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The Cisco CBS350-24NGP-4X 24-Port Multi-Gig PoE+ Managed Network Switch with 10G SFP+ & Combo Ports (NA) is designed to power high-bandwidth devices on contemporary business networks while removing access-layer bottlenecks. For flexible fiber or copper aggregation, it combines 16 Gigabit PoE+ ports, eight 100M/1G/2.5G/5G multi-gigabit PoE ports and four 10GbE uplink interfaces, including two 10G copper/SFP+ combo connections and two dedicated SFP+ ports. The Cisco Business CBS350-24NGP-4X can handle demanding Wi-Fi 6/6E access points, high-power PTZ cameras, multigig endpoints, IP phones, digital signage and IoT devices due to its 375W PoE budget and eight ports that can supply up to 60W. It is a great managed network switch for companies creating a scalable, fast wired infrastructure because of its Layer 3 management, stacking, security controls, QoS and 10G connectivity.
• 16 × 10/100/1000 Mbps Gigabit Ethernet PoE+ ports support wired devices that require up to 30W of IEEE 802.3at power.
• 8 × 100M/1G/2.5G/5G multi-gigabit Ethernet PoE ports provide faster-than-Gigabit connectivity for Wi‑Fi 6, Wi‑Fi 6E, high-performance workstations and other bandwidth-intensive endpoints.
• Eight multi-gig ports support up to 60W PoE per port for compatible high-power devices.
• 375W total PoE power budget supports dense deployments of access points, security cameras, VoIP phones and connected building systems.
• 4 × 10GbE uplink interfaces include 2 × 10G copper/SFP+ combo ports and 2 × dedicated 10G SFP+ ports for flexible aggregation design.
• 192 Gbps switching capacity and 142.85 Mpps forwarding performance help sustain responsive throughput across multi-gig and 10G links.
• Managed Layer 2 and Layer 3 capabilities support VLAN segmentation, static routing, dynamic routing protocols, IPv4/IPv6 operation and inter-VLAN routing.
• Hardware stacking supports up to eight compatible Cisco Business 350 Series switches and up to 200 ports managed as one logical system.
• IEEE 802.1X, ACLs, RADIUS, DHCP snooping, Dynamic ARP Inspection, IP Source Guard and DoS protection strengthen wired network access security.
• Advanced Quality of Service uses eight hardware queues per port and traffic classification to prioritize voice, video, cloud and collaboration traffic.
• Dual firmware images help support resilient software upgrades and rollback options.
• Rack-mountable chassis supports reliable installation in business network closets and equipment racks.
🗹 Supports high-speed Wi‑Fi 6 and Wi‑Fi 6E access points with 2.5G or 5G Ethernet connectivity, helping organizations avoid bottlenecks that can occur on standard 1GbE switch ports.
🗹 Delivers both PoE+ and up to 60W PoE capability, allowing one switch to support standard IP phones and cameras alongside power-hungry access points, PTZ cameras and advanced IoT equipment.
🗹 Provides flexible 10G aggregation through fiber SFP+ and copper/SFP+ combo ports, allowing IT teams to use the media type that best fits their existing cabling and uplink design.
🗹 Reduces network complexity by consolidating Gigabit, multi-gigabit, high-power PoE and 10GbE uplink needs into one managed access switch.
🗹 Improves application responsiveness for voice, video conferencing, cloud services, large file transfers and wireless-client traffic through high switching capacity and configurable QoS.
🗹 Enables scalable growth through Cisco Business 350 Series stacking, which lets up to eight switches operate and be managed as one logical switching system.
🗹 Secures users, voice systems, guest devices, cameras, access points and IoT infrastructure through VLAN segmentation, authentication, ACLs and traffic-protection controls.
🗹 Helps reduce upgrade risk with dual firmware images, which provide a fallback image during software maintenance.
