Specifications

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Switch Specifications
Model 8520-48Y 8520-48XT
Ports
• 48 1/10/25GbE SFP28 ports
• 8 40/100GbE QSFP28 ports
• 1x Serial console port RJ-45
• 1x 10/100/1000BASE-T out -of-band management port
• USB Type A storage port
• 48 1/10GbE 10GBaseT ports
• 6 40/100GbE QSFP28 ports
• 1x Serial console port RJ-45
• 1x 10/100/1000BASE-T out -of-band management port
• USB Type A storage port
Power Supplies
Modular 750W AC power supply (up to two PSUs)
• Modular 750W DC power supply (up to two PSUs)
• Front to Back and Back to Front airflow options
Modular 750W AC power supply (up to two PSUs)
• Modular 750W DC power supply (up to two PSUs)
• Front to Back and Back to Front airflow options
Fan Modules
• 6 fan modules
• Front -Back and Back-Front airflow options
• 6 fan modules
• Front -Back and Back-Front airflow options
Dimensions 17.3in W / 21.24in D / 1.7in H (44.0cm / 53.95cm / 4.3cm) 17.3in W / 20.9in D / 1.7in H (44.0cm / 53.2cm / 4.3cm
Performance
• Line rate 4Tbps Switching Capacity (2Tbps ingress, 2Tbps
egress)
• Average Latency: 800 ns
• Forwarding rate: 1000 Mpps
• Line rate 2.16 Tbps Switching Capacity (1.08Tbps
ingress, 1.08Tbps egress)
• Average Latency: 2,400 ns
• Forwarding rate: 1000 Mpps
CPU Memory
• 8-core Processor
• 16GB DDR4 ECC memory
• 128GB SSD memory
• 8-core Processor
• 16GB DDR4 ECC memory
• 128GB SSD memory
Packet Buers 32MB 32MB
Operating Conditions
AC/DC, one fan failed, front-to-back:
0°C (32°F) to 50°C (122°F) at sea level;
0°C (32°F) to 40°C (104°F) up to 3000 m (10,000 ft)
AC/DC, one fan failed, 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 3000 m (10,000 ft)
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% trac)
Maximum Power Consumption
(Watts) (Fans high,
all ports 100% trac)
8520-48Y AC 553 BTU/ hr 167W 1600 BTU/ hr 469W
8520-48Y DC 553 BTU/ hr 167W 1600 BTU/ hr 469W
8520-48XT AC 642 BTU/ hr 194W 1225 BTU/ hr 359W
8520-48XT DC 642 BTU/ hr 194W 1225 BTU/ hr 359W
Power Supply Specifications
750W AC PSU
XN-ACPWR-750W-F/ R
750W DC PSU
XN-DCPWR-750W-F/ R
Dimensions 3.15in W x 1.57in H x 8.11in D (8.0 cm x 4.0 cm x 20.6 cm) 3.15in W x 1.57in H x 8.11in D (8.0 cm x 4.0 cm x 20.6 cm)
Weight 1.79lb (0.81kg) 1.85lb (0.85 kg)
Voltage Input Range 100 -140 VAC / 20 0 -240 VAC -48 to -60 VDC
Line Frequency Range 50 – 60 HZ N/A
PSU Input Socket IEC 320 C14 Terminal Block
PSU Output Cord IEC 320 C13 N/A
Operating Conditions 0˚ – 55˚C operation 0˚ - 55˚C operation