The Xbox GPU was a performance-segment gaming console graphics solution by NVIDIA, launched on November 15th, 2001. Built on the 150 nm process, and based on the NV2A graphics processor, in its XGPU variant, the device supports DirectX 8.1. The NV2A graphics processor is an average sized chip with a die area of 142 mm² and 57 million transistors. It features 4 pixel shaders and 2 vertex shaders, 8 texture mapping units, and 4 ROPs. NVIDIA includes 64 MB DDR memory, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 233 MHz, memory is running at 200 MHz. Its power draw is not exactly known. Xbox GPU is connected to the rest of the system using an AGP 4x interface. The console's dimensions are 320 mm x 100 mm x 260 mm, and it features a igp cooling solution. Its price at launch was 299 US Dollars.