It fully depends upon your requirement. If your budget permits then buying a bigger power solution might solve the issue. Also, it would require a greater space to accomodate a large one. But having a large one can help us in few ways as well. Like we can get the one with higher power and can make our devices last longer. If space is a issue then getting 10 ups each per pc is a good option for you. Decide wisely and let us know what you did ??