Dell Force10 S55-10GE-2S S55 Dual Port 10Gb SFP+ Optical Switch Uplink Module 32J5K 032J5K CN-032J5K.Dell Part Number: 32J5K 032J5K CN-032J5KDell Model Number: S55-10GE-2SCompatible Part Numbers: 759-00065-02Specifications:Interfaces/Ports: Dual Port 10Gb SFP+Transfer Rate: 10Gb/sCompatibility: Force10 S55 Switches