*Radeon R7 250X 2GB Metal GPU Video Graphic Card for Mac Pro 4K Boot Screen 7950
Specifications
| Return Shipping Will Be Paid By | Buyer |
| Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 14 Days |
| Brand | Unbranded |
| Connectors | HDMI |
| Chipset Manufacturer | AMD |
| Memory Size | 2 GB |
| APIs | Metal |
| Power Cable Requirement | 6-Pin PCI-E |
| Compatible Slot | PCI Express 2.0 x16 |
| Cooling Component Included | Fan with Heatsink |
| Memory Type | GDDR5 |
| Chipset/GPU Model | AMD Radeon R7 250X |
The Radeon R7 250X 2GB 128-bit GDDR5 is an entry-level Metal graphics card modified for all Mac Pro models 3,1 - 5,1 (2008-2012) 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 *Boot Screen shows when HDMI + DisplayPort are connected. All ports work once in Finder or Windows. This cards power limits have been tweaked and modified within safe range for Mac Pro power limit requirements in mind to prevent crashing under full load for a smooth and crash free experience. This video card is Plug ’n Play (gpu power cable mandatory) Native support starts on Mac OS X Lion 10.7.5 and Mountain Lion 10.8.2 with official Radeon drivers up to Monterey 12.x. OCLP provides support on Sonoma 14.x and Ventura 13.x Tested working on Mac Pro 3,1 up to Sonoma 14.xTested working on Mac Pro 4,1 - 5,1 up to Sonoma 14.xTested 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 2+ multiple displays. Adapters that are 'Active' or 'Passive' will yield different results. Maximum Resolutions:Dual Link DVI: 2560 x 1600 @ 60HzDisplayPort / mDP 1.2: 4096 x 2160 @ 60Hz, 5120 x 2880 @ 30HzHDMI 1.4a: 4096 x 2160 @24Hz, 3840×2160 @ 30HzVGA (w/adapter): 2048x1536*Note: 4K 3840 x 2160 resolutions require OS 10.9 or better for best compatibility/performance*Note: 4K @ 60Hz on HDMI can be achieved with proper DP / mDP 1.2 to HDMI 2.0 adapter*Note: 5K @ 30Hz on DP / mDP 1.2 to HDMI 2.0 adapterOutput ports come as: 2 x DVI, 1 x DisplayPort, 1 x HDMI Graphics Features Metal SupportDirectX 12 (11.1)OpenGL 4.6OpenCL 1.2Vulkan 1.2Shader Model 5.1Clock SpeedsBase Clock950 MHzMemory Clock1125 MHz 4.5 Gbps effectiveRender ConfigShading Units640TMUs40ROPs16Compute Units10Theoretical PerformancePixel Rate15.2 GPixel/sTexture Rate38 GTexel/sBandwidth72 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. Strongly urged to re-use your existing 6-pin cable if applicable. Don't forget to check out my other listings for similar cards. Happy Shopping !