That's a very nice remote switch for a normal motherboard. Unfortunately, you are trying to enter the proprietary fiefdom of Dell which uses a unique power switch circuit board...
nothing is ever simple
As you can see, the proprietary connector looks nothing like the connectors on your new switch.
If you search back through these post, others that have replaced the Alienware cases had to keep the Dell power switch and not use the new switch that was included in their new case as connecting a normal power switch to a Dell motherboard seemed like quite the daunting task.
If you documented the voltage and any waveforms or pulses at each point on the Dell connector and motherboard and matched it with what a normal motherboard requires you may be able to use your new switch.
Doghouse Reilly
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January 9th, 2021 16:00
That's a very nice remote switch for a normal motherboard. Unfortunately, you are trying to enter the proprietary fiefdom of Dell which uses a unique power switch circuit board...
As you can see, the proprietary connector looks nothing like the connectors on your new switch.
If you search back through these post, others that have replaced the Alienware cases had to keep the Dell power switch and not use the new switch that was included in their new case as connecting a normal power switch to a Dell motherboard seemed like quite the daunting task.
If you documented the voltage and any waveforms or pulses at each point on the Dell connector and motherboard and matched it with what a normal motherboard requires you may be able to use your new switch.
Best of luck.