Specifications Mfr Part Number: EAH4550/DI/512MD3 Chipset: Radeon HD 4550 Engine Clock: 600 MHz Video Memory: 512MB DDR3 Memory Clock: 1.6 GHz Memory Interface: 64-bit Bus: PCI-Express x16 (Support PCI-Express 2.0) RAMDAC: 400 MHz Max. Resolution: 2560 x 1600 Connectors: VGA; DVI; HDMI Thermal: Fansink Support ATI CrossFire Technology Support HDCP - High-bandwidth Digital Content Protection Support Microsoft DirectX 10.1, Shader Model 4.1 and OpenGL 2.0 Package: Retail MAL4550VGARegular price: $93.89Sale price: $88.60 Ground shipping on all parts only 6.99! © 2004 comtecpc.com, All rights reserved.