The AddOn QLogic QLE8242 - CU - CK Comparable 10Gbs Dual Open SFP+ Port Network Interface Card is engineered for maximum efficiency and usability in high - demand networking environments. This PCI Express 2.0 x8 adapter supports a bandwidth of 4000MB/s, making it ideal for servers and workstations that require robust network connectivity. With dual open SFP+ ports, it allows for flexible networking options and is compliant with IEEE 802.3 standards. The card is based on the Intel 82599 chipset, ensuring compatibility with various operating systems, including Windows, Linux, and Unix - like systems. It also supports high - level VLAN filtering, making it suitable for advanced networking applications. Whether you're upgrading your server or enhancing your workstation's networking capabilities, this card delivers exceptional performance and reliability.