One Marvell quad port 1GbE/10GbE NIC. QL41164HFCU Full Height NIC with full height bracket. PCIe 3.0 x8. SFP+ cage interfaces. Supports most Linux Server (RHEL/SLES/etc), Windows Server 2016/2019/2022 (and consumer Win10/Win11), and VMware OSs. Supports RDMA (RoCE/iWARP) Offload and iSCSI Offload. Supports 16 Physical Functions in NPAR mode (4 PFs per port). Loaded with the latest Marvell 41xxx firmware. See https://www.marvell.com/support/doc-library.html and https://www.marvell.com/support/downloads.html for more info.