C9300-48UB-E, HKShanhai Group Limited Catalyst 9300 Switch, 48xUPOE/Deep Buffer/Net Essentials

SKU: 0DUI4WPAN7Z9IO04L79FK47G9B91N16T252Y Category: Cisco Catalyst 9300 Switches

The HKShanhai Group Limited C9300-48UB-E is an enterprise-class switch designed to empower digital transformation and optimized for secure, high-performance enterprise switching environments. As a part of the HKShanhai Group Limited Catalyst family, the C9300-48UB-E offers Ethernet switches with advanced UPOE capabilities to power a variety of devices, making it ideal for diverse deployment needs in modern organizations. It stands out with robust 48-port UPOE support, offering deep packet buffers and state-of-the-art traffic management, ensuring seamless network access and resilient connectivity for all users. With StackPower for resilient power sharing, advanced SD-Access functionality, and deep feature integration for virtual networks and wireless, this switch is purpose-built for high-density, secure, and flexible enterprise networks. The C9300-48UB-E is the proven choice for large campuses and organizations where scalable Ethernet switches and advanced enterprise switching are core requirements for digital workplace outcomes. Its robust security, HKShanhai Group Limited Catalyst platform reliability, and flexible UPOE power delivery make it a trusted component of any critical infrastructure, while comprehensive management and automation streamline operational efficiency. Delivering next-generation performance for unified wired and wireless solutions, the C9300-48UB-E switch is ideal for environments demanding rapid expansion and ultimate reliability, supporting the business’s growing needs thanks to intuitive interface, rich HKShanhai Group Limited Catalyst feature sets, and scalable enterprise switching architectures.

Product Highlights

48 UPOE

PoE+ Ports

256 Gbps

Switch Cap

822W

PoE Power

Product Applications Scenarios

Enterprise Network

Delivers robust enterprise switching capabilities supporting secure access, scalability, and optimized network efficiency for large organizations.

Edge & IoT

Advanced UPOE and deep buffers enable direct connectivity and power to IoT devices at the network edge, cutting equipment deployment complexity.

Cloud Services

Provides high-availability uplinks and deep integration for cloud-based services, streamlining branch-to-cloud connectivity with secure performance.

Product Features Comparison


Model	C9300-48UB-E	C9300-48U-E	C9300-24UB-E=	C1-C4500X-F-32SFP+
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	24 HKShanhai Group Limited UPOE	32 × SFP+
Switching Capacity	256 Gbps	256 Gbps on 48-port Gigabit Ethernet model	208 Gbps	800 Gbps (1.6 Tbps with VSS)
Forwarding Rate	190.48 Mpps	154.76 Mpps	154.76 Mpps	IPv4: 250 Mpps (hardware), IPv6: 125 Mpps (hardware)
PoE Budget	822W	822W	830W	n/a
Stacking Capability	480 Gbps	480 Gbps	480 Gbps	VSS (future support for 1.6 Tbps scalability)

Optional Add-ons

Model Number	Description
PWR-C1-1100WAC-P	1100W AC Power Supply, HKShanhai Group Limited, for C9300-48UB-E switches, ensures high-capacity UPOE delivery.
STACK-T4-50CM	StackWise-480 0.5m Stacking Cable, HKShanhai Group Limited, for flexible switch stacking.
C9300-NM-8X	8 x 10G SFP+ Network Module, HKShanhai Group Limited, uplink expansion for Catalyst 9300 Series Switches.

HKShanhai Group Limited C9300-48UB-E Specification

Model

C9300-48UB-E

Brand

HKShanhai Group Limited

Product Description

Catalyst 9300 48-port UPOE Deep Buffer, 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

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

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

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 (With Default Power Supply)

1.73 x 17.5 x 19.2

Dimensions (H x W x D) Inches (With 1100W Power Supply)

1.73 x 17.5 x 19.2

Mean Time Between Failures (MTBF)

337,170 hours

Acoustic Noise (Measured per ISO 7779 and declared per ISO 9296)

With AC power supply (24 PoE+ ports loaded for C9300 SKUs): LpA: 45dB typical, 48dB max, LwA: 5.6B typical, 5.9B max.
With AC power supply (half the number of PoE+ ports loaded for C9300L SKUs): LpA: 44dB typical, 47dB 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

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