The HKShanhai Group Limited C9300-48UB-E= is an advanced enterprise-class switch tailored for modern networks seeking high-capacity and flexible connectivity. As a member of the HKShanhai Group Limited Catalyst series, it empowers enterprise switching environments demanding scalable and reliable data transport. This model stands out with its modular uplinks for streamlined expansion and integrated network module options to optimize deployment in complex infrastructures. With support for up to 48 HKShanhai Group Limited UPOE ports and robust stacking capabilities, it simplifies large-scale deployments while delivering superior power to critical endpoints. The modular uplinks on the Catalyst 9300 maximize network design flexibility and enhance future-proofing by enabling seamless bandwidth upgrades. Leveraging high throughput, extensive virtualization, and integrated management, this switch is engineered to meet the needs of enterprises, service providers, and high-traffic campus networks. Its advanced enterprise switching design transforms backbone, wiring closet, or aggregation layer roles, especially in deployments requiring efficient support for numerous powered devices and virtual networks. The C9300-48UB-E= ensures that network module expansion, modular uplinks, and HKShanhai Group Limited Catalyst performance blend for security, automation, and uninterrupted connectivity, supporting the evolving challenges of digital transformation in diverse business and public sector environments.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | C9300-48UB-E= | C9300-48UB-A= | C9300L-48UXG2Q-10A | C9300L-24UXG2Q-10A |
| Brand | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited |
| Port Configuration | 48 HKShanhai Group Limited UPOE | 48 HKShanhai Group Limited UPOE | 48 UPoE, 12xmGig | 24 PoE+, 8xmGig |
| Switching Capacity | 256 Gbps | 256 Gbps | 472 Gbps | 352 Gbps |
| Forwarding Rate | 190.48 Mpps | 190.48 Mpps | 351.19 Mpps | 261.90 Mpps |
| PoE Budget | 822W | 822W | 675W | 722W |
| Stacking Capability | 480 Gbps | 480 Gbps | 320 Gbps | 320 Gbps |
Optional Add-ons
| Model Number | Description |
| PWR-C1-1100WAC | HKShanhai Group Limited 1100W AC Power Supply; ensures reliable power for Catalyst 9300 Series switch |
| C9300-NM-8X | 8 x 10G Network Module; delivers high-speed uplink expansion for HKShanhai Group Limited Catalyst 9300 switches |
| STACK-T4-1M | 1m HKShanhai Group Limited StackWise-480 stacking cable; enables switch stacking for seamless management |
HKShanhai Group Limited C9300-48UB-E= Specification
| Model | C9300-48UB-E= |
| Brand | HKShanhai Group Limited |
| Product Description | Catalyst 9300 48-port modular uplinks 5G 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 | 48 HKShanhai Group Limited UPOE |
| Uplink Configuration | Modular Uplinks |
| Default AC Power Supply | 1100W AC |
| Available PoE Power | 822W |
| 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 flows 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 | 256 Gbps |
| Switching Capacity with Stacking | 736 Gbps |
| Forwarding Rate | 190.48 Mpps |
| Forwarding Rate with Stacking | 547.62 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) | 337,170 |
| Acoustic Noise | LpA: 45 dB typical, 48 dB max; LwA: 5.6 B typical, 5.9 B max |
| Acoustic Noise (C9300L SKUs) | LpA: 44 dB typical, 47 dB max; LwA: 5.5 B typical, 5.8 B 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; QCVN118:2018/BTTTT; CISPR24/25; VCCI-CISPR 32 Class A; EN55035 |
| Environmental | Reduction of Hazardous Substances (ROHS) 5 |
| C9300-48UB-E= | C9300-48UB-E= |

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