Feature: 1. [PCI E 4.0 Network Card] Adopts server and network virtualization management, provides traffic separation for virtual machines (M5), supports multi functional operations, suitable for high performance server network environments. 2. [Gold Plated Shielded Interface] This network card adopts gold plated shielding interface, effectively prevents interference, ensuring smoother data transfer. 3. [High Performance Chip] Based on E810 XXVAM2 chip, this Ethernet card is compatible with common servers, offering powerful functionality. 4. [Stable Data Transfer] Utilizing gold finger plating technology, this network card provides stable data transfer, reducing the chances of packet loss and distortion. 5. [High Speed] With a maximum transfer rate of 25GbE, this network card enables efficient office work and entertainment, ensuring higher productivity. Specification: Item Type: PCI E 4.0 Network Card Material: PCB Controller: E810 XXVAM2 Chip Transfer Rate: 25GbE 10GbE 1GbE Speed and Slot Width: 16 GT/s x8 lanes Interface: 2 x SFP+ System Interface Type: PCIe 4.0 X8 (16GT/s) Wiring Type: SFP28 ports DAC, Optics Virtualization Technology for Connectivity (VT c): Yes Onboard QoS Traffic Management: Yes Flexible Port Partitioning: Yes Virtual Machine Device Queues (VMDq): Yes Support for PCI-SIGxSR-IOV: Yes iWARP/RDMA: Yes RoCEv2/RDMA: Yes Data Direct IO Technology: Yes Intelligent Offloads: Yes Ethernet Storage: iSCSI.NFS Supported Operating Systems: for Win Server 2012 R2, for Win Server 2012, for Win Server 2012 R2 Core, for Win Server 2012 Core, for Win Server 2008 R2, for Win Server 2008 R2 Core, for Linux Stable Kernel version 2.6.32/3x, for Linux RHEL 6.5 and for RHEL 7.0, for FreeBSD 9 and for FreeBSD 10 for UEFI 2.1, for UEFI 2.3, for VMware ESXi 5.1 (Limited Functionality), for VMware ESXi 5.5, for Linux SLES 11 SP3, and for SLES 12 . Package List: 1 x PCI E 4.0 Network Card 1 x Short Baffle 1 x CD Disc