High Speed Add-on Card with Two 10GBASE-T Ports for Synology Servers – E10G18-T2 Enjoy seamless migration to a high-speed 10 Gb/s Ethernet network. The E10G18-T2 adapter provides excellent transmission performance with the ability to reduce packet processing load and free up CPU repsus for other tasks. It supports IEEE 802.3an/ab (10GBASE-T/1000BASE-T) and 802.3x with dual RJ-45 connectors and provides a total transfer rate of 20Gb/s, using a standard CAT6 cable or better UTP cable connections. Features such as Link Aggregation, Jumbo Frame, TSO and TCP/UDP/IP checksum load reduction meet high computing power requirements and make the E10G18-T2 the ideal cost-effective solution for supporting a 10Gb/s network environment. In general Host bus interface: PCIe 3.0 x8 Holder height: Low profile and full height Size (height x width x depth): 170.6 mm x 68.9 mm x 13.6 mm Operating temperature: 0 ? C to 40 ? C (32 ? F to 104 ? F) Storage temperature: -20 ? C to 60 ? C (-5 ? F to 140 ? F) Relative humidity: 5% to 95% RH Warranty: 5 years Sew Data transfer rate: 10 Gbps Network operation mode: Full duplex Supported features: Jumbo Frame 9 kB, TCP/UDP/IP Checksum Offloading, TCP Segmentation Offload (TSO)