| System Memory |
| DIMM Sizes | 4GB, 8GB, 16GB, 32GB |
| Memory Capacity | 8 DIMM slots |
| 256GB Unbuffered non-ECC UDIMM, DDR4-2933MHz |
| Memory Type | 2666/2400/2133/1866/1600 MT/s SDRAM 72-bit, 288-pin |
| Memory Voltage | 1.2V |
| On-Board Devices |
| Chipset | Intel® X299 |
| Network Controllers | Single LAN with Aquantia® AQC107 10G Ethernet Controller |
| Single LAN with Intel® single Ethernet PHY i219V |
| SATA | 6 SATA3 (6 Gbps) ports; RAID 0,1,5,10 |
| Audio | ALC 1220 HD Audio |
| Input / Output |
| LAN | 1 RJ45 Gigabit Ethernet LAN ports |
| 1 RJ45 10GBase-T ports |
| USB | 4 USB 2.0 port(s) (2 rear; 2 via header) |
| 6 USB 3.2 Gen1 port(s) (2 via header; 4 rear) |
| 2 USB 3.2 Gen2 port(s) (1 type A; 1 type C) |
| Serial Port | 1 COM Port(s) (1 header), (4 x RS232, 2 RS232/422/485, RS-485 supports Auto flow control) |
| TPM | 1 TPM Header |
| System BIOS |
| BIOS Type | 128MB UEFI |
| Management |
| Software | SuperDoctor® 5, Watchdog |
| PC Health Monitoring |
| FAN | Fan speed control |
| PWM fan speed control |
| Thermal control tachometer fan connectors |
| Overheat LED indication |
| 5x 4-pin fan headers (up to 5 fans) |
| Other Features | WOL, CPU thermal trip support for processor protection, Control of power-on for recovery from AC power loss, ATX Power connector, ACPI power management, Voltage and Frequency Overclocking, Intel Smart Response Technology |
| Voltage | VBAT, Monitors CPU voltages, Chassis intrusion header, 3.3V standby, 1.2V (VDIMM), 1.05 (PCH), +5V, +3.3V, +12V |
| Product SKUs |
| Product SKUs | MBD-C9X299-PG300 |
| Physical Stats |
| Form Factor | ATX |
| Dimension | 12" x 9.6" (30.48cm x 24.38cm) |
| Processor |
| CPU | Intel® 7th Generation Core™ i7 X-series, Intel® Core™ i9 Extreme X-series Processor, Intel® 9th Generation Core™ i7 X-series, Intel® 10th Generation Core™ i9 Extreme X-series, Intel® 9th Generation Core™ i9 X-series |
| Single Socket LGA-2066 (Socket R4) supported, CPU TDP supports Up to 165W TDP |
| Expansion Slots |
| PCIe | 4 PCIe 3.0 x16 |
| ***4xPCIe3.0 x16 Slots(8/NA/16/16 or 8/8/8/16(Core i9) or NA/4/8/16(Core i7)*** |
| M.2 | Key: M-Key |
| M.2 Interface: 2 PCIe 3.0 x4, RAID 0 & 1 |
| Form Factor: 2280, 2280/22110 |