| Manufacturer | Cisco |
| Manufacturer Part Number | CBS350-24NGP-4X-NA-RF |
| Product Name | Cisco CBS350-24NGP-4X 24-Port Multi-Gig PoE+ Managed Network Switch with 10G SFP+ & Combo Ports (NA) |
| Product Type | Networking Switch |
| Form factor | Fixed configuration, 1RU rack-mountable |
| Total system interfaces | 28 physical interfaces |
| Gigabit Ethernet PoE+ downlink ports | 16 × 10/100/1000BASE-T RJ45 with IEEE 802.3af PoE / IEEE 802.3at PoE+ |
| Multi-gigabit PoE downlink ports | 8 × 100M/1G/2.5G/5GBASE-T RJ45 with IEEE 802.3af PoE, IEEE 802.3at PoE+, and 60W PoE support |
| 10GbE dedicated fiber uplinks | 2 × 10GbE SFP+ |
| 10GbE combo uplinks | 2 × 10GbE RJ45/SFP+ combo ports |
| Combo-port operation | Each combo interface uses either its RJ45 copper interface or corresponding SFP+ interface, not both simultaneously |
| Total 10GbE uplink capability | 4 × 10GbE interfaces, subject to combo-port media selection |
| PoE-capable downlink ports | 24 |
| Higher-power PoE ports | 8 multi-gig RJ45 ports support up to 60W each |
| Standard PoE+ per-port output | Up to 30W on IEEE 802.3at PoE+ ports |
| Total PoE power budget | 375W |
| Switching capacity | 192 Gbps |
| Forwarding rate | 142.85 Mpps for 64-byte packets |
| Switching architecture | Wire-speed, nonblocking |
| Packet buffer | 3 MB |
| MAC address table | Up to 16,000 entries |
| Jumbo frame support | Up to 9,000 bytes |
| CPU | ARM dual-core processor at 1.4 GHz |
| DRAM | 512 MB |
| Flash memory | 256 MB |
| Link aggregation | IEEE 802.3ad LACP; static and dynamic LAG support |
| Link aggregation groups | Up to 8 LAGs |
| Active ports per LAG | Up to 8 |
| Spanning Tree Protocol | IEEE 802.1D STP, IEEE 802.1w RSTP, IEEE 802.1s MSTP, PVST+, and Rapid PVST+ |
| MSTP instances | Up to 8 |
| PVST+ / Rapid PVST+ instances | Up to 126 |
| Loop protection | Loopback detection independent of STP |
| Flow control | IEEE 802.3x |
| Energy Efficient Ethernet | IEEE 802.3az |
| VLAN identifiers | Up to 4,094 VLAN IDs |
| Active VLANs | Up to 255 |
| VLAN support | IEEE 802.1Q tagged VLANs and port-based VLANs |
| VLAN functions | Management VLAN, Guest VLAN, Voice VLAN, Private VLAN Edge, GVRP, and GARP |
| Voice VLAN | Supported with automatic voice traffic classification and QoS treatment |
| Discovery protocols | Cisco Discovery Protocol, LLDP, LLDP-MED, and Voice Services Discovery Protocol |
| Multicast support | IGMP snooping v1/v2/v3, IGMP querier, IGMP fast leave, source-specific multicast, MLD snooping v1/v2, and MLD querier |
| Multicast group capacity | Up to 1,024 groups |
| IPv4 routing | Wire-speed IPv4 routing; static routing, RIP v2, OSPFv2, and policy-based routing |
| IPv6 routing | Wire-speed IPv6 routing; static routing, RIPng, OSPFv3, and policy-based routing |
| Static IPv4 routes | Up to 990 |
| Static IPv6 routes | Up to 256 |
| IP interfaces | Up to 128 |
| Layer 3 interfaces | Physical port, LAG, VLAN interface, and loopback interface |
| DHCP services | DHCP relay, UDP relay, and DHCP server capability |
| First-hop redundancy | VRRP supported |
| Access control lists | Layer 2 through Layer 4 ACLs |
| ACL capacity | Up to 1,024 ACL rules |
| Port authentication | IEEE 802.1X |
| Authentication services | RADIUS authentication/accounting, TACACS+, MAC-based authentication, web-based authentication, and guest VLAN |
| Security features | Port security, DHCP snooping, IP Source Guard, Dynamic ARP Inspection, IPv6 Source Guard, IPv6 DHCP Guard, IPv6 Router Advertisement Guard, DoS protection, and storm control |
| QoS queues | 8 hardware priority queues per port |
| QoS scheduling | Strict Priority and Weighted Round Robin |
| QoS classification | Port, 802.1p CoS, DSCP, IP precedence, TCP/UDP port, VLAN, ACL, and MAC address |
| QoS actions | Rate limiting, policing, shaping, queue assignment, and remarking |
| Stacking | Hardware stacking of up to 8 compatible Cisco Business 350 Series switches; up to 200 ports in a stack |
| Stack resiliency | Hardware failover support |
| Firmware resiliency | Dual firmware images support upgrade rollback and operational continuity |
| Operating system | Customized Linux OS |
| Embedded management | Web-based GUI and configuration wizards |
| CLI access | RJ45 console, USB Type-B console, Telnet, and SSH |
| Centralized management | Cisco Business Dashboard |
| Mobile management | Cisco Business mobile app |
| Zero-touch provisioning | Cisco Network Plug and Play |
| SNMP | SNMPv1, SNMPv2c, and SNMPv3 |
| Monitoring | RMON, port mirroring, sFlow, cable diagnostics, event logging, and system logging |
| Secure management | HTTPS, SSH, SSL/TLS, SCP, RADIUS, TACACS+, and SNMPv3 |
| File and configuration transfer | TFTP, HTTP, HTTPS, SCP, configuration backup, and restore |
| Time synchronization | NTP and SNTP |
| IPv6 management | Supported |
| Bluetooth | Optional external Bluetooth dongle supported through USB Type-A port |
| Management ports | RJ45 console, USB Type-B console, and USB Type-A |
| LEDs | System, Link/Activity, Speed, and PoE |
