What would you fill a three slot 500 series chassis with?

Rupert Neve Designs R6 - 6-Slot 500 Series Rack · Rupert Neve Designs £ inc vat £ ex vat

All of the IO is XLR for standard wiring, and a total of 10 slots ensures expandability for future module acquisitions 3 Cranborne Audio

303 slot 3LB Features The 3LB incorporates 3 slots for 500 series modules or the 1073D in a lunchbox Solid steel chassis Inputs and outputs on either side

36 slot Sophos Firewall and the XGS Series deliver the industry's best visibility, protection, and performance 3 external antennas single radio, or 5 GHz