This mini still holds a lot of silicon—let's take a look!

3.6 GHz quad-core Intel Core i3 CPU with Intel UHD Graphics 630

Toshiba TSB3225V81199TWNA1 flash storage (32 GB each, 128 GB total)

Apple APL1027 339S00604 T2 coprocessor

Intel SR40E CM246 platform controller hub

Intel JHL7540 Thunderbolt 3 controller

Broadcom BCM57766 Gigabit Ethernet controller

338S00342-A0 (likely an Apple PMIC)