Nvision / Gras valley / Mirandaenvoy power supply unit with dual output (nv8000 / nv8256 plus etc)this is the fully loaded dual output version which usually powers the large 256x256 routers in 3G / HD / SD /has 8x PS6000 power supplies installed insidetotal power 30a for 110v or 15amp for 220-240voltrear has 8x IECinputs2x router power output connectors edac type) (4x PSUs each feed 1 connector)2x Dtype connectors for alarsm and power supply monitoring.full working order, 1 or 2 fans in PSU may be noisy but working.