From XGI Technology:
XGI Volari Z7 v1.02.04_Dell: The XGI Volari Z7 graphics processor was designed specifically for specialized market applications including Servers, and Thin Clients. Combining with a low cost PCI system bus and flexible DRAM support, it offers a high value, reliable graphics solution for server and cost conscious systems. Why pay for something you don't need? Volari Z7 was designed for these specialized applications, significantly lowering the power and the thermal requirements. In addition, the DRAM controller has been optimized with a 16/32 bit interface to meet practical needs supporting the latest DDR technology.