| Ethernet standards | IEEE 802.3, 802.3u, 802.3ab, 802.3bz, 802.3an, 802.3ae, 802.3x, 802.3ad, 802.3az, 802.3af, 802.3at, 802.3bt, 802.1D, 802.1Q, 802.1p, 802.1w, 802.1s, 802.1X, and 802.1ab |
| Copper cabling | Category 5e or higher; multi-gig 2.5G/5G operation is supported over suitable Category 5e cabling, subject to cable quality and distance |
| Supported uplink media | Compatible 10GbE SFP+ optical transceivers, supported direct-attach copper cables, and 10GBASE-T copper on combo RJ45 ports |
| Power supply | Internal universal AC power supply |
| AC input voltage | 100–240 VAC |
| Input frequency | 50–60 Hz |
| Maximum system power consumption | 466.9W with 110 VAC |
| Maximum system power consumption | 453.8W with 220 VAC |
| Maximum heat dissipation | 1,593.24 BTU/hr |
| Cooling | Active cooling with internal fans |
| Acoustic noise | 48.5 dB |
| Dimensions, W × D × H | 445 × 350 × 44 mm (17.5 × 13.78 × 1.73 in.) |
| Weight | 5.43 kg (11.97 lb.) |
| Operating temperature | -5°C to 50°C (23°F to 122°F) |
| Operating humidity | 10% to 90%, noncondensing |
| Storage temperature | -25°C to 70°C (-13°F to 158°F) |
| Storage humidity | 10% to 90%, noncondensing |
| Mounting | Rack-mount hardware included; desktop placement supported with included rubber feet |
| Software licensing | Perpetual license; no subscription required for core switch operation |
The switch provides 16 standard 10/100/1000 Mbps Gigabit Ethernet PoE+ ports and eight Multi-Gigabit PoE ports that support 100 Mbps, 1G, 2.5G and 5G speeds. This mixed configuration allows organizations to support standard Gigabit devices and higher-bandwidth multigigabit equipment on the same switch.
It includes eight Multi-Gigabit Ethernet ports, each capable of operating at 100 Mbps, 1 Gbps, 2.5 Gbps, or 5 Gbps depending on the connected device and cabling.
Yes. Cisco specifies PoE capability across all 24 access ports, allowing compatible devices to receive electrical power through Ethernet.
The CBS350-24NGP-4X provides a 375W PoE power budget, which is shared among connected powered devices according to their requirements.
The eight Multi-Gigabit ports support up to 60W PoE for compatible powered devices, while the switch's total PoE allocation remains subject to its 375W budget.
Modern high-performance wireless access points can generate more than 1 Gbps of aggregate network traffic. A 2.5G or 5G wired connection can prevent the Ethernet uplink from becoming a bottleneck when both the access point and surrounding infrastructure support Multi-Gigabit Ethernet.
The switch provides four 10G interfaces: two 10G copper/SFP+ combo ports and two dedicated SFP+ interfaces.
A combo port provides a choice between its associated 10G copper interface and SFP+ interface. The paired interfaces share the same logical port, so both sides of a combo pair are not used independently at the same time.
Yes. Its SFP+ interfaces can accept compatible optical transceiver modules for supported fiber connections. The appropriate SFP or SFP+ module should be selected according to speed, fiber type, wavelength and required distance.
Yes. Compatible PoE-powered access points can receive network connectivity and electrical power through the switch. The eight 5G ports with 60W PoE support make this model particularly useful for high-performance wireless infrastructure.
Yes. Compatible PoE cameras can be powered directly through the access ports. VLAN and management capabilities can also help IT teams separate surveillance traffic from other business network resources.
Yes. The Cisco Business 350 Series supports VLAN functionality for logically separating users, applications, voice devices, cameras, wireless networks, guests and other traffic groups.
Yes. QoS capabilities help administrators classify and prioritize important network traffic, which can improve performance for latency-sensitive applications such as VoIP, video collaboration and wireless communications.
Yes. Cisco identifies the CBS350-24NGP-4X among the Business 350 Series models that support stacking. Exact stacking modes and model combinations should be checked against Cisco's stacking guidance when designing a multi-switch deployment.
Cisco specifies a 3 MB packet buffer for the CBS350-24NGP-4X.
The switch measures approximately 440 x 350 x 44 mm, or 17.3 x 13.78 x 1.73 inches, making it suitable for standard rack-mounted network installations.
Cisco specifies a unit weight of approximately 5.3 kg or 11.68 lb.
Yes. The CBS350-24NGP-4X uses an internal universal 100–240V AC, 50–60 Hz power supply, eliminating the need for an external desktop power brick.
Yes. Cisco specifies three cooling fans for this model, with an acoustic noise level of approximately 40.4 dB at 25°C.
The CBS350-24NGP-4X is especially well suited for high-density Wi-Fi networks, offices, schools, hospitality environments, branch locations, surveillance deployments and growing business networks that require a mix of Gigabit and Multi-Gigabit Ethernet, substantial PoE capacity, 60W powered-device support and flexible 10GbE uplinks.
