Special Order: CAGE ASSY, 1X4, QSFP28, SPRING, LP Pluggable I/O Product Type: Cage Assembly Port Matrix Configuration: 1 x 4 EMI Containment Feature Type: Internal/External EMI Springs Included Lightpipe: Yes Enhancements: Standard Cage Assembly 1 x 4 Internal/External EMI Springs | Qsfp+/zqsfp+ | Part Number: 2170746-1 | Internal Number: 2170746-1 | TE Connectivity