Controller: Intel Ethernet Controller I225-LM Connector: RJ45 PCIe interface: PCIe Gen 2 x 1 Transmission rates: 2.5 Gbps/1 Gbps/100 Mbps/10 Mbps Supported operating systems: QTS 4.4.2 or later (recommend an upgrade to the latest version); Windows 10 (1809 or later); Linux Stable Kernel 4.20/5.x; Windows Server 2019 (Driver required) Supported QNAP NAS: Models with PCIe slot (s) (1 free slot required) Port & cable: RJ-45; over CAT-5 class cable Supported functions: PXE, Wake-On-LAN (Wo L), 9k jumbo frame, 802.1AS-rev/1588, 802.1 Qav/802.1 Qbv, Time Sensitive Networking (TSN), RSS+MSI-X, Teaming & VLAN support, Intel AMT** Package Content: 1 x Network card (Low-profile bracket pre-installed); 1 x QIG; 2 x Brackets (full-height & specialized for QNAP NAS)