From
Lenovo's Detailed specifications - ThinkCentre Edge 72 (Tower Form Factor) (type 3484, 3485, and 3492):
Intel® Ci3 processor
Core i3 3240 55W Ivy Bridge 3.4GHz 3MB 2C LGA
Core i3 3220 55W Ivy Bridge 3.3GHz 3MB 2C LGA
Core i3 2120 SANDY BRIDGE 3MB 2c FCLGA 3.3GHz 65W
Core i3 2130 SANDY BRIDGE, 3MB 2C/4T 3.40 GHz, 65W
Intel® Ci5 processor
Core i5 3570 77W Ivy Bridge 3.4GHz 6MB 4c LGA GT2
Core i5 3570S 65W Ivy Bridge 3.10GHz 6MB LGA
Core i5 3550 77W vPro Ivy Bridge 3.3GHz 6MB 4c LGA GT1
Core i5 3550S 65W vPro Ivy Bridge 3.0GHz 6MB 4c LGA GT1
Core i5 3470T 35W Ivy Bridge 2.9GHz 3MB LGA
Core i5 3470 77W vPro Ivy Bridge 3.2GHz 6MB 4c LGA GT1
Core i5 3470S 65W Ivy Bridge 2.9GHz 6MB LGA
Core i5 2400 SANDY BRIDGE Stepping D2 6MB 4c FCLGA 3.1GHZ 95W vPro
Intel® Ci7 processor
Core i7 3770 77W vPro Ivy Bridge 3.4GHz 8MB 4c LGA GT2
Core i7 3770S 65W Ivy Bridge 3.1GHz 8MB LGA
Intel® SandyBridge Pentium processor
Pentium G870 SANDY BRIDGE 3MB 2C FCLGA 3.1GHZ 65W
Pentium G860 SANDY BRIDGE 3MB 2C FCLGA 3.0GHZ 65W
Pentium G850 SANDY BRIDGE 3MB 2C FCLGA 2.9GHZ 65W
Pentium G640 SANDY BRIDGE 3MB 2C FCLGA 2.8GHZ 65W
Pentium G630 SANDY BRIDGE 3MB 2C FCLGA 2.7GHZ 65W
Intel® SandyBridge Celeron processor
Celeron G550 SANDY BRIDGE 2MB 2C FCLGA 2.6GHZ 65W
Celeron G540 SANDY BRIDGE 2MB 2C FCLGA 2.5GHZ 65W
Celeron G530 SANDY BRIDGE 2MB 2C FCLGA 2.4GHZ 65W
Celeron G460 SANDY BRIDGE 1MB 1c FCLGA 1.8GHz 35W