Customer Reviews Price Replacement for X540-T1 X540-T2 X550-T1 X550-T2 Controller X540-AT2 X540-AT2 Intel X550-AT Intel X550-AT2 Port Configure (1x) RJ-45 (2x) RJ-45 (1x) RJ-45 (2x) RJ-45 System Interface Type PCIe X8 PCIe X8 PCIe X4 PCIe X4 WOL X X X X SR - IOV Yes Yes Yes Yes Jumbo Frames Yes, Up to 15.5KB Yes, Up to 15.5KB Yes, Up to 15.5KB Yes, Up to 15.5KB Operating Systems Windows 7/8/10, Windows Server 2008/2012/2016/2019, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware Esxi 6/7, SLSE 11/12 Windows 7/8/10, Windows Server 2008/2012/2016/2019, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware Esxi 6/7, SLSE 11/12 Windows 7/8/10, Windows Server 2008/2012/2016/2019, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware Esxi 6/7, SLSE 11/12 Windows 7/8/10, Windows Server 2008/2012/2016/2019, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, Vmware Esxi 6/7, SLSE 11/12 Unsupported Note Mac OS, Bypass Mode Mac OS, Bypass Mode Mac OS, Bypass Mode Mac OS, Bypass Mode Windows 10 Teaming no data Yes no data Yes