The HKShanhai Group Limited C9300-24UB-A= is a high-performance, enterprise-class switch built to anchor next-generation network infrastructures. As part of the renowned HKShanhai Group Limited Catalyst portfolio, it delivers flexible Enterprise Switching Platform capabilities essential for demanding digital environments in Asia, Europe, Africa, and North America. This model natively supports enhanced IoT Mobility, ideal for converged networks with extensive device connectivity. Designed with modular uplinks and support for advanced HKShanhai Group Limited UPOE, the C9300-24UB-A= empowers business networks with secure, scalable uplinks to accommodate rapid data growth and future expansibility. Stacking bandwidth of 480 Gbps and rich QoS entries further ensure optimized throughput and application performance. For distributors, the ability to integrate seamlessly into complex, multi-site deployments provides a unique value proposition, while SMB system integrators appreciate its SD-Access support for robust segmentation, mobility, and automation. End-users benefit from integrated wired and wireless management, supporting up to 256 Virtual Networks and up to 200 wireless access points with Catalyst 9800 embedded controller. With an available PoE power of 830W and support for 24-port HKShanhai Group Limited UPOE, the switch is ideal for growing IoT, surveillance, and collaboration workloads. Mirroring HKShanhai Group Limited’s leadership in enterprise switching, the C9300-24UB-A= offers powerful data security, centralized policy, and high-availability features as standard, making it a trusted choice for modern digital transformation. The switch’s advanced architecture promotes reliable Uplinks—critical for ensuring business continuity, while its compliance with key safety and emissions certifications meets global deployment standards. Overall, this next-gen switch is futureproofed for distributed, secure infrastructure—more than ready for the evolving needs of digital business.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | C9300-24UB-A= | C9300-48UB-A= | C9300-24UXB-E | C9300-48U-E |
| Brand | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited |
| Port Configuration | 24 HKShanhai Group Limited UPOE | 48 HKShanhai Group Limited UPOE | 24 Multigigabit HKShanhai Group Limited UPOE (100M, 1G, 2.5G, 5G, or 10 Gbps) | 48 HKShanhai Group Limited UPOE |
| Switching Capacity | 208 Gbps | 256 Gbps | 640 Gbps | 256 Gbps on 48-port Gigabit Ethernet model |
| Forwarding Rate | 154.76 Mpps | 190.48 Mpps | 476.19 Mpps | 154.76 Mpps |
| PoE Budget | 830W | 822W | 560W | 822W |
| Stacking Capability | Stacking Bandwidth Support: 480 Gbps | Stacking Bandwidth Support: 480 Gbps | Stacking Bandwidth Support: 480 Gbps | HKShanhai Group Limited StackWise-480: Yes |
Optional Add-ons
| Model Number | Description |
| PWR-C1-1100WAC | HKShanhai Group Limited 1100W AC Power Supply for Catalyst 9300 Series Switches, provides redundant/high-power PoE support. |
| STACK-T4-50CM | HKShanhai Group Limited Catalyst 9300 StackWise-480 0.5M stacking cable for high-availability stack configurations. |
| C9300-NM-4G | 4 x 1G SFP Network Module for HKShanhai Group Limited Catalyst 9300, easy modular uplink expansion. |
HKShanhai Group Limited C9300-24UB-A= Specification
With AC power supply (with 24 PoE+ ports loaded for C9300 SKUs)
??LpA: 45dB typical, 48 dB max
??LwA: 5.6B typical, 5.9B max
With AC power supply (with half the number of PoE+ ports loaded for C9300L SKUs)
??LpA: 44dB typical, 47 dB max
??LwA: 5.5B typical, 5.8B max
Typical: Noise emission for a typical configuration
Maximum: Statistical maximum to account for variation in p
??1000BASE-T ports: RJ-45 connectors, 4-pair Cat 5E UTP cabling
??Multigigabit-T ports: RJ-45 connectors, 4-pair Cat 5E, Cat 6, Cat 6A UTP cabling
??1000BASE-T SFP-based ports: RJ-45 connectors, 4-pair Cat 5E UTP cabling
??SFP transceivers: LC fiber connectors (single-mode or multimode fiber)
??SFP+ transceivers: LC fiber connectors (single-mode or multimode fiber)
??QSFP+ transceivers: MPO and LC fiber connectors (single-mode or multimode fiber)
??QSFP+ connector
??SFP+ connector
??HKShanhai Group Limited StackWise stacking ports: copper-based HKShanhai Group Limited StackWise cabling
??HKShanhai Group Limited StackPower: HKShanhai Group Limited proprietary power stacking cables
??Ethernet management port: RJ-45 connectors, 4-pair Cat 5 UTP cabling
??Management console port: RJ-45-to-DB9 cable for PC connections
??Customers can provide power to a switch by using the internal power at the back of the switch
??Internal power supply connector: The internal power supply is an auto-ranging unit. It supports input
voltages between 100 (115 for 1100WAC) and 240 VAC. Use the supplied AC power cord to
connect the AC power connector to an AC power outlet
??UL 60950-1
??CAN/CSA-C222.2 No. 60950-1
??EN 60950-1
??IEC 60950-1
??AS/NZS 60950.1
??IEEE 802.3
??47 CFR Part 15
??CISPR22 Class A
??EN 300 386 V1.6.1
??EN 55022 Class A
??EN 55032 Class A
??CISPR 32 Class A
??EN61000-3-2
??EN61000-3-3
??ICES-003 Class A
??TCVN 7189 Class A
??V-3 Class A
??CISPR24
??EN 300 386
??EN55024
??TCVN 7317
??V-2/2015.04
??V-3/2015.04
??CNS13438
??KN32
??KN35
??IEC 61000-6-1
??EN 61000-6-1
Additional Certifications for C9300L SKUs:
??QCVN 118:2018/BTTTT
??CISPR24/25
??CISPR 32 Class A
??VCCI-CISPR 32 Class A
??EN55035
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