Supermicro C9X299-PG300 Motherboard Review

Specifications and Features


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 10GbLAN Port (Aquantia AQC 107)
  • LAN   1x RJ45 Gigabit Ethernet LAN port, 1x RJ45 10Gb Ethernet LAN port
  • USB   4x USB 3.1 ports (1 Type C, 3 Type A), 4x USB 3.0 ports (2 rear, 2 via header), 4x USB 2.0 ports (2 rear, 2 via header)
  • 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 3.0×4 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


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About Bartosz Waluk 334 Articles
Bartosz Waluk aka Woomack is from Poland. He's been interested in computer hardware and extreme overclocking for over 15 years. Bartosz has also over 12 years experience in IT what includes sales, technical support and computer building ... but not only. He joined the Funky Kit team in January 2013.