Found 13 alternatives for 1658391-1 by WEC. Pluggable Connectors — Bulk,Tray.
CONN SFP CAGE 1X6 PRESS-FIT R/A
CONN SFP CAGE 1X4 PRESS-FIT R/A
CONN MICRO QSFP CAGE SLD R/A
CONN ZSFP+ CAGE 1X4 PRESSFIT R/A
CONN ZQSFP+ CAGE 1X4 W/HSINK R/A
CONN MICRO QSFP CAGE SLD R/A
CONN MICRO QSFP CAGE 1X4 R/A
CONN MINI HD SAS RCPT 1X2 32P RA
CONN MICRO QSFP CAGE 1X4 R/A
CONN MINI SAS CAGE 1X2 SLD R/A
CONN SFP+ RCPT W/CAGE 2X2 80P RA
CONN SFP+ RCP W/CAGE 2X4 160P RA
CONN QSFP+ CAGE 1X4 W/HSINK R/A