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Cisco ISR 4300 MEM-4320-4GU8G EOL Dates

4G to 8G DRAM Upgrade (Fixed 4G + additional 4G) for ISR4320 EOL & EOSL Dates

Networking Accessories
Part Number: MEM-4320-4GU8G Model Number: MEM-4320-4GU8G
EoS – Sales Ended

EOSL Date: 2028-11-30

MEM-4320-4GU8G Lifecycle Timeline


  • End-of-Life Announcement (EOL)
    2022-11-07


  • End of Sale (EOS)
    2023-11-07


  • End of Service Life (EOSL)
    2028-11-30

No replacement information has been recorded for this model yet. Please contact your Cisco partner or reseller for a tailored migration plan.

Official Cisco EOL notice

You can view the official Cisco EOL / EOSL bulletin for this product at the link below.

View Official EOL Documentation

MEM-4320-4GU8G EOL Data – Full Overview

End-of-Life Announcement (EOL)
2022-11-07
End of Sale (EOS)
2023-11-07
End of Service Life (EOSL)
2028-11-30

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Lifecycle summary · Cisco MEM-4320-4GU8G

Cisco MEM-4320-4GU8G End-of-Life (EOL) & End-of-Sale (EOS) Overview

This page provides the official End-of-Sale (EOS), End-of-Life (EOL) and End of Service Life (EOSL) milestones for Cisco MEM-4320-4GU8G. Use these lifecycle dates to plan hardware replacement, upgrade projects, and migration to newer Cisco platforms before the product is fully discontinued.

By understanding the Cisco MEM-4320-4GU8G EOL / EOSL timeline and support policy, IT managers, resellers and network integrators can renew maintenance contracts on time, reduce unplanned downtime, and choose compatible replacement models that fit their long-term network roadmap.

  • Plan EOS / EOL hardware refresh
  • Align support contracts with EOSL dates
  • Evaluate Cisco replacement & upgrade options