ASUS EAH4670/DI/1GD3, 1 GB, GDDR3, 128 bit, 1600 MHz, 2560 x 1600 pixels, PCI Express 2.0 ASUS EAH4670/DI/1GD3. Processor frequency: 750 MHz. Discrete graphics card memory: 1 GB, Graphics card memory type: GDDR3, Memory bus: 128 bit, Memory clock speed: 1600 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1. Interface type: PCI Express 2.0. Cooling type: Active