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StarTech.com 4 Port PCI Express PCIe Gigabit Ethernet NIC Network Adapter Card (ST1000SPEX42)

Protect critical networked systems with four redundant independent Gigabit Ethernet ports
Optimize network traffic with support for advanced features such as Jumbo Frames and VLAN tagging
Maximize your virtualized servers networking efficiency with dedicated ports
Backed by a StarTechcom 2-year warranty and free lifetime technical support
Four independent 101001000 RJ45 Ethernet ports
Jumbo Frame support up to 9k