The interesting thing about the Agility 4 is the Everest controller looks to offer nearly enthusiast-classed performance, particularly in incompressible data, at a much lower price point than we typically see. Currently retailing for only $189 in the 256GB capacity ($100 for 128GB), that's only $0.73 per GB and a very attractive deal. But how does the performance of the OCZ Agility 4 measure up? Is it worth the investment? Click through to find out.