RSP-75~500 Series ModelRSP-75 / RSP-100 / RSP-150 / RSP-200 / RSP-320 / RSP-500 Wattage : 75W~500WFeatures :1U Low profile with active PFC function: 75W~320W: 30 mm, 500W: 40.5 mmBuilt-in constant current limiting circuit (RSP-75/100/150)Built-in remote ON/OFF control (RSP-75/100/150/500)Built-in remote sense (RSP-500 only)