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C9300-48UN-E
Cisco C9300-48UN-E Catalyst 9300 48-Port Multigigabit PoE++...
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C9300-48UN-E is a 48-port 5G copper access switch with Cisco UPOE, a managed Layer 3 design and Network Essentials. Every access connection also supports 100M, 1G and 2.5G endpoint speeds. An empty modular uplink bay separates the access-port configuration from the choice of upstream media; no fiber uplinks are built into the base chassis. The Cisco Catalyst 9300 Series serves campus and branch networks connecting wireless access points, IP phones and other powered endpoints in a 1U rack-mount format. Optional C9300-NM-4G, C9300-NM-8X, C9300-NM-2Y and C9300-NM-2Q cards provide fiber-interface choices, while C9300-NM-4M provides Multigigabit copper uplinks. The closest power-budget sibling, C9300-48U-E, provides a larger factory endpoint-power allocation with its default single-supply configuration.
C9300-48UN-E price for new stock is $2,514.75, a 83.6% saving from the Cisco list price of $15,338.00. C9300-48UN-E refurb price is $1,715.18. C9300-48UN-E is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for C9300-48UN-E for additional pricing. Browse the full Cisco 9300 Catalyst Switches series or explore all Cisco products.
640 Gbps switching capacity establishes the standalone bandwidth ceiling, while 476.19 Mpps specifies the forwarding rate measured with 64-byte IPv4 packets. 645W of shared PoE allocation applies to the factory single-supply configuration, so endpoint loading must be sized collectively. OSPF supports 1000 routes under Network Essentials, alongside Static routing, RIP, EIGRP Stub, PBR, VRRP and PIM Stub multicast. BGP and full EIGRP require Network Advantage rather than the included tier. C9300-48UN-E uses Cisco UADP 2.0 forwarding silicon with 8 GB DRAM and 16 GB flash for system operation and image storage. The Catalyst 9000 family member carries a 32 MB packet buffer for traffic queuing. Hardware IPv4 scale totals 32000 entries, including direct and learned routes; that capacity does not expand the license-gated OSPF allowance. StackWise-480 connects eight members across a 480 Gbps stack fabric, separate from uplink-module bandwidth.
Order C9300-48UN-E in new sealed or certified refurbished condition, and identify the required quantity and accessory configuration on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, clean boot, rated-speed links on every port and PoE output under load on every powered port; firmware is verified and configurations are wiped to factory default. ORM's warranty is up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition; terms apply. Enterprise and volume orders accept POs, with Net-30 for government and RMA with advance replacement across UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS XE |
License Tier | Network Essentials |
Port Configuration | 48 x 5G UPOE / modular uplink bay |
PoE Budget | 645W single / 1745W dual PWR-C1-1100WAC-P |
Stacking | StackWise-480 / 8 members / 480 Gbps |
Cooling | 3 FAN-T2= fans. |
In a multinational corporate campus supporting 2,000+ Wi-Fi 6 access points, the C9300-48UN-E Catalyst 9300 48-port of 5Gbps Network Essentials delivers 48 multi-gigabit PoE++ ports at up to 90 W each. Benefit: Simplifies wiring infrastructure, sustains line-rate 5 Gbps performance for high-bandwidth applications, and ensures reliable power delivery—driving up to 30% faster wireless throughput and reducing CAPEX on additional switches.
At a regional financial branch handling 200+ endpoints with PCI-DSS and GDPR requirements, the C9300-48UN-E provides line-rate 5 Gbps switching, AES-256 encryption, and Cisco Trustworthy Solutions. Benefit: Enables rapid site deployment with integrated segmentation, advanced threat defense, and automated compliance checks—minimizing security risk while cutting site rollout time by 40%.
In a smart manufacturing plant integrating 500+ IoT sensors, edge cameras, and building-automation devices, the C9300-48UN-E offers 48 5 Gbps-capable PoE++ ports and hardware-accelerated QoS for time-sensitive networking. Benefit: Guarantees deterministic data flows, precise power budgeting, and real-time analytics—boosting operational efficiency, enabling predictive maintenance, and delivering up to 20% energy-cost savings.
