Support for RAM and MB sizes in 4 dual-socket bundles plus Threadripper support
Support for RAM and MB sizes in 4 dual-socket bundles plus Threadripper support
Considering the product link and motherboard compatibility, it seems the GTZNC modules are suitable for the TRX40. The mention of quad sets working with the board suggests you need multiple slots active simultaneously. The "full kits" idea appears to be relevant here.