Sparkle Technology GeForce GTS450. Graphics processor: GeForce GTS 450, Graphics processor family: NVIDIA, Processor clock speed: 1579 MHz. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 2.0. Shader model version: 5.0, OpenGL version: 4.0, HDMI version: 1.4a. Minimum system power supply: 400 W