Kingston Technology offers upgrade module for ATI Rage Pro Turbo AGP 2X controller based video subsystem. ??This video memory can be used with the following models of Compaq Deskpro EN series: 6350/10.0, 6350/4.3, 6350/6.4; 6400/4.3, 6400/6.4, 6400/9.1; 6450/10.0, 6450/6.4, 6450/9.1.