Despite using an extremely compact and integrated design, the video card on the 2013 Mac Pro
may be upgradable, a French site suggests. Mac4Ever
writes that based on a hands-on look, the GPU appears to be located on a daughter card. While Apple is using a proprietary connector, the card should be removable, in theory allowing third parties to make and sell replacement options. A source at Apple allegedly echoes
Previous Pros were built more like standard Windows PCs, giving owners the option to replace just about any part so long as there was a Mac-compatible version. The 2013 edition is built more like iMacs and MacBooks, sacrificing upgrade freedom in exchange for benefits like a compact shape and reduced noise.