CFP HW Kit, w/FtB HS, 19 fin, 37.7mm Pluggable I/O Product Type: Accessory Port Matrix Configuration: 1 x 1 Thermal Accessory Type Included: Heat Sink Heat Sink Style: Fin Heat Sink Height: 37.07 mm Accessory 1 x 1 Heat Sink Fin | Cfp/cfp2/cfp4 | Part Number: 2110915-1 | Internal Number: 2110915-1 | 37.07 mm | TE Connectivity