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CBS350-24P-4G-UK
Cisco CBS350-24P-4G-UK Business 350 24-Port Gigabit PoE+ Swi...
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CBS350-24P-4G-UK is a fanless, managed Layer 2+ switch with 24 Gigabit Ethernet PoE+ access ports and four fixed 1G SFP uplinks in a rack-mount 1U chassis. The Cisco Business 350 series serves small offices connecting computers, IP phones, wireless access points and video endpoints. Separate copper access connections and fiber uplinks accommodate powered endpoints without consuming the optical connections needed upstream. Guest traffic isolation, voice VLAN handling and traffic prioritization support office data, communications and visitor connectivity within the same access device. The discontinued CBS350-24FP-4G-UK is the nearby higher-power variant, providing a 370W PoE allowance when comparing existing-estate configurations. Neither configuration requires a removable uplink card to provide its built-in fiber connections.
CBS350-24P-4G-UK price for new stock is is available on request. Get immediate quote. CBS350-24P-4G-UK refurb price is $2,434.91.
Request bulk order quote for CBS350-24P-4G-UK for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
56 Gbps switching capacity provides nonblocking connectivity across the installed interfaces. 41.66 Mpps forwarding at 64-byte packets defines the packet-processing rate. 195W of shared PoE power must cover the combined endpoint allocation rather than maximum draw on every powered connection. Static routing, RIP v2 and PBR support local routing, with 990 static routes and 128 IP interfaces setting the routing scope. CBS350-24P-4G-UK combines 512 MB DRAM and 256 MB flash with a 1.5 MB packet buffer dynamically shared across ports. A 16000-entry MAC table and support for 4094 simultaneous VLANs establish address-learning and segmentation capacity. STP/RSTP/MSTP handle Layer 2 topology, while LACP provides link aggregation. Hardware stacking is absent on this model; centralized administration does not combine separate chassis into one forwarding system. 239.7W maximum draw at 110V AC includes PoE load, so electrical provisioning must account for endpoint power rather than chassis consumption alone.
Order CBS350-24P-4G-UK in new sealed or certified refurbished condition, specifying quantities, required optics and the regional power cord on the purchase order. Certified refurbished units are inspected and bench-tested: power-on, POST, clean boot, rated-speed links on every port, PoE output under load on every powered port, optics bay recognition and PSU status are checked; firmware is verified and configuration wiped to factory default. ORM provides up to a 3-year extended warranty on new units, up to 1 year on certified refurbished units and 30-day returns on every condition, with terms applying; Cisco's separate Limited Lifetime hardware warranty ends with applicable support on October 31, 2029. PO accepted, Net-30 for government, RMA with advance replacement and regional stock/RMA across UK, EU, US and MEA support enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 4 x 1G SFP |
PoE Budget | 195W shared |
Cooling | Fanless |
Replaces | SG350-28P-K9-UK: October 30, 2021 / SF350-24P-K9-UK: January 29, 2023 |
Lifecycle Status | End of sale: October 29, 2024 |
Replacement PID | C1300-24P-4G |
When an installed SG350-28P-K9-UK or SF350-24P-K9-UK needs an estate spare, this model follows both older migration paths. The earlier switches reached end of sale on October 30, 2021 and January 29, 2023, respectively. Check the existing configuration and whether procurement specifically requires a CBS350 spare before specifying the replacement order.
When several offices need one management workflow, the embedded Cisco Business Dashboard Probe avoids a separate local probe appliance or virtual machine. The Cisco Business mobile app also provides local setup and management. Define whether administrators will use centralized dashboard operations or mobile on-site access, and confirm the management scope before the purchase order.
When switches are staged before shipment to different locations, the front-panel USB Type-A slot provides a local file and image handling path. A scriptable CLI offers another configuration method. Specify the intended software image and configuration handoff, and confirm which files must accompany each unit before the purchase order is released.
10G fiber uplinks to distribution
The fixed SFP uplinks operate at 1G, not 10G. C1300-24P-4X is the current migration option with 24 Gigabit PoE access ports and four 10G SFP+ uplinks.
Hardware stacking across multiple chassis
CBS350-24P-4G-UK does not support hardware stacking. Centralized management cannot provide a shared forwarding system, cross-stack connections or hardware stack failover for this model.
