QNAP QXG-10G2T Dual-port, 10GbE PCIe Gen 3 Ports with SR-IOV and iSCSI 

Dual-port 10GbE network expansion card

Controller: Marvell AQtion AQC107S

Connector: NBASE-T (RJ45)

PCIe interface: PCIe 2.0 x4

Transmission rates: 10Gbps/5Gbps/2.5Gbps/1Gbps/100Mbps

Supported operating systems: QTS 4.5.2 (or later); QuTS hero h4.5.2 (or later); Windows (Driver required); Linux (Driver required)

Bracket: Low-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled

Port and cable: RJ-45; over CAT 6 class cable recommended

Applied Models: PCIe supported NAS