HighPoint Rocket R740A SAS Controller - 12Gb/s SAS - PCI Express 3.0 x16 - Full-height - Plug-in Card - 4x SFF-8643 mini-SAS HD - 32 Total SAS Port(s) - 32 SAS Port(s) Internal - PC, Linux - Windows 11, Windows 10, Windows Server 2022, Windows Server 2019, Windows Server 2016, Hyper-V, Red Hat Enterprise Linux, Ubuntu Linux, Debian Linux, Fedora, Linux 3.10 Supported Operating System: