Extreme networks EPS-500 External AC PSU 500W Blue power supply unit

EPS-500 External AC PSU EPS-500 is the redundant AC Power Supply for higher
power consuming AC PSU based switches including
Summit X350 switches. EPS-500 is one rack unit height and
works as a standalone. EPS-500 can be rack mounted in a
regular 19 inch rack system. EPS-500 comes with a DC
output cable to connect between the Summit switch and
EPS-500.