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C9300-24U-A
Cisco C9300-24U-A Catalyst 9300 24-Port Gigabit UPOE Switch,...
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C9300-24U-A is a managed Layer 3 enterprise access switch with 24 copper 10/100/1000 ports and Cisco UPOE for powered endpoints. The Catalyst 9300 chassis uses a modular uplink bay rather than fixed uplink ports; the base configuration leaves that bay empty, and compatible network modules provide 1G, 10G, 25G, 40G or Multigigabit connectivity. Network Advantage is the included perpetual network license, separating this configuration from Network Essentials variants without changing the copper access-port layout. The 1U rack-mount form factor places the hardware in campus wiring closets rather than on a desktop. Compared with C9300-24P-A, the UPOE configuration raises individual port power above the PoE+ ceiling for higher-draw endpoints such as building-management gateways, wireless access points and virtual desktop terminals.
C9300-24U-A price for new stock is $2,409.75, a 66.4% saving from the Cisco list price of $7,175.00. C9300-24U-A refurb price is $934.50. C9300-24U-A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9300-24U-A for additional pricing. Browse the full Cisco 9300 Catalyst Switches series or explore all Cisco products.
208 Gbps switching capacity sets the standalone bandwidth ceiling, increasing to 688 Gbps with stacking. 154.76 Mpps forwarding defines standalone packet handling, rising to 511.9 Mpps in a stacked configuration. 830W of shared PoE allocation with the default PWR-C1-1100WAC-P requires aggregate endpoint sizing rather than assuming every powered port can draw its individual maximum. OSPF, EIGRP, BGPv4 and IS-ISv4 provide advanced routing, with OSPFv3 and BGPv6 supporting IPv6 networks. C9300-24U-A carries 8 GB of DRAM and 16 GB of flash for system operation and local software storage. The Cisco UADP 2.0 ASIC supports configurable allocation of forwarding, ACL and QoS resources, while 16 MB of packet buffering holds queued traffic. A 32000-entry IPv4 capacity includes 24000 direct entries and 8000 indirect entries for connected and learned destinations. Cisco IOS XE supplies local CLI and WebUI management; this Catalyst 9000 family member does not provide hardware-based IPsec.
ORM Systems offers C9300-24U-A new sealed or certified refurbished; refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, firmware verified and configurations wiped to factory default. Specify condition, accessory quantities and software entitlement handling on the purchase order. ORM warranties are up to 3-year extended for new units and up to 1 year for certified refurbished units, with 30-day returns on both conditions; terms apply; Cisco Enhanced Limited Lifetime coverage remains original-owner-only and limited to 5 years after discontinuance announcement. POs are accepted, government orders receive Net-30, and volume procurement can coordinate UK, EU, US and MEA stock and RMA handling with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS XE. |
License Tier | Network Advantage. |
Port Configuration | 24 x 1G UPOE / modular uplink bay. |
PoE Budget | 830W with PWR-C1-1100WAC-P / 1440W with two PWR-C1-1100WAC-P. |
Stacking | StackWise-480 / eight members. |
Replaces | C1-WS3850-24U/K9, WS-C3850-24U-E, WS-C3850-24U-S, WS-C3850-24UW-S, WS-C3850-24XU-E, WS-C3850-24XU-EJ, WS-C3850-24XU-S, WS-C3850-24XU-SJ, WS-C3850-24XUW-S; EoS 2020-10-30. |
A university campus deploys the C9300-24U-A Catalyst 9300 24-Port UPOE switch with Network Advantage license to deliver 30 W per port across 200+ Wi-Fi 6 access points and enable Cisco SD-Access micro-segmentation. Benefit: Achieves consistent policy enforcement, reduces wireless outages by 50%, and simplifies network operations under a single pane of glass.
A corporate headquarters leverages the Catalyst 9300 24-Port UPOE (C9300-24U-A) with Network Advantage to power 24 high-definition PoE cameras and door controllers while applying advanced QoS and telemetry through Cisco DNA Center. Benefit: Delivers uninterrupted 24/7 video streams, accelerates fault isolation by 60%, and enforces end-to-end physical security compliance.
