Cisco NCS 520 Lifecycle Models

Browse 23 Cisco NCS 520 model lifecycle records. Open a part number to compare recorded EOL / EOS / EOSL dates, source details, replacement notes, and sourcing options.

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Series summary

Cisco NCS 520 model coverage

Brand: Cisco Category: Routers Series: Cisco NCS 520

Total models

Dated models

EOSL range

2030-10-31

Sourcing links

Model lifecycle table

Showing 21-23 of 23 models.

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Priority models

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N520-X-20G4Z-D

Cisco NCS 520 N520-X-20G4Z-D

EOSL

EOL: 2024-10-28
EOS: 2025-10-28
EOSL: 2030-10-31

N520-X-4G4Z-A

Cisco NCS 520 N520-X-4G4Z-A

EOSL

EOL: 2024-10-28
EOS: 2025-10-28
EOSL: 2030-10-31

N520-X-4G4Z-D

Cisco NCS 520 N520-X-4G4Z-D

EOSL

EOL: 2024-10-28
EOS: 2025-10-28
EOSL: 2030-10-31

Part Number	Product Name	EOL	EOS	EOSL
N520-X-20G4Z-D	Cisco NCS 520 N520-X-20G4Z-D	2024-10-28	2025-10-28	2030-10-31
N520-X-4G4Z-A	Cisco NCS 520 N520-X-4G4Z-A	2024-10-28	2025-10-28	2030-10-31
N520-X-4G4Z-D	Cisco NCS 520 N520-X-4G4Z-D	2024-10-28	2025-10-28	2030-10-31

Sourcing path

Availability and replacement options

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Product and replacement links

Linked SKU and product paths

No exact SKU or replacement page is available yet. Use the category path to review current products.