At first glance, the HP ZR30w may look like the previous 30-inch diagonal Performance series monitor, but its enhanced features make this model a generation wow monitor. For starters, it has an aluminum-clad chassis that uses a minimum of 25% post-consumer recycled resin for more responsible resource utilization. Next, it houses a lower power panel, making it more efficient than previous 30-inch models. & finally, it comes with an 85% efficient power supply. Once you take a closer look at the HP ZR30w, youll find that HP has gone to extreme measures to make their biggest monitor better.