XFX Radeon HD 5450 Graphic Card 650 MHz Core 1 GB SDDR3 PCI Express 2.1 x16 Low-profile 1066 MHz Memory Clock 2560 x 1600 Passive Cooler DirectX 11.0, OpenGL 3.2, OpenCL HDMI DVI (ON-XFX1-PLS2) Chipset: AMD Radeon HD 5450, 450 watt power supply Recommended Engine Clock: 650 MHz Video Memory: 1GB GDDR3 Memory Clock: 1066 MHz. WORKS WITH INTEL & AMD PCs Memory Interface: 64-bit. Minimum Power Supply Requirement : 400 Watt