What Processor Does the Lenovo IdeaCentre A540 AIO (27”, Intel) Have?

The 2019 Lenovo IdeaCentre A540 AIO (27”, Intel) uses the Intel® B360 Chipset motherboard which supports the following processors:

1. 9th Gen Intel® Core™ i3-9100T
   4 cores, 4 threads, 3.10 → 3.70 GHz, 6MB SmartCache, 35W
   Intel® UHD Graphics 630 , 23 Execution Units, 350 → 1100 MHz
2. 9th Gen Intel® Core™ i5-9400T
   6 cores, 6 threads, 1.80 → 3.40 GHz, 9MB SmartCache, 35W
   Intel® UHD Graphics 630 , 24 Execution Units, 350 → 1050 MHz
3. 9th Gen Intel® Core™ i7-9700T
   8 cores, 8 threads, 2.00 → 4.30 GHz, 12MB SmartCache, 35W
   Intel® UHD Graphics 630 , 24 Execution Units, 350 → 1200 MHz