Lifecycle record

SG550X-48-K9-AU EOL & EOSL Dates

Cisco SG550X-48 48-port Gigabit Stackable Switch

Lifecycle status

EoS - Sales Ended

SG550X-48-K9-AU is no longer sold by Cisco; end of sale was 2022-07-30. Support continues until 2027-07-31. Recommended replacement: CBS350-48T-4X-AU.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2022-01-29
End of Sale (EOS) 2022-07-30
End of Service Life (EOSL) 2027-07-31
Manufacturer Cisco
Category Switches
Product Series Cisco 550X
Part Number SG550X-48-K9-AU
Release Date 2017-01-31
Replacement Part Number CBS350-48T-4X-AU
Replacement Product Name Cisco CBS350 Managed 48-port GE, 4x10G SFP+

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • Release Date
    2017-01-31


  • End-of-Life Announcement (EOL)
    2022-01-29


  • End of Sale (EOS)
    2022-07-30


  • Last Ship Date
    2022-10-28


  • End of SW Maintenance
    2023-07-30


  • 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 2022-10-28
End Of SW Maintenance Releases Date: HW 2023-07-30
Official EOL Notice View Official EOL Documentation
End Of Phone Support: HW 2023-07-30

More Cisco 550X EOL Dates

Part Number Product Name EOL Announcement End of Sale
SG550X-24-K9-AU Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-BR Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-CN Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-EU Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-IN Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-JP Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-NA Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30
SG550X-24-K9-UK Cisco SG550X-24 24-port Gigabit Stackable Switch 2022-01-29 2022-07-30