model name / number:Dual SFP+ 10GbE NIC (X520-DA2)
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Selling 4x 10Gtek dual-port 10 Gigabit SFP+ network interface cards. These use the Intel 82599ES chipset (same as the Intel X520-DA2). PCIe x8 interface.
All four were pulled from working machines and have no issues. Each card has two SFP+ ports.
Compatible with Windows Server, Linux, VMware ESXi, TrueNAS, pfSense, etc. Great for homelab 10G networking, NAS builds, or virtualization setups.