When a rollout adds high-draw access points or powered terminals, size simultaneous demand rather than counting powered sockets. A full set drawing 60W each would require 48 × 60W = 2880W. Record endpoint power allocations and the required supply combination before placing the purchase order.
When staging equipment through a laptop, a USB mini-Type B console connection takes precedence over RJ-45 console input. Windows requires the appropriate USB device driver; Linux and Mac OS X do not. Specify a five-pin USB console connection and verify workstation preparation before approving the staging equipment order.
When standardizing management across several locations, decide whether each device retains local configuration or receives configuration from the Meraki dashboard. Cloud-source mode exposes a read-only Cloud CLI; device-source mode permits read/write Cloud CLI access. Specify the configuration authority and matching subscription requirements before issuing the purchase order.
BGP or full EIGRP routing
C9300-48UN-E excludes BGP and full EIGRP under Network Essentials. C9300-48UN-A includes Network Advantage for those routing requirements while retaining the same access-port configuration.
90W power for individual endpoints
C9300-48UN-E supplies Cisco UPOE at 60W per port, not 90W UPOE+. C9300-48H-E provides UPOE+ but changes the downlinks to 48 Gigabit Ethernet ports.
Native 100G uplink connections
C9300-48UN-E accepts uplink modules rated through 40G, not 100G. Catalyst 9300X supports 100G uplinks using C9300X-NM-2C; that module is incompatible with this chassis.
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| C9300-48UN-E |  C9300-48P-A |  C9300L-24UXG-2Q-E |  C9300L-48PF-4G-A |  C9300-48UB-E | |
|---|---|---|---|---|---|
| Depth | 564 mm | 449 mm | 488 mm | 488 mm | 487.68 mm |
| Ethernet Technology | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | 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 | 43.942 mm |
| Manufacturer Part Number | C9300-48UN-E | C9300-48P-A | C9300L-24UXG-2Q-E | C9300L-48PF-4G-A | C9300-48UB-E |
| Power Consumption | 875.1W (100% PoE load / no traffic / C9300-NM-8X installed / 115V AC) | 563.2W | 949.66W | 1082.14W | 1043.4W (115V AC / C9300-NM-8X installed / full PoE load / no traffic) |
| Switching Capacity | 640 Gbps | 256 Gbps | 352 Gbps | 104 Gbps | 256 Gbps |
| Weight | 9.09 kg. | 7.59 kg | 7.26 kg | 7.03 kg | 7.72 kg |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 444.5 mm |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 90 days, for dependable protection on every order. The exact term is confirmed on your quote, order confirmation and invoice.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Same-day dispatch from regional hubs, free next-day delivery*, fully tracked and insured.
Reviewed on the 9 March 2018
Stable access platform.
Reviewed on the 24 November 2025
UPOE Essentials meets our requirements.
Reviewed on the 22 May 2017
Reliable performance under load.
Reviewed on the 21 May 2023
Simple deployment.
Reviewed on the 17 October 2022
Good value option.
C9300-48UN-E identifies a Catalyst 9300 switch with 48 copper 5G Multigigabit UPOE ports, modular uplinks and Network Essentials. C9300 is the series prefix, 48 is the port count, UN identifies the 5G UPOE configuration, and E selects Network Essentials; there is no fixed-uplink code.
C9300-48UN-E supports local CLI through console or SSH, embedded WebUI, Cisco Catalyst Center and Meraki dashboard management with the appropriate software arrangement. IOS XE also exposes NETCONF, RESTCONF and gNMI interfaces for automation. Select local, centralized or cloud configuration authority before ordering the associated subscription.
Cisco has not announced an end-of-sale date for Catalyst 9300. C9300-48UN-E therefore has no announced hardware sale or support deadline to attach to this order. Software-release retirement dates are separate from switch-hardware lifecycle; choose the intended software release independently when preparing deployment and support requirements.
