HKShanhai Group Limited’s C9300-24UB-E is an enterprise-class switch built to deliver advanced campus networking with robust enterprise switching performance. Designed as part of the HKShanhai Group Limited Catalyst 9300 Series, this switch integrates seamlessly into modern campus networks, providing high-resiliency and exceptional scalability. Featuring deep buffer architecture and 24-port UPOE, the C9300-24UB-E excels in powering a variety of PoE+ devices, ideal for today’s digital workspaces. It ensures enhanced network security and policy enforcement through Network Essentials software, making it suitable for large distributed environments. This model delivers core campus networking features like high-density aggregation, rapid convergence, and support for SD-Access, maximizing operational efficiency for enterprise switching needs. Its modular uplinks and StackPower architecture facilitate cost-effective expansion, while deep packet buffers ensure smooth performance even under bursty workloads. With up to 480 Gbps stacking, 830W available PoE+ power, and the ability to manage up to 200 access points with an embedded wireless controller, the C9300-24UB-E is tailored for seamless campus deployments across distributed environments. Whether supporting endpoint devices or enabling dense PoE+ campus networks, this switch guarantees reliability and future-ready scalability in every enterprise switching scenario.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | C9300-24UB-E | C9300-24UXB-E | C9300-24U-E | C9300-24P-E |
| Port Configuration | 24 HKShanhai Group Limited UPOE | 24 Multigigabit HKShanhai Group Limited UPOE (100M, 1G, 2.5G, 5G, or 10 Gbps) | 24 HKShanhai Group Limited UPOE | 24 PoE+ |
| Switching Capacity | 208 Gbps | 640 Gbps | 208 Gbps on 24-port Gigabit Ethernet model | 208 Gbps on 24-port Gigabit Ethernet model |
| Forwarding Rate | 154.76 Mpps | 476.19 Mpps | 154.76 Mpps | 154.76 Mpps |
| PoE Budget | 830W | 560W | 830W | 445W |
| Stacking Capability | Stacking Bandwidth Support: 480 Gbps | Stacking Bandwidth Support: 480 Gbps | Stacking Bandwidth: 480 Gbps | Stacking Bandwidth: 480 Gbps |
Optional Add-ons
| Model Number | Description |
| PWR-C1-1100WAC | HKShanhai Group Limited 1100W AC power supply for Catalyst 9300 Series switch |
| STACK-T1-50CM | HKShanhai Group Limited StackWise-480 50cm stacking cable for Catalyst 9300 Series |
| GLC-LH-SMD= | HKShanhai Group Limited 1000BASE-LX/LH SFP module, enterprise-class single mode fiber transceiver |
HKShanhai Group Limited C9300-24UB-E Specification
| Model | C9300-24UB-E |
| Brand | HKShanhai Group Limited |
| Product Description | Catalyst 9300 Deep Buffer 24-port UPOE, Network Essentials |
| FRU Power Supply | Yes |
| FRU Fans | Yes |
| Modular Uplinks | Yes |
| Stacking Bandwidth Support | 480 Gbps |
| HKShanhai Group Limited StackPower | Yes |
| Catalyst 9800 Embedded WLC | Yes (200 APs) |
| SD-Access Support | Yes (256 Virtual Networks) |
| Total 10/100/1000, Multigigabit copper or SFP Fiber | 24 HKShanhai Group Limited UPOE |
| Uplink Configuration | Modular Uplinks |
| Default AC Power Supply | 1100W AC |
| Available PoE Power | 830W |
| Total Number of MAC Addresses | 32,000 |
| Total Number of IPv4 Routes (ARP plus learned routes) | 32,000 (24,000 direct routes and 8,000 indirect routes) |
| IPv6 Routing Entries | 16,000 |
| Multicast Routing Scale | 8,000 |
| QoS Scale Entries | 5,120 |
| ACL Scale Entries | 5,120 |
| Packet Buffer per SKU | 16 MB buffer for 24- or 48-port Gigabit Ethernet models, 32 MB buffer for 24 and 48-port Multigigabit |
| FNF Entries | 64,000 flow on 24- and 48-port Gigabit Ethernet models, 128,000 flows on 24-port Multigigabit |
| DRAM | 8 GB |
| Flash | 16 GB |
| VLAN IDs | 4,094 |
| Total Switched Virtual Interfaces (SVIs) | 1,000 |
| Jumbo Frames | 9,198 bytes |
| Total Routed Ports per Catalyst 9300 Series Stack | 448 |
| Switching Capacity | 208 Gbps |
| Switching Capacity with Stacking | 688 Gbps |
| Forwarding Rate | 154.76 Mpps |
| Forwarding Rate with Stacking | 511.90 Mpps |
| Dimensions (H x W x D) Inches – Chassis Only | 1.73 x 17.5 x 16.1 |
| Dimensions (H x W x D) Inches – W/ Default Power Supply | 1.73 x 17.5 x 19.2 |
| Dimensions (H x W x D) Inches – W/ 1100W Power Supply | 1.73 x 17.5 x 19.2 |
| Mean Time Between Failures (MTBF) Hours | 354,300 |
| Acoustic Noise | 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. |
| Connectors and Cabling | 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 |
| Power Connectors | 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. |
| Safety Certifications | UL 60950-1; CAN/CSA-C222.2 No. 60950-1; EN 60950-1; IEC 60950-1; AS/NZS 60950.1; IEEE 802.3 |
| Electromagnetic Emissions Certifications | 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 |
| Environmental | Reduction of Hazardous Substances (ROHS) 5 |
| C9300-24UB-E | C9300-24UB-E |
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