A multi-store retail chain installs the C9300-24U-A Catalyst 9300 24-Port UPOE switch with Network Advantage in each outlet to unify PoE-powered POS terminals, digital signage, and environmental sensors. Benefit: Reduces rack space by 40%, enables zero-touch provisioning for rapid store rollouts, and maintains 99.99% uptime to enhance customer experience.
When replacing discontinued WS-C3850-24U-E or WS-C3850-24U-S switches, C9300-24U-A is the replacement for both part numbers. Cisco service for those predecessors ended October 31, 2025. Confirm the required configuration, accessory inventory and software entitlement handling before issuing the replacement purchase order.
When adding UPOE-powered wireless access points or building-management gateways, size each endpoint against the 60W per-port ceiling. Capture simultaneous startup demand as well as normal operation, and record the requested allocations before deciding the PWR-C1-1100WAC-P quantity and power configuration on the purchase order.
When an access upgrade also moves gateway interfaces from distribution into the wiring closet, the 1000-SVI ceiling becomes a sizing checkpoint. Count existing gateways and planned segmented networks separately, then specify the required interface inventory, routing configuration and software entitlement handling before the purchase order.
Multigigabit speeds on copper access ports
C9300-24U-A limits fixed copper access ports to 1Gbps. C9300-24UX-A provides 24 Multigigabit access ports reaching 10Gbps while retaining UPOE and modular uplinks.
90W power per connected endpoint
C9300-24U-A has a 60W UPOE ceiling per port. C9300-24H-A provides 24 UPOE+ ports supporting 90W each, with aggregate allocation dependent on the selected supplies.
100G uplinks to distribution
C9300-24U-A supports uplinks reaching 40Gbps. C9300X-24HX-A accepts C9300X-NM-2C for 100G uplinks, while also changing the 24 access ports to Multigigabit and endpoint power to UPOE+.
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| C9300-24U-A |  C9300-48P-A |  C9300L-48T-4X-E |  C9300-24T-E |  C9300L-48T-4X-A | |
|---|---|---|---|---|---|
| Depth | 488 mm | 449 mm | 449 mm | 449 mm | 449 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | C9300-24U-A | C9300-48P-A | C9300L-48T-4X-E | C9300-24T-E | C9300L-48T-4X-A |
| Power Consumption | 1034.1W | 563.2W | 88.72W (115V AC, full-traffic test) | 92.5W | 88.72W (full-port traffic at 115V AC) |
| Switching Capacity | 208 Gbps | 256 Gbps | 176 Gbps | 208 Gbps | 176 Gbps |
| Weight | 7.54 kg. | 7.59 kg | 7 kg. | 7.27 kg | 7 kg |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 23 May 2021
Advanced features paired with reliable UPOE performance.
Reviewed on the 25 November 2020
Handles high-power endpoints without instability.
Reviewed on the 14 December 2018
Compact yet powerful access switch.
Reviewed on the 4 October 2021
Predictable throughput in daily operations.
Reviewed on the 30 March 2021
Good fit for enterprise branch deployments.
C9300-24U-A identifies a Catalyst 9300 switch: C9300 is the model family, 24 specifies 24 copper access ports, U identifies UPOE, and A identifies Network Advantage. The access ports operate at 1Gbps. Uplinks are modular, so the part number does not include an installed uplink-port count.
Catalyst 9300 switches support console CLI, SSH, WebUI, NETCONF, RESTCONF, gNMI and SNMPv1/v2c/v3; Cisco Catalyst Center and Meraki dashboard management use the applicable software path. IOS XE cloud management can retain device-sourced configuration or use cloud-sourced configuration. Native Meraki management uses Meraki Enterprise or Meraki Advanced subscriptions with a 1-year minimum term.
C9300-24U-A provides a shared 830W PoE budget with one PWR-C1-1100WAC-P and a 60W UPOE ceiling per powered port. Two PWR-C1-1100WAC-P supplies allow a 1440W allocation. Single-supply operation cannot allocate 60W to every access port simultaneously, so size combined endpoint demand and the behavior required after a supply failure.