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| CBS350-24P-4G-UK |  CBS350-48NGP-4X |  CBS350-24T-4G-EU |  CBS350-16FP-2G-UK |  CBS350-24XTS | |
|---|---|---|---|---|---|
| Depth | 299 mm | 350 mm | 240 mm | 308 mm | 350 mm |
| Ethernet Technology | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Desktop | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-24P-4G-UK | CBS350-48NGP-4X | CBS350-24T-4G-EU | CBS350-16FP-2G-UK | CBS350-24XTS |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 239.7W maximum at 110V AC | 916W | 25.91W | 284W | 80.2W |
| Switching Capacity | 56 Gbps | 240 Gbps | 56 Gbps | 36 Gbps | 480 Gbps |
| Weight | 3.53 kg | 5.95 kg | 2.63 kg | 2.49 kg. | 4.84 kg. |
| Width | 445 mm | 440 mm | 445 mm | 268 mm | 440 mm |
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CBS350-24P-4G-UK identifies a Cisco Business 350 managed switch: 24 means 24 Gigabit copper ports, P indicates PoE+, and 4G means four Gigabit SFP uplinks. UK is the regional suffix covering the United Kingdom, Saudi Arabia, Qatar, Kuwait, Singapore, Hong Kong and Malaysia; it is not a software-license tier.
The Cisco Business 350 series supports a web UI, CLI through the RJ-45 console or SSH/Telnet, SNMP, Cisco Business Dashboard and the Cisco Business mobile app. Browser management uses HTTP/HTTPS, while full and menu-based CLI options support configuration. Dashboard integration includes an embedded probe rather than requiring a separate local probe host.
CBS350-24P-4G-UK is discontinued, with end of sale on October 29, 2024 and last date of support on October 31, 2029. Software maintenance and vulnerability/security support ended October 29, 2025. Remaining hardware support therefore does not mean continued software fixes. The current migration model is C1300-24P-4G.
ORM offers CBS350-24P-4G-UK new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units. Every condition includes 30-day returns; terms apply. Cisco's separate Limited Lifetime hardware warranty is bounded by the last date of support, October 31, 2029.
No additional feature license or switch subscription is required for CBS350-24P-4G-UK. The hardware purchase includes the available features rather than requiring a separate software-tier selection. The regional suffix does not identify a license level, and no minimum subscription term is needed to unlock the switch's included switching and routing functionality.
CBS350-24P-4G-UK replaces SG350-28P-K9-UK and SF350-24P-K9-UK. SG350-28P-K9-UK reached end of sale on October 30, 2021, while SF350-24P-K9-UK reached end of sale on January 29, 2023. The CBS350 replacement is itself discontinued, so an estate-spare purchase should be distinguished from a new deployment using the current C1300-24P-4G migration model.
195W is shared across the 24 PoE+ access ports of CBS350-24P-4G-UK, with up to 30W per powered port. The combined allocation must remain within that shared budget, so connecting 24 powered devices does not mean every connection can sustain maximum port power. Size endpoint power requirements before finalizing the order.
MGBSX1 and MGBLX1 are compatible fiber optics for CBS350-24P-4G-UK's four fixed 1G SFP uplinks. MGBSX1 supports multimode fiber over 500 m, while MGBLX1 supports single-mode fiber over 10 km. Select optics to match the installed fiber and remote connection, and include the required transceivers separately on the purchase order.
No, CBS350-24P-4G-UK does not support hardware stacking. Cisco Business Dashboard can manage multiple switches, but centralized administration does not combine them into a single forwarding system. Do not add stack kits or stacking cables for this model, or assume that the stacking capabilities of 10G-uplink variants carry over to this configuration.
The Cisco Business 350 series provides static routing, RIP v2 and PBR, including 990 static routes and 128 IP interfaces. These functions support routing between local IP networks and policy-directed next hops. For CBS350-24P-4G-UK, the combination of static routing and RIP v2 corresponds to Layer 2+ rather than an enterprise routing feature tier.
An internal 100-240V AC power supply powers CBS350-24P-4G-UK, rather than an external adapter or PoE input. The fixed supply has no optional second internal PSU. Electrical sizing must include endpoint load as well as the switch itself; maximum consumption is 239.7W at 110V AC, including PoE output.
Yes, CBS350-24P-4G-UK is a rack-mount 1U switch measuring 445 mm wide, 299 mm deep and 44 mm high, with a weight of 3.53 kg. The mounting kit is included with the device. Allow for power and network cabling when checking the intended rack location before ordering.
CBS350-24P-4G-UK provides a 195W PoE budget, while CBS350-24FP-4G-UK provides 370W. Both models are discontinued, so this comparison concerns existing-estate replacements or spares. The lower-budget model suits smaller combined endpoint allocations; the higher-budget variant accommodates a larger total PoE allocation when maintaining an existing CBS350 installation.
CBS350-24P-4G-UK has four 1G SFP uplinks, whereas CBS350-24P-4X-UK has four 10G SFP+ uplinks. Both models are discontinued. The 4G configuration suits existing networks retaining Gigabit fiber uplinks, while the 4X configuration suits replacement requirements where the upstream connections must operate at 10G rather than 1G.
CBS350-24P-4G-UK reached end of sale on October 29, 2024, while C1300-24P-4G is its current migration model. The distinction is lifecycle rather than the basic 24-port Gigabit PoE access configuration with four Gigabit SFP uplinks. Existing-estate sparing can require CBS350 hardware; new deployments should specify the current replacement.
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