ORM Systems offers C9300-48UN-E new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Returns are available for 30 days on every condition; terms apply. Cisco's separate Enhanced Limited Lifetime hardware warranty applies subject to Cisco warranty eligibility.
C9300-48UN-E offers Cisco DNA Essentials or Cisco DNA Advantage subscriptions and Cisco Catalyst Essentials or Cisco Catalyst Advantage subscriptions from three years; Meraki Enterprise or Meraki Advanced starts at one year in cloud-managed mode. Network Essentials remains perpetual; select compatible network-tier entitlements. New hardware orders require a Smart Account.
C9300-48UN-E can continue operating with perpetual Network Essentials after the add-on subscription expires. Renew the subscription to retain its term-based capabilities, or deactivate the add-on license and reload the switch for base-license operation. Refurbished hardware does not by itself establish software entitlement; specify the required licenses separately.
C9300-48UN-E provides a shared 645W PoE allocation with one PWR-C1-1100WAC-P, increasing to 1745W with two PWR-C1-1100WAC-P supplies. Cisco UPOE supports 60W per port, but the aggregate allowance is smaller than all powered ports simultaneously drawing their individual maximum. Size the supply configuration against simultaneous endpoint demand.
C9300-48UN-E supports modular uplinks through 40G; no uplink module ships by default. Choose C9300-NM-4G for four 1G ports, C9300-NM-4M for four Multigigabit ports, C9300-NM-8X for eight 1G/10G ports, C9300-NM-2Y for two 1G/10G/25G ports or C9300-NM-2Q for two 40G ports. Order matching optics separately.
StackWise-480 stacks eight Catalyst 9300 members at 480 Gbps, including C9300-48UN-E, when network license levels match. Use STACK-T1-50CM, STACK-T1-1M or STACK-T1-3M cables according to rack spacing. Catalyst 9300L, Catalyst 3850, Catalyst 3650 and higher-scale Catalyst 9300 models cannot share this stack; data-stack cabling is separate from power stacking.
C9300-48UN-E supports Layer 3 routed access with OSPF limited to 1000 routes, EIGRP Stub, RIP, Static routing, PBR, VRRP and PIM Stub multicast limited to 1000 routes. Network Essentials does not include BGP or full EIGRP. Hardware route-table capacity is separate from the OSPF entitlement limit.
C9300-48UN-E has a 645W single-supply PoE budget, while C9300-48U-E has 822W with PWR-C1-1100WAC-P. Compare simultaneous powered-device demand before choosing either configuration. The lower factory allocation requires closer power sizing; buyers prioritizing more single-supply endpoint power have a larger allocation on C9300-48U-E.
C9300-48UN-E includes Network Essentials, whereas C9300-48UN-A includes Network Advantage. Essentials covers routed access, including capped OSPF and EIGRP Stub; Advantage adds BGP and full EIGRP. Choose C9300-48UN-E for bounded access-routing requirements and C9300-48UN-A when the routing design requires those advanced capabilities rather than the included Essentials tier.
C9300-48UN-E carries 48 Multigigabit copper access ports, while C9300-24UX-E carries 24. Both use modular uplinks and Network Essentials, so size chassis quantities from the endpoint count rather than from an installed uplink card. The 48-port model serves denser endpoint groups; the 24-port model serves smaller groups.
No, C9300-48UN-E ships with one PWR-C1-1100WAC-P and an empty second power-supply bay. A second PWR-C1-1100WAC-P can be ordered initially or added later for a dual-supply configuration. Specify the number of installed supplies explicitly; two internal bays do not mean two supplies are included in the quoted unit.
Yes, C9300-48UN-E is a 1U rack-mount switch measuring 44 mm high and 445 mm wide. Allow 564 mm depth with the default supply installed, rather than only the bare-chassis footprint. Confirm usable cabinet depth, rear clearance and cable routing before specifying the rack location on the order.
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