ASUS EAH4650/DI/1GD2, 1 GB, GDDR2, 128 bit, 800 MHz, 2560 x 1600 pixels, PCI Express 2.0 ASUS EAH4650/DI/1GD2. Processor frequency: 600 MHz. Discrete graphics card memory: 1 GB, Graphics card memory type: GDDR2, Memory bus: 128 bit, Memory clock speed: 800 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1. Interface type: PCI Express 2.0. Cooling type: Active