Lifecycle record

SISR4400UK9-165 EOL & EOSL Dates

Cisco 4000 Series Integrated Services Routers (ISR)

Lifecycle status

EoS - Sales Ended

SISR4400UK9-165 is no longer sold by Cisco; end of sale was 2022-07-29. Support continues until 2027-07-31.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2022-04-29
End of Sale (EOS) 2022-07-29
End of Service Life (EOSL) 2027-07-31
Manufacturer Cisco
Category Software
Product Series Cisco 4000 Series Integrated Services Routers (ISR)
Part Number SISR4400UK9-165
Release Date -
Replacement Part Number N/A

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2022-04-29


  • End of Sale (EOS)
    2022-07-29


  • Last Ship Date
    2022-07-29


  • End of SW Maintenance
    2023-01-27


  • End of Service Life (EOSL)
    2027-07-31

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2022-07-29
End Of SW Maintenance Releases Date: HW 2023-01-27
End Of Vulnerability/Security Support: HW 2023-01-27
Official EOL Notice View Official EOL Documentation

More Cisco 4000 Series Integrated Services Routers (ISR) EOL Dates

Part Number Product Name EOL Announcement End of Sale
SISR4300UK9-165 Cisco Select Cisco ISR4k Software - SISR4300UK9-165 2022-04-29 2022-07-29
UTD-SNT-316S Cisco Select Cisco ISR4k Software - UTD-SNT-316S 2022-04-29 2022-07-29