G23589-251 - Intel - Dual-Port SFP 10GB I/O Module Daughter Card G23589-251 - Intel - Dual-Port SFP 10GB I/O Module Daughter Card $318.47 $269.89
PD111 - Dell - PowerConnect Dual Port 10GB Ethernet Stacking Module PD111 - Dell - PowerConnect Dual Port 10GB Ethernet Stacking Module $301.05 $255.13
540-11250 - Dell - Intel X540 Dual-Ports 10Gbps 10GBase-T PCI Express Server Network Adapter 540-11250 - Dell - Intel X540 Dual-Ports 10Gbps 10GBase-T PCI Express Server Network Adapter $539.45 $457.16