Dual 100Gb/s QSFP28 Ports Intelligent RDMA Ethernet Adapter for Web 2.0, Cloud and Storage Servers, Mellanox ConnectX-5 EX MT28808A0 Ethernet Controller, 2X 100GbE PCIE Gen 4.0 x16 NIC Card (CX516A)

1. CX516A is a PCIE Gen 4.0 X16 (256Gb/s Bandwidth) Interface to Dual 100GbE QSFP28 Fiber Ports Intelligent RDMA Ethernet Adapter. Powered by the Mellanox ConnectX-5 EX converged Ethernet controller, it delivers 2x 100GbE network connections simultaneously to servers, with advanced application offloading capabilities optimized for Web 2.0, cloud, storage and telco environments. ^^
2.
Ethernet Controller: Mellanox ConnectX-5 EX MT28808A0;
Bus Interface: PCIE Gen 4.0 x16;
Ethernet Speed: 2x 100GbE (200GbE Totally);
Connector Type: 2x QSFP28 Fiber Ports;
Remote Boot: RoCE, PXE, iSCSI; Supports RDMA over RoCE; Support I/O Virtualization and SR-IOV; Support Overlay Networks by providing advanced VXLAN, NVGRE, MPLS, GENEVE, and NSH.
Storage Protocols: SRP, ISER, NFS RDMA, SMB Direct, NVME-OF. ^^
3. Support IEEE 802.3 cd, 50Gb/s and 100Gb/s; IEEE 802.3 bj, 802.3 bm 100Gb/s; IEEE 802.3 by 25Gb/s, 50Gb/s; IEEE 802.3 ba 40Gb/s; IEEE 802.3 ae 10Gb/s; IEEE 802.3 az; IEEE 802.3 ap; IEEE 802.3 ad; 802.1AX Link Aggregation; IEEE 802.1Q; 802.1P VLAN tags and priority; IEEE 802.1Q au Congestion Notification; IEEE 802.1Q az; IEEE 802.1Q bb; IEEE 802.1Q bg; IEEE 1588 V2; Support Jumbo frame ( 9.6KB ). ^^ 4. PCIE Gen 4.0 Standard, 16Gb/s Per Lane. PCIE X16 Interface, 256Gb/s Bandwidth Totally, Ensure 2X QSFP28 Fiber Ports Archive 100GbE Speed Simultaneously. Auto-Negotiates to PCIE x8, x4 Lane. Auto-Switch to PCIE Gen 5.0, Gen 4.0, Gen 3.0 and Gen 2.0. Support MSI/MSI-X mechanisms. PCIE switch Downstream Port Containment Enablement for PCIE Hot-Plug. ^^
5. Support plug and play on Windows 11, 10 64bit and Windows Server 2012, 2012R2, 2016, 2019, 2022, 2025 64bit. Compatible with RHEL, CentOS, FreeBSD, VMware and other Linux kernel-based systems. ^^
6. Support Open Fabrics Enterprise Distribution (OFED) and Open Fabrics Windows Distribution (WinOF-2). Compatible with QSFP28 Transceivers, QSFP28 DAC cables and QSFP28 AOC cables with 50GbE, 100GbE, 200GbE PAM4 ethernet links.