The BCM5720-2P is compatible with x86 and x64 servers utilizing the PCIe v1.X and v2.X interfaces | PCI-E x1,compatible with pci-e x2,x4,x8,x16.Comes with Low Profile Bracket | Wide range of applications:Cloud and Web2.0 data center servers,Enterprise data center servers,Private Cloud,Machine Learning (ML) clusters,High-Performance Computing (HPC) clusters,Multi-node container platforms,NVMe storage disaggregation (NVMe-oF),Database servers | OS Support:CentOS, Debian, Microsoft Windows, Oracle Linux, Oracle Solaris, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, SUSE Linux Enterprise Server, Ubuntu, VMware, VMware ESX(Esxi 5/6/7/8), VMware vSphere, Windows Hyper-V, Windows Server | 180 day worry-free warranty and friendly customer service. If you have any questions, we will help you solve the problem when you need it, and if it can’t be solved, we will provide a refund and no return is required.