Device Motherboards Model No. ZX-X99 D4M4 CPU/Chipset(s) Intel X99 Realtek ALC662 CPU Socket LGA 2011-v3 (Socket R3) Interface/port(s) PCI Express -- PCI Express x16 -- PCI Express x4 -- PCI Express x1 M.2 (NGFF) M.2 (NGFF) SATA - SATA 3.0 - SATA 3.0 - SATA 3.0 - SATA 3.0 - SATA 3.0 - SATA 3.0 RAM (Max.) 256 GB Sound Drivers: Realtek ALC662 High Definition Audio Driver (Windows 11/10 x64) Realtek ALC662 Sound Driver (Windows 10/8.1/8/7) Network Drivers: Realtek PCIe GBE/2.5G Family Controller Drivers (Windows 11/10/8/7/XP/ME/98) Chipset Drivers: Intel® Chipset Driver 10.1.18019.8144 (Windows 11/10)