Macintosh LC III, III+;
Performa 450, 460, 466, 467 - wiki

CPU
68030 @ 25.00MHz (LC III; Performa 450)
68030 @ 33.33MHz (LC III+; Performa 460, 466, 467)
68882 @ 25.00MHz optional (LC III; Performa 450)
68882 @ 33.33MHz optional (LC III+; Performa 460, 466, 467)
System bus @ 25.00MHz; 32-bit (LC III; Performa 450)
System bus @ 33.33MHz; 32-bit (LC III+; Performa 460, 466, 467)

no L2 cache; aftermarket CPU upgrades available with L2 cache(?)

Memory
4MB onboard, 80ns; 36MB max
1 x 72-pin SIMM, 80ns or faster

Will operate in 24-bit and 32-bit addressing modes.

Machine ID
27 (LC III; Performa 450)
62 (LC III+; Performa 460, 466, 467)

Main logic board (LC III; Performa 450) 820-0650-A