Minimum quantity for "21.5 - Inch Imac with Retina - 4K Display: 3.0GHZ 6-CORE 8th Generation Intel Core I5 Processor - 256GB" is 1.
Minimum quantity for "27 Inch iMac Pro with Retina 5K Display- 3.0GHZ 10 Core Intel Xeon W Processor" is 1.
Minimum quantity for "27-Inch iMac with Retina 5K Display: 3.1GHZ 6-Core 10th Generation Intel Core I5 Processor - 256GB" is 1.