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SUPERO Pro Gaming C9X299-PG300, Intel X299 Chipset, LGA 2066, ATX Motherboard

SKU: 11866518

Manufacturer: SUPERMICRO

MPN: MBD-C9X299-PG300-O

Availability: Low Stock

Price: $451.92
or as low as $15/month

Ultimate Gaming

Our SUPERO C9X299-PG300 has multiple PCIe x16 slots and can support up to 4 GPUs! Our motherboard supports the latest Intel® Core™ i9 Extreme processors up to 300W with up to 128GB of 4133MHz memory. We also include 10Gb LAN and NVMe storage options through M.2 or U.2. An incredible arsenal at your disposal to use against your next opponent.


We have over 20 years of creating the best servers in the world. How does this benefit the gaming world? We design our motherboards to perform fast and powerful, while maintaining a lower operating temperature. The benefits to that is better longevity, fast performance, and a great machine that is more stable when overclocking for gaming needs.

Versatile Storage

The latest Pro Gaming X299 board has been fully equipped with dual M.2 and dual U.2 ports and is going into overdrive achieving a massive 32Gb/s of transfer speed via PCIe 3.0 x4 bandwidth. In addition, Intel® Optane™ Memory reduces boot-up and load times for a smooth user experience, and rapid storage and data transfer speeds that will happen in the blink of an eye.


Enjoy the best in audio quality with 7.1 HD Audio support with up to 120dB SNR, 114dB for recording and DSD128 hardware decoding powered by the latest Realtek ALC1220 chip and professional audio capacitors. C9X299-PG300 also comes with Ultralow Noise and Ultralow Distortion shielding that protects the audio from interference and distortions. Experience clean and pure unadulterated quality.


You have the POWER, now experience SPEED! Our 10Gb port delivers 10X faster connectivity ensuring low CPU overhead Giving You More Power to Use. If you are gaming or pushing huge amounts of data, this motherboard has got your back!

SUPERO Booster

The brand new SUPERO Booster overclocking feature allows you to overclock your CPU and memory real-time straight in Windows 10 operating system. Adjusting fan speeds has never been easier with the new GUI allowing you to manage the curves real-time. It will monitor your hardware so you can have control over everything, making sure all is in great shape 24/7. Run the SUPERO Booster and be awed by the VASTNESS of POWER.

Customizable RGB

Customization is an understatement when it comes to this motherboard. Fully customizable with our SUPERO Booster software we have installed RGB LEDs on the PCH, HD audio area, and the I/O cover. Not only is the motherboard equipped with LEDs we have gone a step above including 2 RGB headers so you can light up your rig from the inside out.

Product SKUs
  • C9X299-PG300
Physical Stats
Form Factor
  • ATX
  • 12" x 9.6" (30.48cm x 24.38cm)
  • Intel® Core™ i7 X-series Processor, Intel® Core™ i9 Extreme X-series Processor, Intel® Core™ i9 X-series Processor.
  • Socket R4 (LGA 2066) supported, CPU TDP support 165W TDP
  • Support Intel Skylake-X refresh CPU
System Memory
Memory Capacity
  • 128GB Unbuffered non-ECC UDIMM, DDR4-2666MHz, in 8 DIMM slots
Memory Type
  • 2666/2400/2133/1866/1600MHz Non-ECC DDR4 SDRAM 72-bit 288-pin UDIMM
DIMM Sizes
  • 4GB, 8GB, 16GB
Memory Voltage
  • 1.2V
On-Board Devices
  • Intel® X299
  • 6 SATA3 (6 Gbps) ports; RAID 0,1,5,10
Network Controllers
  • Single LAN with Intel® single Ethernet PHY i219V
    Single LAN with Aquantia® AQC107 10G Ethernet Controller
  • ALC 1220 HD Audio
Input / Output
  • 1 RJ45 Gigabit Ethernet LAN ports
  • 1 RJ45 10GBase-T ports
  • 4 USB 2.0 ports (2 rear + 2 headers)
  • 6 USB 3.0 ports (4 rear + 2 headers)
  • 2 USB 3.1 ports (1 Type A, 1 Type C)
Serial Port / Header
  • 1 COM Port (1 header)
  • 1 TPM Header
Expansion Slots
  • 4 PCI-E 3.0 x16
  • ***4xPCI-E3.0 x16 Slots(8/NA/16/16 or 8/8/8/16(Core i9) or NA/4/8/16(Core i7)***
  • M.2 Interface: 2 PCI-E 3.0 x4, RAID 0 & 1
  • Form Factor: 2280, 2280/22110
  • Key: M-Key
  • M-Key for SSD and Optane
System BIOS
  • UEFI 128Mb
  • SuperDoctor® 5, Watchdog
PC Health Monitoring
  • +12V, +3.3V, +5V, 1.05 (PCH), 1.2V (VDIMM), 3.3V standby, Chassis intrusion header, Monitors CPU voltages, VBAT
  • 5x 4-pin fan headers (up to 5 fans), Fan speed control, Overheat LED indication, PWM fan speed control, Thermal control tachometer fan connectors
  • N/A
  • N/A
Other Features
  • ACPI power management, ATX Power connector, Control of power-on for recovery from AC power loss, CPU thermal trip support for processor protection, Intel Smart Response Technology, Voltage and Frequency Overclocking, WOL