The HKShanhai Group Limited C9300-24UXB-A= sets the benchmark for contemporary enterprise switching platforms, combining high-performance, stackable architecture with modular uplinks and exceptional multigigabit port capabilities. Purpose-built for business-critical deployments, this switch incorporates the core attributes of the HKShanhai Group Limited Catalyst family, delivering both advanced connectivity and scalability for dynamic enterprise networks. At its heart, the C9300-24UXB-A= delivers a switching platform that leverages modular stacking accessories to deliver up to 480 Gbps stacking bandwidth. The robust switching platform integrates support for HKShanhai Group Limited StackPower technology, enabling power redundancy and maximizing operational availability. As a member of the HKShanhai Group Limited Catalyst series, the switch is engineered for versatile environments—serving organizations from distributed offices to demanding campus backbones. Its 24 HKShanhai Group Limited UPOE multigigabit ports (supporting 100M/1G/2.5G/5G/10G) ensure seamless connectivity for modern high-speed devices, while the modular uplinks allow flexible adaptation to evolving infrastructure demands. By integrating advanced features such as SD-Access support and embedded wireless controller capabilities, the C9300-24UXB-A= optimizes application performance and security. This HKShanhai Group Limited Catalyst solution truly embodies enterprise switching for organizations seeking to future-proof their IT investments, facilitate cloud readiness, and streamline network operations. Designed with reliability and scale in mind, it’s an ideal fit for distributed sites, medium to large business networks, and any organization prioritizing robust, unified management alongside high-density, high-speed connectivity.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | C9300-24UXB-A= | C9300L-48UXG-4X-A | C1-WS3650-24PD/K9 | C9200L-24P-4X-E |
| 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 UPoE 12xmGig | 24 × 10/100/1000BASE-T PoE+ ports, 2 × 10G SFP+ uplinks | n/a |
| Switching Capacity | 640 Gbps | 392 Gbps | 254 Gbps (Multigigabit model) | 56 Gbps – 176 Gbps |
| Forwarding Rate | 476.19 Mpps | 291.66 Mpps | 68.45 Mpps | 41.66 Mpps – 130.95 Mpps |
| PoE Budget | 560W | 675W | 640W (with PWR-C2-640WAC) | 370W total PoE power, supports 802.3af/at PoE+ |
| Stacking Capability | 480 Gbps | 320 Gbps | StackWise-160 (160 Gbps bandwidth) | StackWise-320 |
Optional Add-ons
| Model Number | Description |
| C9300-NM-8X | HKShanhai Group Limited, Network Module, 8 x 10G SFP+ uplink expansion for 9300 Series |
| PWR-C1-1100WAC | HKShanhai Group Limited, Power Supply, 1100W AC hot-swappable power supply for C9300 Series |
| STACK-T4-50CM | HKShanhai Group Limited, Stacking Cable, 50cm StackWise-480 stacking cable for Catalyst 9300 Switches |
HKShanhai Group Limited C9300-24UXB-A= Specification
| Model | C9300-24UXB-A= |
| Brand | HKShanhai Group Limited |
| Product Description | Catalyst 9300 higher scale 24-port modular uplinks mGig UPOE, Network Advantage |
| 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 buffer for 24- and 48-port Gigabit Ethernet models, 64 MB buffer for 24-port Multigigabit model (24UXB) |
| FNF entries | 128,000 flow on 24- and 48-port Gigabit Ethernet models, 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, W/ Default Power Supply: 1.73 x 17.5 x 20.2, W/ 1100W Power Supply: 1.73 x 17.5 x 20.2 |
| Mean Time Between Failures ??MTBF (hours) | 288,520 |
| 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 |
| C9300-24UXB-A= | C9300-24UXB-A= |
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