Power Specifications

This topic describes power supply specifications and power and heat dissipation. Refer to the Extreme 8720 Data Sheet for up-to-date information.

Power Supply Specifications

Power Supply Specifications includes power supply specifications for Extreme 8720 switches.

Table 1. Power Supply Specifications

750W AC PSU

XN-ACPWR-750W-F/R

750W DC PSU

XN-DCPWR-750W-F/R

Dimensions3.15 in W x 1.57 in H x 8.11 in D

(8.0 cm x 4.0 cm x 20 .6 cm)

3.15 in W x 1.57 in H x 8.11 in D

(8.0 cm x 4.0 cm x 20 .6 cm)

Weight1.79 lb (0 .81 kg)1.85 lb (0.85 kg)
Voltage Input Range100-140 VAC / 200 -240 VAC-48 to -60 VDC
Line Frequency Range50/60HzN/A
PSU Input SocketIEC 320 C14Terminal Block
PSU Output CordIEC 320 C13N/A
Operating Conditions0°-55° C operation0°-55° C operation

Power Consumption

Power Consumption includes power consumption information for Extreme 8720 switches.

Table 2. Power Consumption
Operating Mode Test ConditionsPower Consumption
Fan DutyTraffic LoadPort StatusPacket Length (Byte)Dual Power: PSU1Dual Power: PSU2Single Power: PSU1
Empty mode 85% N/ADownN/A152.6 W 145.5 W285.9 W
Standby mode 85% N/AUpN/A157.6 W 1151.5 W 297.2 W
Typical mode 85% 70% Up1,518 165 W 159.8 W 313.6 W
Stress mode 100% 100% Up256 207.8 W 204.5 W406.0 W

Power and Heat Dissipation

Power and Heat Dissipation includes power and heat dissipation information for Extreme 8720 switches.

Table 3. Power and Heat Dissipation

Switch Model

Minimum Heat Dissipation (BTU/hr) (Idle, no ports linked)

Minimum Power Consumption (Watts) (Idle, no ports linked)

Maximum Heat Dissipation (BTU/hr) (Fans high, all ports 100% traffic)

Maximum Power Consumption (Watts) (Fans high, all ports 100% traffic)

8720-32C-AC-F

8720-32C-AC-R

972 BTU/hr

285W

1340 BTU/hr

393W

8720-32C-DC-F

8720-32C-DC-R

975 BTU/hr

286W

1381 BTU/hr

405W