Radeon RX 6600 XT 8GB 128-bit GDDR6 is a high-end Metal 3 graphics card modified for Mac Pro models 4,1 - 5,1 (2009-2012) to show -
• Apple Logo Boot Screen
• Boot Menu Selector
• Progress Bar
• Verbose Single User Mode
• Recovery Mode
• FireWire Target Mode
• Firmware Updates
• OS X Installer Setup
• OpenCore Setup
*Slightly wider than 2 slots by approx. 2mm for Superior Cooling so keep in mind slot #2 will be inaccessible*
This video card is Plug ’n Play (gpu power cable mandatory)
Native support starts on Mac OS X Monterey 12.1 with OCLP
Tested working on Mac Pro 4,1 - 5,1 up to the latest Monterey 12.x
Tested working on Windows 7 - 11 Boot Camp
Cable adapters, tv's / monitors, port functionality, performance, resolutions, refresh rates, may act differently between different operating systems. Behavior in one version may be different than in another.
Card has been fully stress tested and monitored on all output ports and works perfectly in both either OS X versions or Windows Boot Camp.
Supports 4 multiple displays. Adapters that are 'Active' or 'Passive' will yield different results.
Maximum Resolutions:
Output ports come in different variations depending on stock:
3 x DisplayPort, 1 x HDMI
Graphics Features
Metal 3 Support
DirectX 12.2
OpenGL 4.6
OpenCL 2.1
Vulkan 1.3
Shader Model 6.8
Clock Speeds
Base Clock
1968 MHz
Game Clock
2359 MHz
Boost Clock
2589 MHz
Memory Clock
2000 MHz
16 Gbps effective
Render Config
Shading Units
2048
TMUs
128
ROPs
64
Compute Units
32
RT Cores
32
Theoretical Performance
Pixel Rate
165.7 GPixel/s
Texture Rate
331.4 GTexel/s
Bandwidth
256 GB/s
*Main image is only a representation in the Mac Pro and actual card will look different upon arrival.
*Cable included upon request at checkout.
Don't forget to check out my other listings for similar cards. Happy Shopping !