Cisco Catalyst 9300 Upgrade Guide
Maximize the performance and lifespan of your Catalyst 9300 (Catalyst-9300). Every upgrade option below is verified compatible.
1Upgrade Categories
68Options Available
Verified Specifications
| Processor Options | 208 Gbps-2 Tbps switching (9300X up to 2760 Gbps stacked); StackWise-1T/480/320 |
| Power Supply Options | 350W, 715W, 1100W AC; 1900W AC/HVDC |
| Networking Options | 24/48x GE or mGig 10G PoE+/UPOE+; 24x 25G SFP28; modular 10-100G uplinks |
| Specification Source | Cisco official documentation (verified 2026-07-02) |
Frequently Asked Questions
Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.

Cisco Catalyst 9300 Series C9300-24S-A
Cisco Catalyst 9300 24-PORT 1G SFP Switch Network Advantage
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Cisco Catalyst 9300 Series C9300-24S-E
Cisco Catalyst 9300 24-PORT 1G SFP Switch Network Essentials
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Cisco Catalyst 9300 Series C9300-24T-A
Cisco Catalyst 9300 24-PORT Data Switch Network Advantage
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Cisco Catalyst 9300 Series C9300-24T-E
Cisco Catalyst 9300 24-PORT Data Switch Network Essentials
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Cisco Catalyst 9300 Series C9300-24UX-A=
Cisco Catalyst 9300 24-PORT Mgig Upoe Network Advantage Switch
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Cisco Catalyst 9300 Series C9300-24UX-A
Cisco Catalyst 9300 24-PORT Multigigabit Upoe Network Advantage
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More Catalyst 9300 Resources
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