540-11071 Dell QLogic 57810 Dual Port 10Gb Direct Attach/SFP+ Low Prof
540-11149 - Dell 540-11149 broadcom 57810s dual port 10gb direct attach/sfp+ network adapter with full height bracket - serverevolution.com
Amazon.com: 10Gb NIC SFP+ PCIE Network Card with Broadcom BCM57810S Controller, Dual SFP+ Ports, Fits for PCI-E X 8/x16, PCI Express LAN Card Support Windows Server/Windows/Linux/VMware : Electronics