Mac Pro
The Mac Pro is a series of high-end desktop computers designed by Apple, and was first released on August 7, 2006.
Mac Pro (Mid-2012)
The Mac Pro 2012 was released on June 11, 2012.
It had a 6-Core Intel Xeon X5675 CPU at 3.06GHz, which can be Turbo Boosted to 3.46GHz.
Also, it has 1TB of SSD Storage and 12GB of PC3-10600 DDR3 ECC SDRAM, which is expandable to 128GB.
It has 1GB of VRAM, and support for up to 6 Displays at a resolution of 2560 by 1600.
Mac Pro (Late-2013)
The Mac Pro 2013 was released on October 22, 2013.
It had a 12-Core Intel Xeon E5-2697 CPU at 2.7GHz, which can be Turbo Boosted to 3.5GHz.
Also, it has 256GB of SSD Storage and 12 or 16GB of PC3-15000 DDR3 ECC SDRAM, which is expandable to 128GB.
It has a AMD FirePro D700 Video Card, and supports up to 6 Displays at a resolution of 5120 by 2880.
Mac Pro (Late-2019)
The Mac Pro 2019 was released on June 3, 2019.
It had a 28-Core Intel Xeon W-3275M CPU at 2.5GHz, which can be Turbo Boosted to 4.4GHz.
Also, it has 256GB of SSD Storage and 32GB of DDR4 ECC RAM, which is expandable to 1.5TB.
It has a AMD Radeon Pro 580X Video Card, and supports up to 6 Displays at a 6K resolution.