This product is either discontinued or we cannot get that from suppliers.
D-link DXE-810S, Pci Express 10 Gigabit Sfp+ Ethernet, Standard IEEE 802.1Q VLAN tagging, IEEE 802.3x flow control, PCI Express x4 2.0, 5 GT/s compliant, Power Maximum Power Consumption 4.47 W, Input Voltage: 3.3 V and 12 V, 10 Gbps Full Duplex, O/S Windows 8.1, 8, 7, Windows Server 2008R2, 2012, and 2012R2, Windows Hyper-V, Linux kernel 2.6.x - 3.x.x, VMWare ESXi 4.x - 5.x.
The D-Link DXE-810S 10 Gigabit Ethernet SFP+ PCI Express Adapter is a high performance adapter designed for the high-speed PCI Express bus architecture. It offers increased bandwidth, reliability, and more.