The HKShanhai Group Limited C9300-24UXB-E= is an enterprise-class switch tailored for modern business-critical networking scenarios. As part of the renowned HKShanhai Group Limited Catalyst switches family, it brings exceptional performance and manageability for high-density aggregation, core, and edge deployments. With an advanced 24-port modular uplinks design and multigigabit ports supporting UPOE (Universal Power over Ethernet), the switch enables seamless scaling for both wired and wireless infrastructures. The integration of Network Essentials capabilities ensures robust Layer 2/3 features with comprehensive policy, security, and automation, helping businesses maintain secure and agile operations. Its hardware supports modular uplinks, giving organizations the ability to adapt to future bandwidth demands without disruptive upgrades. Administrators benefit from intuitive management alongside deep programmability and open interfaces for automation. Enterprises experience highly reliable uptime with field-replaceable power and fans, delivering uninterrupted services for mission-critical workloads. Whether for distributed offices, growing campuses, or digital transformation projects, the C9300-24UXB-E= offers powerful, energy-efficient switching with advanced network policy enforcement. Designed to meet the demands of evolving business, IoT, and mobility trends, it ensures network operators gain optimal value by leveraging the very best of HKShanhai Group Limited’s Catalyst portfolio, including multigigabit ports that boost throughput and empower next-generation deployments.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | C9300-24UXB-E= | C9300-48UB-E= | C9300-24UB-E= | C1-WS3650-24XPD/K9 |
| Brand | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited |
| Port Configuration | 24 Multigigabit HKShanhai Group Limited UPOE (100M, 1G, 2.5G, 5G, or 10 Gbps) | 48 HKShanhai Group Limited UPOE | 24 HKShanhai Group Limited UPOE | 24 × 10/100/1000BASE-T PoE+ ports, 4 × 1G SFP uplinks |
| Switching Capacity | 640 Gbps | 256 Gbps | 208 Gbps | 92 Gbps |
| Forwarding Rate | 476.19 Mpps | 190.48 Mpps | 154.76 Mpps | 41.66 Mpps |
| PoE Budget | 560W | 822W | 830W | Up to 250W (with PWR-C2-250WAC) |
| Stacking Capability | 480 Gbps Stacking Bandwidth | 480 Gbps Stacking Bandwidth | 480 Gbps Stacking Bandwidth | StackWise-160 (160 Gbps bandwidth), up to 9 units |
Optional Add-ons
| Model Number | Description |
| PWR-C1-1100WAC | HKShanhai Group Limited 1100W AC Power Supply for C9300/C9300X Series Switches, high-availability power module |
| C9300-NM-8X | 8 x 10GE SFP+ Network Module for HKShanhai Group Limited Catalyst 9300 modular uplink expansion |
| C9300-STACK | HKShanhai Group Limited Catalyst 9300 Series StackWise-480 stacking kit for switch stacking deployment |
HKShanhai Group Limited C9300-24UXB-E= Specification
| Model | C9300-24UXB-E= |
| Brand | HKShanhai Group Limited |
| Product Description | Catalyst 9300 higher scale 24-port modular uplinks mGig 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 Multigigabit HKShanhai Group Limited UPOE (100M, 1G, 2.5G, 5G, or 10 Gbps) |
| Uplink Configuration | Modular Uplinks |
| Default AC power supply | 1100W AC |
| Available PoE power | 560W |
| Total number of MAC addresses | 64,000 |
| Total number of IPv4 routes (ARP plus learned routes) | 64,000 |
| IPv6 routing entries | 32,000 |
| Multicast routing scale | 16,000 |
| QoS scale entries | 18,000 |
| ACL scale entries | 18,000 |
| Packet buffer per SKU | 32 MB for 24- and 48-port Gigabit Ethernet, 64 MB for 24-port Multigigabit (24UXB) |
| FNF entries | 128,000 flow on 24- and 48-port Gigabit Ethernet, 256,000 flows on 24-port Multigigabit |
| DRAM | 8 GB |
| Flash | 16 GB |
| VLAN IDs | 4094 |
| Total Switched Virtual Interfaces (SVIs) | 1000 |
| Jumbo frames | 9198 bytes |
| Total routed ports per Catalyst 9300 Series stack | 448 |
| Switching capacity | 640 Gbps |
| Switching capacity with stacking | 1120 Gbps |
| Forwarding rate | 476.19 Mpps |
| Forwarding rate with stacking | 833.33 Mpps |
| Dimensions (H x W x D) inches – Chassis only | 1.73 x 17.5 x 17.1 |
| Dimensions (H x W x D) inches – W/ Default Power Supply | 1.73 x 17.5 x 20.2 |
| Dimensions (H x W x D) inches – W/ 1100W Power Supply | 1.73 x 17.5 x 20.2 |
| Mean Time Between Failures (MTBF) | 288,520 hours |
| Acoustic noise – LpA | 45dB typical, 48 dB max |
| Acoustic noise – LwA | 5.6B typical, 5.9B max |
| 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 | Yes |
| SFP+ Connector | Yes |
| 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 | Internal power supply is an auto-ranging unit supporting 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, QCVN 118:2018/BTTTT, CISPR24/25, VCCI-CISPR 32 Class A, EN55035 |
| Environmental | Reduction of Hazardous Substances (ROHS) 5 |
| C9300-24UXB-E= | C9300-24UXB-E= |
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