C9300-24U-A accepts C9300-NM-4G for four 1G uplinks, C9300-NM-8X for eight 10G uplinks, C9300-NM-2Y for two 25G uplinks, C9300-NM-2Q for two 40G uplinks, or C9300-NM-4M for four Multigigabit uplinks. The uplink bay is empty in the base configuration; specify the required module and compatible transceivers.
Standard Catalyst 9300 modular-uplink models use StackWise-480 at 480Gbps and support eight stack members. STACK-T1-50CM, STACK-T1-1M and STACK-T1-3M are compatible data-stack cable options. Members must share the license level; compatible Catalyst 9300X models join at StackWise-480 speed, while fixed-uplink and higher-scale models cannot join this standard-model stack.
Yes, C9300-24U-A supports Layer 3 routing under Network Advantage, including full OSPF, EIGRP, BGPv4 and IS-ISv4. Total IPv4 capacity is 32000 entries, combining 24000 direct entries and 8000 indirect entries. Plan connected and learned destinations within those separate limits; the 1000-route OSPF restriction belongs to Network Essentials, not this -A configuration.
C9300-24U-A includes perpetual Network Advantage. Cisco DNA Essentials / Cisco DNA Advantage and Cisco Catalyst Essentials / Cisco Catalyst Advantage start at 3 years; -A orders use Advantage. Cisco Networking Subscription offers Cisco Switching Essentials / Cisco Switching Advantage with a 36-month minimum. Allocate new licenses to a Smart Account.
No, C9300-24U-A retains its perpetual Network Advantage license when a Cisco DNA subscription expires. Subscription-based automation, assurance and associated software support depend on the active term and are separate from the network license. Expiry of the Cisco DNA term does not convert this -A model to Network Essentials.
C9300-24U-A draws 1034.1W in the 115V, full-PoE test configuration using PWR-C1-1100WAC-P and C9300-NM-8X. That figure includes endpoint power and is not the chassis-only draw. The same configuration measures 108.1W with full-port traffic and no PoE load, so circuit sizing must reflect the intended endpoint load.
Cisco has not announced an end-of-sale date for Catalyst 9300. C9300-24U-A therefore has no announced hardware retirement milestone. Operating system release retirement dates are separate from hardware lifecycle dates and do not establish an end-of-sale date for this switch.
C9300-24U-A replaces discontinued C1-WS3850-24U/K9, WS-C3850-24U-E, WS-C3850-24U-S, WS-C3850-24UW-S, WS-C3850-24XU-E, WS-C3850-24XU-EJ, WS-C3850-24XU-S, WS-C3850-24XU-SJ and WS-C3850-24XUW-S. Those models reached end of sale October 30, 2020, and Cisco service ended October 31, 2025. Multigigabit predecessors do not make this replacement's fixed access ports Multigigabit.
C9300-24U-A provides 60W UPOE per port, whereas C9300-24P-A provides 30W PoE+ per port. Both retain 24 Gigabit access ports, modular uplinks and Network Advantage. Specify the UPOE model for endpoints requiring more than PoE+ power; choose the PoE+ model when every endpoint fits its per-port limit.
C9300-24U-A includes Network Advantage with full OSPF, EIGRP, BGP and IS-IS, while C9300-24U-E includes Network Essentials with OSPF limited to 1000 routes and EIGRP Stub. Choose the -A model for advanced routing requirements; the -E model suits routed access staying within its restricted protocol set.
C9300-24U-A has 24 Gigabit UPOE access ports, while C9300-48U-A has 48. Both use modular uplinks and carry Network Advantage. Choose the 24-port model when the endpoint inventory fits the smaller port allocation; choose the 48-port model when a single chassis needs the larger access-port count.
C9300-24U-A is offered new sealed or certified refurbished, with ORM coverage up to 3 years extended for new units and up to 1 year for refurbished units. Returns are 30 days for either condition; terms apply. Cisco Enhanced Limited Lifetime coverage is original-owner-only and limited to 5 years after discontinuance announcement.
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