The Radeon HD 2900 XTX was a graphics card by ATI, that was never released. Built on the 80 nm process, and based on the R600 graphics processor, in its R600 XTX A11 variant, the card supports DirectX 10.0. Since Radeon HD 2900 XTX does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. The R600 graphics processor is a large chip with a die area of 420 mm² and 720 million transistors. It features 320 shading units, 16 texture mapping units, and 16 ROPs. ATI has paired 512 MB GDDR3 memory with the Radeon HD 2900 XTX, which are connected using a 512-bit memory interface. The GPU is operating at a frequency of 743 MHz, memory is running at 828 MHz. Being a dual-slot card, the ATI Radeon HD 2900 XTX draws power from 2x 6-pin power connectors, with power draw rated at 240 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 2900 XTX is connected to the rest of the system using a PCI-Express 1.0 x16 interface. The card measures 315 mm in length, and features a dual-slot cooling solution.