AddOn Arista Networks AOC-Q-Q-40G-5M Compatible TAA Compliant 40GBase-AOC QSFP+ to QSFP+ Direct Attach Cable (850nm, MMF, 5m) - 100% compatible and guaranteed to work
AddOn Mellanox MC3309124-007 Compatible TAA Compliant 10GBase-CU SFP+ to SFP+ Direct Attach Cable (Passive Twinax, 7m) - 100% compatible and guaranteed to work
StarTech.com USB to Serial Hub - 16 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub - Convert a USB port into 16 RS232 serial ports in an industrial rack-mountable chassis, and daisy chain multiple hubs for a scalable solution - 16-Port USB-to-Serial Adapter Hub - USB to RS232 port adapter with FTDI chipset and COM port retention