The GeForce GTX 680 Mac Edition was a high-end graphics card by NVIDIA, launched on April 3rd, 2013. Built on the 28 nm process, and based on the GK104 graphics processor, in its GK104-400-A2 variant, the card supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_0, which can be problematic with newer DirectX 12 titles. The GK104 graphics processor is an average sized chip with a die area of 294 mm² and 3,540 million transistors. It features 1536 shading units, 128 texture mapping units, and 32 ROPs. NVIDIA has paired 2,048 MB GDDR5 memory with the GeForce GTX 680 Mac Edition, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 1006 MHz, which can be boosted up to 1058 MHz, memory is running at 1502 MHz (6 Gbps effective). Being a dual-slot card, the NVIDIA GeForce GTX 680 Mac Edition draws power from 2x 6-pin power connectors, with power draw rated at 195 W maximum. Display outputs include: 2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2. GeForce GTX 680 Mac Edition is connected to the rest of the system using a PCI-Express 2.0 x16 interface. The card's dimensions are 256 mm x 111 mm x 38 mm, and it features a dual-slot cooling solution. Its price at launch was 599 US Dollars.