1-2
Supermicro C9X299-PG/-PGF/-RPGF Motherboard User’s Manual
1-3 Motherboard Features
CPU
Intel® Core™ X-series processor in an LGA2066 R4
type socket.
Memory
Supports up to 128GB of unbuffered, non-ECC, DDR4
memory with speeds of up to 3733MT/s (OC).
Dual-channel memory
DIMM sizes
UDIMM Up to 128GB at 1.2V
Chipset
Intel X299 chipset
Expansion Slots
One (1) CPU PCI-E 3.0 x16 slot
One (1) PCH PCI-E 3.0 x1 slot
Two (2) M.2 slots
Network
Connections
Intel I210 Network Controller
Two (2) RJ-45 ports with Link and Activity LEDs on the
I/O back panel
I/O Devices Hard Drive Connections
SATA 3.0 (6Gb/s) Six (6) I-SATA 0~5 via Intel X299
RAID 0, 1, 5, 10
U.2 Connectors Two (2) U.2 Connectors for 2.5"
SSD Drives
USB Devices
One (1) USB 3.1 Type-C port on the I/O back panel
Three (3) USB 3.1 Type-A ports on the I/O back panel
Two (2) USB 3.0 ports on the I/O back panel
One (1) front accessible USB 3.0 headers
Two (2) front accessible USB 2.0 headers
Keyboard/Mouse
One PS/2 Keyboard/Mouse port on the I/O back panel
Other I/O Ports
One (1) VGA Port
One (1) Serial Port header (COM1)
Graphics
Aspeed AST2500 Graphics Controller