7720 Series Technical Specifications

External Interfaces

Ports
  • 32 x QSFP+QSFP28 40Gb/100Gb ports
  • 124 x 10G/25G ports using break-out cables
  • 1 x Serial console port RJ-45
  • 2 x 10/100/1000BASE-T out-of-band management port (only the first port is used for out-of-band management)
  • USB Type A storage port
Power Supplies
  • Modular 800W AC power supply (up to 2 PSUs)
  • Modular 800W 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
Dimensions
  • 17.3in W/22.44in D/1.7in H (44.0cm/57.0cm/4.3cm)
Weight
  • 16.3 lb (7.4 kg) 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
  • 16GB DDR4 ECC memory
  • 128GB SSD memory
Packet Buffers
  • 32MB
Operating Conditions Environmental Operating Temperature
Front-to-back:
  • 0°C (32°F) to 50°C (124°F) at sea level
  • 0°C (32°F) to 45°C (113°F) up to 1800 m (6000ft)
  • 0°C (32°F) to 40°C (104°F), up to 3000m (10000 ft)
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 (6000ft)
  • 0°C (32°F) to 35°C (95°F) up to 3000m (10000 ft)

Weights and Dimensions of Accessories

Model Weight Dimensions

XN-FAN-001-F: Fan unit, front-to-back or XN-FAN-001-R: Fan Unit 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)

XN-4P-RKMT298 - 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)

XN-2P-RKMT299 - Two-post rack mount kit (ordered separately)

2.8 kg (6.17 lb)

Height: 4.44 cm (1.75 in)

Width: 2.0 cm (0.79 in)

Length: 67.93 cm - 93.24 cm (26.76 in - 36.73 in)