Viking's mission is to create products that enhance the speed, power and performance of IT systems, thereby increasing their value to the user. Viking's current offering includes over 2000 different memory, modem and flash memory products that present the fastest, most cost-effective means of expanding the capabilities of a computer or a digital device.??This memory is designed for the following Compaq systems:??Evo D510 Small Form Factor, Convertible Minitower, Ultra Slim Desktop;?Evo D310 Microtower; ?Evo D380mx; ?Evo D310v.??For a complete compatibility list please refer to the original manufacturer's web site.