By limiting the hardware footprint accompanying traditional physical storage, StarWind VSAN allows you to double your savings by lowering CapEx and OpEx. You can forget about additional licensing expenses as well. Naturally, as any product of a kind, it still requires hardware for work, but the difference in price between custom hardware and commodity one is evident enough.
In a world of rapidly changing and evolving virtualization infrastructures, vendors are in constant pursuit of making them more robust, reliable, operational, and, to put it simply, overall more efficient. Kernel-based Virtual Machine (KVM) is an open-source virtualization technology that converts Linux into a bare-metal hypervisor, having all the necessary components (memory manager, process scheduler, input/output (I/O) stack, etc) as a part of Linux kernel. In comparison with the most industry-leading products, KVM hypervisor offers much more flexibility for its users, leaving a lot of free room for improvement, so that migrating to KVM-based virtual infrastructure seems like actually quite a reasonable idea. Since it is a part of large and broad Linux family, it is safe to say that everything that Linux can offer KVM can offer too.