Fully working graphics card flashed by MacVidCards to be fully compatible with Apple Mac Pro computers. Supplied with special power cable kit for Mac Pro using additional power from SATA port.

Card has dual-BIOS switch with two different Mac EFI versions:

1) Default - best for macOS Big Sur/Monterey/Ventura/Sonoma with all ports working

2) Alternative - best for macOS Mojave/Catalina with lowest and highest DisplayPort disabled

12 months warranty from the date of purchase. Return or refund possible within 30 days. The buyer pays the return shipping.

System requirements:

- Apple Mac Pro 4,1 (2009) or Mac Pro 5,1 (2010-2012)

- installed macOS High Sierra 10.13.4 or newer, macOS Mojave 10.14 or later recommended (no fan stop feature on High Sierra)

- native support by macOS High Sierra, Mojave, Catalina, Big Sur, Monterey and Ventura/Sonoma via patcher, no drivers needed

Key features:

- compatible with macOS and Windows (via BootCamp)

- supports Apple boot screen (gray screen with Apple logo on startup) on all ports (also on 4K displays), on alternative BIOS on two upper DisplayPorts and HDMI

- uses internal Mac Pro power supply

- supports PCI Express 2.0 link under macOS and Windows

- supports four displays simultaneously: 3x DisplayPort 1.4 + 1x HDMI 1.4 (2.0 under Windows), up to three displays on alternative BIOS

- supports 4K/5K/8K@60Hz via DisplayPort and 4K@30Hz via DVI and HDMI ports

- supports Metal, OpenCL and OpenGL in applications and games

- allows Windows 8/8.1/10/11 installation in UEFI mode with resume/standby modes working

- supports sound via HDMI and DisplayPorts under macOS (from macOS 10.14 or above)

Technical specification:

- graphics processor clock: 1630 MHz

- memory speed: 945 MHz

- amount and type of memory: 8 GB HBM 2

- bus width: 2048-bit

- bus: PCI-Express 2.0 x16

- TDP: 300W (requires SATA power or Pixlas mod)