CPU or X299 Chipset)
1 x M.2_2 Socket 3 with vertical M key, type 2242/2260/2280/22110 storage
devices support (both SATA & PCIe 3.0 x 4 mode from X299 Chipset)
1 x M.2_3 Socket 3 with M key, type 2242/2260/2280/22110 storage devices
support (PCIe 3.0 x 4 mode from CPU)
8 x SATA 6.0Gb/s connectors
1 x 5-pin Thunderbolt header for ASUS ThunderboltEX series support
1 x 4-pin connector
1 x 4-pin AIO_PUMP Fan connector
1 x 4-pin CPU Fan connector
1 x 4-pin CPU_OPT Fan connector
2 x 4-pin Chassis Fan connectors
1 x 4-pin M.2 Fan connector
1 x 2-pin Thermal sensor header
1 x NODE connector supports FAN Extension Card II
1 x 24-pin EATX Power connector
2 x 8-pin EATX 12V Power connector
2 x RGB headers
1 x Addressable Gen 2 header
1 x Front panel audio connector (AAFP)
1 x VROC_HW_KEY
1 x System Panel connector (Q-Connector) (FlexKey)
1 x 3-pin CPU_OV header
1 x Q_Code
1 x Clear CMOS header
1 x Power-on button
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