Supermicro C9X299-RPGF-L - Motherboard - ATX

The Supermicro C9X299-RPGF-L stands out in the workstation motherboard segment by pairing Intel's X299 chipset with a robust power delivery and expansive connectivity, all within a standard ATX footprint. Unlike many boards that compromise on storage or networking, this model integrates dual Gigabit Ethernet, dual M.2 slots, and a U.2 port, making it a compelling foundation for high-performance desktops and creative workstations.

Highlights

• Supports Intel Core X-series processors (Skylake-X, Kaby Lake-X, Cascade Lake-X) on LGA 2066
• 8 DIMM slots for up to 128GB of DDR4 memory, with overclocking support beyond 4000MHz
• Quad PCIe 3.0 x16 slots for multi-GPU configurations
• Dual Intel Gigabit Ethernet (I210-AT and I219V) for reliable networking
• Rich storage options: 8 SATA 6Gb/s, 2 M.2 PCIe 3.0 x4, and 1 U.2 port
• Realtek ALC1220 7.1-channel HD audio for immersive sound

In daily use

Professionals working with 3D rendering, video editing, or complex simulations will appreciate the C9X299-RPGF-L's ability to handle demanding workloads. The board's four PCIe x16 slots allow for multiple graphics cards or accelerators, while the eight memory slots ensure ample capacity for memory-intensive applications. The dual LAN ports offer flexibility for teaming or separate networks, and the inclusion of both M.2 and U.2 interfaces enables ultra-fast NVMe storage without sacrificing expandability.

Full specifications

• CPU Socket: LGA 2066
• Chipset: Intel X299
• Memory: 8 x DDR4 DIMM, max 128GB (Skylake-X/Cascade Lake-X), 64GB (Kaby Lake-X), OC up to 4000MHz+
• Expansion slots: 4 x PCIe 3.0 x16
• Storage: 8 x SATA 6Gb/s, 2 x M.2 (PCIe 3.0 x4, one 22110, one 2280), 1 x U.2 (PCIe 3.0 x4)
• Network: 2 x Gigabit Ethernet (Intel I210-AT, Intel I219V)
• Audio: Realtek ALC1220, 7.1-channel HD audio
• Rear USB: 2 x USB 3.1 Gen 2 Type-A, 4 x USB 3.1 Gen 1 Type-A
• RAID Support: 0, 1, 5, 10 (Intel RST)
• Form Factor: ATX

Final note

Supermicro's C9X299-RPGF-L delivers enterprise-grade reliability and performance for enthusiasts and professionals who demand the best from their Intel X299 platform.