639-0675 - Apple ATI Radeon HD 5770 1GB GDDR5 128-Bit PCI Express 2.0 x16 Video Graphics Card

Here are the technical specifications for the Apple ATI Radeon HD 5770 1GB GDDR5 128-Bit PCI Express 2.0 x16 Video Graphics Card:

- Graphics Processor: ATI Radeon HD 5770
- Memory: 1GB GDDR5
- Memory Interface: 128-bit
- Bus Interface: PCI Express 2.0 x16
- Max Resolution: 2560 x 1600
- Outputs: 1 x Dual-Link DVI, 2 x Mini DisplayPort
- DirectX Support: 11
- OpenGL Support: 3.2
- Shader Model: 5.0

Helpful notes:
- This graphics card is compatible with Mac Pro models from mid-2010 to mid-2012.
- It supports multiple displays and can drive up to three displays simultaneously.
- The ATI Radeon HD 5770 offers a good balance of performance and power consumption for its time.