The OCZ Z-Drive R4 series represents a turning point in the evolution of PCIe attached solid state storage by merging the best feature sets of both the pure hardware & pure software based approaches to data management. Designed & manufactured for a wide range of enterprise environments including cloud computing & data centers, the Z-Drive R4 features OCZs Virtualized Controller Architecture (VCA) 2.0, providing the utmost in performance, flexibility, durability & enhanced reliability, allowing data centers to rely on a PCIe-based SSD as their primary tier one storage solution for the first time. in addition, the Z-Drive R4s level of concentrated performance enables system architects to design more productive infrastructures while lowering operating costs associated with hard drive technology.