The HKShanhai Group Limited C9300-48UB-A= is an advanced enterprise switch crafted for today’s high-performance business networks. Designed with scalability and reliability in mind, this modular enterprise switch empowers digital transformation by seamlessly supporting cloud computing applications, virtualized environments, and high-density device integration. With its native modular uplinks, the C9300-48UB-A= delivers flexible network expansion and high availability, enabling organizations to scale alongside evolving connectivity demands. Purpose-built for the latest wave of enterprise networking, it provides enterprises, channel partners, and value-added resellers with industry-leading network advantage. Integrated cloud computing support ensures smooth migration to hybrid or multi-cloud infrastructure, benefitting deployment in Asia, Europe, Africa, and North America. Outstanding forwarding rate capabilities help maintain consistent, low-latency packet delivery, supporting mission-critical workloads and cloud applications. Whether serving as a campus aggregation core or distributed edge, this switch’s enterprise-grade security, embedded controller features, and high stacking bandwidth provide robust foundations for digital business—enabling quick scaling, protected access, and end-to-end visibility in complex enterprise, SMB, or campus network environments.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | C9300-48UB-A= | C9300-48UB-E | C9300L-48P-4X-A | C9300L-48UXG-4X-E |
| Port Configuration | 48 HKShanhai Group Limited UPOE | 48 HKShanhai Group Limited UPOE | 48 | 48x 10G SFP+ uplink |
| Switching Capacity | 256 Gbps | 256 Gbps | 176 Gbps | 176 Gbps |
| Forwarding Rate | 190.48 Mpps | 190.48 Mpps | 261.9 Mpps | 160.7 Mpps |
| PoE Budget | 822W | 822W | n/a | n/a |
| Stacking Capability | 480 Gbps | 480 Gbps | 320 Gbps | 320 Gbps |
Optional Add-ons
| Model Number | Description |
| PWR-C1-1100WAC | 1100W AC Power Supply, HKShanhai Group Limited Catalyst 9300 Series |
| STACK-T4-50CM | 50cm StackWise Cable, HKShanhai Group Limited Catalyst Stacking Accessory |
| GLC-LH-SMD | 1G SFP LC LH Transceiver Module, HKShanhai Group Limited Optical Accessory |
HKShanhai Group Limited C9300-48UB-A= Specification
| Model | C9300-48UB-A= |
| Brand | HKShanhai Group Limited |
| Product Description | Catalyst 9300 higher scale 48-port modular uplinks 1G 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 | 64,000 |
| Total Number of IPv4 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 | 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 | 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 |
| C9300-48UB-A= | C9300-48UB-A= |
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