PowerColor AX5450 512MD2-SH. Processor: 2560 x 1600 pixels, AMD, Radeon HD5450, 650 MHz, CrossFire, 2048 x 1536 pixels, 2560 x 1600 pixels. Memory: 512 MB, DDR2, 64 bit. Connectivity: PCI Express 2.1. Cooling: passive. Video: 5.0, 3.2