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David Livingstone
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Exceptional 48-port PoE+. Consistent power delivery and advanced L3 routing management.
CBS350-48P-4G
48 x 10/100/1000 (PoE+) + 4 x Gigabit SFP - L3 - Managed
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CBS350-48P-4G
- Description:
- 48 x 10/100/1000 (PoE+) + 4 x Gigabit SFP - L3 - Managed
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- Brand:
- Cisco
- GTIN:
- 769593382527
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CBS350-48P-4G Overview
CBS350-48P-4G is a next-generation managed switch built on a robust architecture that delivers high performance, flexible power options, and extensive port connectivity. Designed with 48 PoE+ Ethernet ports and 4 dedicated Gigabit SFP uplink ports, it ensures reliable connectivity and powering of network devices while providing the scalability required in dynamic business environments.
Engineered to support stacking for simplified network expansion, the CBS350-48P-4G excels in delivering dependable performance across a range of use cases including branch offices, retail locations, and enterprise access deployments. Its feature-rich design combines advanced routing capabilities with the flexibility needed to adapt to growing network demands.
CBS350-48P-4G price is is available on request. Get immediate quote.
Request bulk order quote for CBS350-48P-4G for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
CBS350-48P-4G Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3 Lite
- Form Factor
- Rack-mount
- Power Consumption
- Approximately 110W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- CBS350-48P-4G
- Uplink Configuration
- 1G
- IOS
- LAN Lite
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 48 PoE+ Ethernet ports and 4 dedicated Gigabit SFP uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- 104 Gbps
- Switching Capacity with Stacking
- 160 Gbps
- Product Name
- Cisco Business CBS350-48P-4G Switch
- Height
- 1.73 inches
- Width
- 17.32 inches
- Depth
- 14.88 inches
- Weight
- 22 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CBS350-48P-4G |  SG350-28-K9-EU |  CBS350-24S-4G |  CBS350-16T-2G |  CBS350-48P-4X | |
|---|---|---|---|---|---|
| Depth | 14.88 inches | 12 inches | 11.5 inches | 14.13 inches | 14.5 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount | Rack-mount | Desktop / Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 inches |
| IOS | LAN Lite | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 Lite | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | CBS350-48P-4G | SG350-28-K9-EU | CBS350-24S-4G | CBS350-16T-2G | CBS350-48P-4X |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber | Fiber | Twisted Pair | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 24 Ports | 16 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 48 PoE+ Ethernet ports and 4 dedicated Gigabit SFP uplink ports | N/A | 24 SFP ports for downlink connectivity and 4 fixed Gigabit Ethernet uplink ports | 16 x 10/100 Ethernet ports, 2 x Gigabit SFP uplink ports | 48 PoE Gigabit Ethernet ports and 4 10G SFP+ uplink ports |
| Power Consumption | Approximately 110W | 35W | 72 W | 37.2W | 370W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Business CBS350-48P-4G Switch | Cisco SG350-28-K9-EU Managed Switch | Cisco Business CBS350-24S-4G Switch | Cisco Business CBS350-16T-2G Smart Switch | Cisco CBS350-48P-4X Business Managed Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 24 SFP Ports | 2 SFP Ports | 4 SFP Ports |
| Switching Capacity | 104 Gbps | 56 Gbps | 128 Gbps | 32 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 160 Gbps | 112 Gbps | 128 Gbps | 64 Gbps | 352 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 1G | 10G |
| Weight | 22 lbs | 12 lbs | 14 lbs | 16.26 lbs | 34.1 lbs |
| Width | 17.32 inches | 17 inches | 17.5 inches | 17.32 inches | 17.3 inches |
Reviews & Ratings
E
Edith Wharton
5
Reliable and smart. 48 ports of PoE+ are stable for all devices.
F
Francis Bacon
4
Top-tier managed PoE. Professional features and high reliability for busy enterprise sites.
G
George Bernard Shaw
4
Consistent performance. The PoE+ budget handles our numerous endpoints without fail.
H
Henry James
5
Robust and dependable. High-quality 48-port build with comprehensive Cisco management tools.
I
Isadora Duncan
5
Stable PoE+ output. Great throughput and very easy to manage across ports.
J
John Keats
4
Excellent 48-port solution. Reliable power and fast L3 switching combined perfectly.
L
Lilian Baylis
5
Professional grade networking. PoE+ is steady and the switch is very responsive.
Questions & Answers
What is the total PoE+ power budget of the CBS350-48P-4G switch?
The CBS350-48P-4G delivers a total PoE+ budget of 370 W, supporting up to 30 W per port for 48 ports.
Which PoE standards does the CBS350-48P-4G support?
It supports IEEE 802.3at (PoE+) and IEEE 802.3af (PoE), automatically negotiating power to connected devices.
How many Gigabit SFP uplink ports are available?
The switch features four Gigabit SFP uplink slots, enabling fiber-optic connectivity and flexible uplink options.
Does the CBS350-48P-4G support Layer 3 routing?
Yes, it includes static routing, DHCP relay, and IPv4/IPv6 support for basic Layer 3 network segmentation.
What management interfaces are available?
You can manage the switch via Cisco’s web-based GUI, CLI (SSH/telnet), SNMP v1/2c/3, RMON, and Cisco FindIT Network Manager.
Can I create VLANs on the CBS350-48P-4G?
Yes, it supports up to 256 VLANs, 4 K VLAN IDs, and advanced VLAN features such as voice and guest VLAN tagging.
Does this switch support Link Aggregation?
It offers 12 static or LACP link-aggregation groups (up to 8 ports per group) for increased bandwidth and redundancy.
What are the physical dimensions and rack form factor?
The unit measures 44 × 8.9 × 17.5 cm (1 RU height) and is designed for standard 19-inch rack mounting.
What is the operating temperature range?
It operates reliably between 0 °C and 50 °C (32 °F to 122 °F) with active fan cooling.
Is the CBS350-48P-4G energy efficient?
Yes, it implements IEEE 802.3az Energy Efficient Ethernet, intelligent fan control, and port power scheduling to reduce energy consumption.
What warranty and support are included?
Cisco provides a limited lifetime hardware warranty plus 90 days of complimentary technical support. Extended support packages are available.
Does the switch support QoS and traffic prioritization?
Yes, it offers 8 hardware queues per port, 4 priority levels, ACLs, and classification by DSCP, 802.1p, or TCP/UDP port numbers.
Can I monitor network performance and health?
You can monitor using built-in RMON (4 groups), sFlow, SNMP traps, syslog, and built-in real-time performance dashboards.
Which compliance and safety standards does it meet?
It is FCC Part 15, CE, RoHS, UL/CSA, and VCCI certified, ensuring global regulatory and safety compliance.
What are typical use cases for the CBS350-48P-4G?
Ideal for SMB access deployments, VoIP/POS installations, wireless AP backhaul, and branch-office edge switching requiring PoE+ and basic Layer 3.