SUPERO Pro Gaming C9X299-PG300

LGA 2066 Intel X299 DDR4 SATA M.2 U.2 10G LAN USB 3.1 RGB ATX Motherboard for Intel® Core™ X-series Processors
Infused Server DNA – SUPERO motherboards are designed like our world famous server motherboards with rigorous testing methods that guarantees durability and stability
Built-in 10G LAN increases data throughput up to 10x faster than a single gigabit connection
Customizable RGB LEDs and an additional two RGB LED headers paired with our SUPERO Booster software allowing you to illuminate your system from the inside out
C9X299-PG300 ONBOARD KEY FEATURES Drag the slider to highlight motherboard components

More details

C9X299-PG300 C9X299-PG300
15µ Gold Plated Single CPU socket R4 (LGA 2066)
supports Intel® Core™ X-Series Processors
Up to 128GB DDR4 memory
PS/2 port
4x USB 2.0 (2x rear and 2 via header)
4x USB 3.0 (2x rear, 2 via header)
1x Intel® i219V Gbit Ethernet LAN port
1x USB 3.1 Type A
1x Aquantia® AQC107 10 Gbit LAN port
RealTek ALC 1220 HD 7.1 Audio
1x USB 3.1 Type C
4x PCIe 3.0 x16 slots
(8/NA/16/16 - 8/8/8/16 - NA/4/8/16 [Skylake-X])
2x M.2 [M-key, PCIe 3.0 x4] support RAID 0,1 (2280, 2280/22110)
6x SATA3 (6Gbps) ports
2x U.2 [NVMe] 32 Gbps
Status LED for troubleshooting
Download the AMI status codes
Additional 8-pin CPU power connector
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.


Power up with up to 4 video cards at once and experience the best gaming ever. We support DirectX 12 and CrossFireX so that you can play your 4k and VR games at Max Detail and Razor Sharp Precision.

44-Lane Processors
28-Lane Processors


As technology evolves to support creativity, artists and designers will appreciate the Intel® X299 chipset and Intel® Core™ X-series processor family to deliver the most exciting content. 3D and 2D modeling to post production, your tools will run superbly on the Intel® X299 chipset and Intel® Core™ X-series processor family.

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.

C9X299-PG300 Specifications

Product SKU C9X299-PG300
Form Factor ATX
Dimensions 12" x 9.6", (30.48cm x 24.4 cm)
Processor Support Intel® Core™ i7 and i9 X-Series Processor Family (LGA-2066) up to 165W
Memory Capacity 8x 288-pin DDR4 DIMM slots* Supports up to 128GB DDR4 Non-ECC Un-Buffered memory (UDIMM) in 8 DIMM slots
Memory Type 2666/2400/2133/1866/1600MHz Non-ECC DDR4 SDRAM 72-bit 288-pin UDIMM
DIMM Sizes 16GB, 8GB, 4GB
Memory Voltage 1.2V
Chipset Intel® X299 Chipset
On-Board SATA 6x SATA3 ports (RAID 0, 1, 5, 10)
On-Board Audio RealTek ALC1220 High Definition Audio
Network Controllers 1x 1GB LAN (Intel® i219V) 1x 10Gb LAN Port (Aquantia AQC 107)
LAN 1x RJ45 Gigabit Ethernet LAN port 1x RJ45 10Gb Ethernet LAN port
USB 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)
Input/Output Audio 7.1 HD Jacks Optical S/PDIF out
Keyboard/Mouse PS/2 connector for mouse and keyboard
Serial Port / Header 1x COM port (header)
Temperature Monitoring for CPU and chassis environment CPU thermal trip support FC temperature sensing logic Thermal Monitor 2 (TM2) support PECI
PCI-Express 44-Lane CPU: 4x PCIe 3.0 x16 (8/NA/16/16) or (8/8/8/16) 1x PCIe 3.0 x1 in x4 slot 28-Lane CPU: 4x PCIe 3.0 x16 (NA/4/8/16) 1x PCIe 3.0 x1 in x4 slot2x U.2 PCIe 3.0 x4 (RAID 0,1 with Intel VROC key)** 2x M.2 PCIe 3.0x4 1x 2280, 1x 2280/22110 (RAID 0,1) (M-Key for SSD and Optane)
BIOS Type 128Mb SPI Flash EEPROM with AMI BIOS
BIOS Features DMI (SMBIOS) 3.0 ACPI 6.0 USB Keyboard support
Software SuperDoctor® V Watch Dog SUPERO Booster
Power Configurations ACPI Power Management Keyboard Wakeup from Soft-Off CPU Fan auto-off in sleep mode Power-on mode for AC power recovery
Voltage +12V, +3.3V, +5V, 1.05 (PCH), 1.2V (VDIMM), 3.3V standby, Chassis intrusion header, Monitors CPU voltages, VBAT
FAN Total of 5 fan headers supporting up to 5 fans 5 fans with tachometer status monitoring Status monitor for speed control Status monitor for on/off control Low noise fan speed control Pulse Width Modulated (PWM) fan connectors
LED CPU / System Overheat LED Suspend static indicator LED
Other Features Chassis intrusion detection Chassis intrusion header TPM Header (TCG 1.2/2.0) RoHS
Notes *only 4 DIMM slots are usable on 16-Lane CPUs **44-Lane CPUs: U.2 #1 shares with PCIe Slot#1 and U.2 #2 uses dedicated x4 Lane from CPU. 28-Lane CPUs: U.2 #1 N/A; U.2 #2 shares with PCIe Slot#3

C9X299-PG300 - REVIEWS

Tweaktown recommends SUPERO C9X299-PG300 Motherboard!

Supermicro has tossed its hat into the X299 ring with the introduction of their C9X299-PG300, a motherboard designed to utilize a VRM that could easily handle a 300W TDP. Now, whether or not you take that to mean Intel is going to release a 300W CPU, or if they are saying it is designed to handle an overclocked Skylake-X CPU, the VRM could handle 300W if you theoretically needed it to. Now, the motherboard also carries some more unique features such as a 10Gbit NIC, and it has a few interesting features. Let's take a look at this Supermicro X299 motherboard.

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SUPERO C9X299-PG300 receives FunkyKit Editor’s Choice Award!

If you are bored with your typical motherboards, and expect top performance and perfect stability, then take a look at the C9X299-PG300 from SuperO. This motherboard is quite unique but is well designed and should satisfy the most demanding gamers and enthusiasts.SuperO C9X299-PG300 receives FunkyKit Editor’s Choice Award as one of the best options for the Skylake-X processors. Simply Play Harder!

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Post date:2018-05-12Version:1.0
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Post date:2018-05-12Description:User's Manual