2057183-3,Cage Assembly, 1 x 4, Customer Applied Gasket, Included Lightpipe, Standard, 4 Port, Dual Round, Pin, QSFP/QSFP+ Part Number: 2057183-3 Part Status Active Connector Style Cage, Ganged (1 x 4) with Heat Sink Connector Type QSFP+ Heat Sink Height 13.5mm[.531in] Mounting Type Through Hole, Right Angle Termination Press-Fit Features EMI Shielded Port Matrix Configuration 1x4  Number of Ports 4 Number of Rear EONs per Port Column 1 Data Rate (Max)(Gb/s) 14 Operating Temperature Range -55 – 105°C Pluggable I/O

QSFP+ , Cage Assembly, 1 x 4, Elastomeric Gasket, Standard, Data Rate (Max) 14 Gb/s, 4 Port Part Number 2170287-1 Part Status Active Connector Style Cage, Ganged (1 x 4) with Heat Sink Connector Type QSFP+ Heat Sink Height 4.2mm[.165in] Mounting Type Through Hole, Right Angle Termination Press-Fit Features EMI Shielded Port Matrix Configuration 1x4 Ports Number of Ports 4 Number of Rear EONs per Port Column 2 Data Rate (Max)(Gb/s) 14 Operating Temperature Range -55 – 105°C Pluggable I/O Applications SFP+ Stacked