All-in-one
1 x Core i5 2.3 GHz
RAM 8 GB
HDD 1 TB
Iris Plus Graphics 640
GigE
WLAN: 802.11a/b/g/n/ac, Bluetooth 4.2
OS X 10.13 High Sierra
monitor: LED 21.5" 1920 x 1080 (Full HD)
keyboard: English

3.6GHz quad-core 8th-generation Intel Core i3 processor
8GB 2666MHz DDR4 memory
Radeon Pro 555X with 2GB of GDDR5 memory
1TB Serial ATA Drive @ 5400 rpm
Magic Mouse 2
Magic Keyboard - British

3.0GHz 6-core 8th-generation Intel Core i5 processor, Turbo Boost up to 4.1GHz
8GB 2666MHz DDR4 memory
Radeon Pro 560X with 4GB of GDDR5 memory
1TB Fusion Drive storage
Magic Mouse 2
Magic Keyboard - British

3.0GHz 6-core 8th-generation Intel Core i5 processor, Turbo Boost up to 4.1GHz
8GB 2666MHz DDR4 memory
Radeon Pro 570X with 4GB of GDDR5 memory
1TB Fusion Drive storage
Magic Mouse 2
Magic Keyboard - British

3.1GHz 6-core 8th-generation Intel Core i5 processor, Turbo Boost up to 4.3GHz
8GB 2666MHz DDR4 memory
Radeon Pro 575X with 4GB of GDDR5 memory
1TB Fusion Drive storage
Magic Mouse 2
Magic Keyboard - British

3.7GHz 6-core 9th-generation Intel Core i5 processor, Turbo Boost up to 4.6GHz
8GB 2666MHz DDR4 memory
Radeon Pro 580X with 8GB of GDDR5 memory
2TB Fusion Drive storage
Magic Mouse 2
Magic Keyboard - British

27-inch Retina 5K 5120-by-2880 P3 display iMac Pro
3.2GHz 8-core Intel Xeon W processor Turbo Boost up to 4.2GHz 32GB 2666MHz
ECC memory, configurable up to 128GB
1TB SSD storage
Radeon Pro Vega 56 with 8GB HBM2 memory
10Gb Ethernet
Four Thunderbolt 3 ports