Due to varying discounts for business customers and currency conversions these numbers are estimates; however, they should be pretty close to retail U.S. pricing.
These upgrade prices apply to the $3999 high-end stock configuration:
CPU (Stock: 3.5GHz 6-Core Intel Xeon E5)
- 3.0GHz 8-core: +$1500
- 2.7GHz 12-core: +$3000
Graphics (Stock: Dual AMD FirePro D500 with 3GB GDDR5)
- Dual AMD FirePro D700 with 6 GB GDDR5: +$600
RAM (Stock: 16GB 1866MHz DDR3 ECC - 4x4GB)
- 32GB (4x8GB): +$400
- 64GB (4x16GB): +$1600
Flash Storage (Stock: 256GB PCIe-based)
- 512GB: +$300
- 1TB: +$800
The default low-end 'Quad-Core and Dual GPU' configuration features a 3.7GHz Quad-Core Intel Xeon E5 processor, 12GB 1866MHz DDR3 ECC memory, Dual AMD FirePro D300 with 2GB GDDR5 VRAM each, and 256GB PCIe-based flash storage.
The default high-end '6-Core and Dual GPU' configuration features a 3.5GHz 6-Core Intel Xeon E5 processor, 16GB 1866MHz DDR3 ECC memory, Dual AMD FirePro D500 with 3GB GDDR5 VRAM each, and 256GB PCIe-based flash storage.
It's still unclear when Apple will be releasing the Mac Pro; however, it's expected in "December".