Power and Heat Dissipation
The following table includes power and heat dissipation information for the Extreme
7520 switches.
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% trafc)
Maximum Power
Consumption
(Watts) (Fans
high, all ports
100% trafc)
7520-48Y AC 553 BTU/hr 167W 1600 BTU/hr 469W
7520-48Y DC 553 BTU/hr 167W 1600 BTU/hr 469W
7520-48XT
AC
642 BTU/hr 194W 1225 BTU/hr 359W
7520-48XT
DC
642 BTU/hr 194W 1225 BTU/hr 359W
Mean Time Between Failures
The following table includes mean time between failures (MTBF) information for the
Extreme 7520 switches.
Switch Model
Mean Time Between Failures
7520-48Y-8C-AC-F 471,550 hrs @ 25°C
178,775 @ 50°C
7520-48Y-8C-AC-R 520,479 hrs @ 25°C
255,358 @ 45°C
7520-48XT-6C-AC-F 439,148 hrs @ 25°C
187,306 @ 50°C
7520-48XT-6C-AC-R 421,453 hrs @ 25°C
176,924 @ 45°C
CPU, Memory Specications
The following table includes CPU and memory specications for the Extreme 7520
switches.
Specications
2.2 GHz 8-core CPU
16 Gb DDR4 ECC memory
128 Gb SSD memory
32 MB buffer
Technical Specications Power and Heat Dissipation
Extreme 7520 Hardware Installation Guide 93