Supermicro C9X299-PGF ATX Motherboard — Intel X299 Chipset, Socket R4 LGA-2066, Intel Optane Memory Ready

High-performance Supermicro C9X299-PGF ATX motherboard built on the Intel X299 chipset and Socket R4 LGA-2066. Intel Optane Memory Ready design supports demanding X-series CPUs and heavy multitasking. Supported processors: Intel Core i5 X-series Processor, Intel Core i7 X-series Processor, Intel Core i9 Extreme X-series Processor, Intel Core i9 X-series Processor — CPU TDP support 165W. Memory: Up to 128GB using Unbuffered non-ECC UDIMM modules on DDR4-2666MHz, populated across 8 DIMM slots. Expansion slots: Flexible PCIe configuration with 4 PCI-E 3.0 x16 or 1 PCI-E 3.0 x1; physical layout includes 4x PCIe3.0 x16 Slots (8/NA/16/16 or 8/8/8/16 or NA/4/8/16 (Skylake-X 28 Lanes) or NA/4/4/8 (Kabylake-X)) plus 1x PCIe3.0x1 slot. Storage options: M.2 Interface: PCI-E 3.0 x4; M.2 Form Factor support: 2280, 22110; M.2 Key: M-Key (RAID 0,1 support). U.2 Interface: PCI-E 3.0 x4. Onboard SATA: 6 SATA3 (6 Gbps) ports with RAID 0,1,5,10 support. Video and networking: 1 VGA port for legacy display support. Networking includes Single LAN with Intel Ethernet Controller I210-AT and Single LAN with Aquantia 5G LAN chip AQC108. This board provides a versatile platform for high-end desktop and workstation builds requiring multi-GPU lane configurations, high-speed NVMe storage, and advanced networking.