Brocade TDSourcing 10Gb CNA for Lenovo System x - Network adapter - PCIe 2.0 x8 - 10 GigE/ 10Gb Fibre Channel - for Lenovo System x3100 M4/ x3250 M3/ x3250 M4/ x3630 M4/ x3650 M4 HD/ x36XX M3/ x3950 X5