HOBBY-BLOX Modular Electronics Protoype Breadboard System-choice of components

3Pcs 85822-101LF High Speed / Modular Connectors 4X6P R/A HDR

2Pcs 10045588-101LF High Speed / Modular Connectors 7.2MM RA GUIDE BLADE

15Pcs 89025-123LF High Speed / Modular Connectors METRAL HDR 1MX5R PF

1Pcs 10016527-101LF High Speed / Modular Connectors AIR-MAX HEADER 2 WALL

1Pcs 5223979-2 High Speed / Modular Connectors UPM GUIDE MODULE

2Pcs 10037912-113LF High Speed / Modular Connectors 10.8MM GUIDE MODULE

11Pcs 54602-908LF Modular Connectors / Ethernet Connectors 8-8 HORIZ PCB JACK