The following information can be used for ordering 10G cards from Dell:

• Card
  • Intel X520 DA 10GB, Dual Port SFP+,PCIe-8 NIC, Customer Install (430-3815)
• SR Optic
  • SR Opt Trcvr for Intel X520 SFP+ NIC, Customer Install (330-8721)
• LR Optic
  • SFP+ GBIC OPTICS LR (A3311165)