Extreme 8720 Technical Specifications

External Interfaces contains external interfaces and weights and dimensions information for Extreme 8720 switches.

Table 1. External Interfaces
8720 (32 x 100 GbE)
Ports
  • 32 x QSFP+/QSFP28 40GbE/100GbE ports
  • 128 x 25/10 GbE using break-out cables
  • 1 x Serial console port RJ-45
  • 2 x 10/100/1000BASE-T out-of-band management port
  • Micro-USB Type A storage port
Power Supplies
  • Modular 750W AC power supply (up to 2 PSUs)
  • Modular 750W DC power supply (up to 2 PSUs)
  • Front-Back and Back-Front airflow options
Fan Tray
  • 6 fan modules, support one fan redundancy
  • Front-Back and Back-Front airflow options
Dimensions17.3 in W/22.4 in D/1.7 in H (44 cm/57.0 cm/4.3cm)
Weight16.3 lb (7.4 kg) with no PSU / 19.9 lb (9.0 kg) with two PSUs
Performance
  • Line rate 6.4 Tbps Switching Capacity (3.2 Tbps ingress, 3.2 Tbps egress)
  • Forwarding Rate: 2000 Mpps
  • Typical Latency: 800 ns
CPU/Memory
  • 8 Core Processor
  • 16 GB DDR4 memory
  • 128 GB SSD memory
Packet Buffers32MB
Operating Conditions
Operating Temperature – Front-to-back:
  • 0°C (32°F) to 50°C (122°F) at sea level
  • 0°C (32°F) to 45°C (113°F) up to 1800 m (6000 ft)
  • 0°C (32°F) to 40°C (104°F) up to 1800 m (6000 ft), up to 3000 m (10000 ft)
Operating Temperature – Back-to-front:
  • 0°C (32°F) to 45°C (113°F) at sea level
  • 0°C (32°F) to 40°C (104°F) up to 1800 m (6000 ft)
  • 0°C (32°F) to 35°C (95°F) up to 1800 m (6000 ft), up to 3000 m (10000 ft)

Weights and Dimensions of Accessories

AccessoryWeightPhysical Dimensions

Fan unit, front-to-back or back-to-front

0.14 kg (0.31 lb) Height: 4.0 cm (1.57 in)

Width: 4.0 cm (1.57 in)

Length: 13.4 cm (5.28 in)

Four-post rack mount kit (included with switch)

2.63 kg (5.8 lb) Height: 2.1 cm (0.83 in)

Width: 4.4 cm (1.73 in)

Length: 63.0 cm - 90.0 cm (24.80 in - 35.43 in)

Two-post rack mount kit (separately orderable)

0.45 kg (0.99 lb) Height: 5.0 cm (1.97 in)

Width: 7.0 cm (2.76 in)

Length: 72.0 cm (28.4 in)

Console Cables

Description
XN-RJ45-DB9-CONSOLE-CBLRJ45 to DB9 Console cable (6ft)
XN-RJ45-USBA-CONSOLE-CBLRJ45 to USBA Console cable (6ft)*
XN-RJ45-USBC-CONSOLE-CBLRJ45 to USBC Console cable (6ft)*

* The cable might require an FTDI software driver on some operating systems.