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CBS350-24T-4G-UK
Cisco CBS350-24T-4G-UK Business 350 24-Port Gigabit Switch,...
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CBS350-24T-4G-UK provides fanless, managed Layer 2+ switching for small-office copper networks. Its 24 Gigabit Ethernet access ports connect computers, printers, and other independently powered devices, while four built-in 1G SFP uplinks accommodate fiber connections. The fixed uplink arrangement has no removable expansion card, and the chassis occupies one rack unit. Within the Cisco Business 350 Series, this configuration separates network connectivity from endpoint power delivery. The discontinued CBS350-24P-4G-UK adds PoE+ output for installations that previously standardized on powered access ports. This Cisco Business switch instead serves data-only connections where endpoint power is supplied separately, combining managed traffic segmentation with a full-width rack chassis and no cooling fans.
CBS350-24T-4G-UK price for new stock is is available on request. Get immediate quote. CBS350-24T-4G-UK refurb price is $1,309.09.
Request bulk order quote for CBS350-24T-4G-UK for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
56 Gbps switching capacity supports nonblocking traffic forwarding across the network interfaces. 41.66 Mpps forwarding performance applies to 64-byte packets, providing a packet-rate reference for small-frame workloads rather than just aggregate bandwidth. Static routing, RIP v2, and PBR support local subnet connectivity and next-hop selection without requiring an advanced network license tier. The hardware includes 512 MB of DRAM and 256 MB of flash for runtime operation and stored software. CBS350-24T-4G-UK shares a 1.5 MB packet buffer across its interfaces, so traffic bursts draw from a common pool rather than separately reserved per-port buffers. STP/RSTP/MSTP provide loop-control options, while LACP supports grouped Ethernet links. Browser-based configuration, SSH, and SNMP accommodate local administration and network-management integration. Access controls include port security, DHCP snooping, and authentication through RADIUS or TACACS+. Hardware stacking is not supported on this model; link aggregation does not turn separate chassis into one switching system.
ORM Systems offers CBS350-24T-4G-UK in new sealed and certified refurbished condition; specify the condition and quantities on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, optics bay recognition, and PSU status, with firmware verified and configuration wiped to factory default. ORM warranty is up to 3-year extended for new units and up to 1 year for certified refurbished units; returns are 30 days on every condition, with terms applying. Enterprise and volume orders support PO acceptance, Net-30 for government, and RMA with advance replacement, with regional stock and RMA across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G RJ-45 / 4 x 1G SFP |
Max Power Draw | 25.91W |
Cooling | Fanless |
Replaces | SG350-28-K9-UK: EOS October 30, 2021 / SF350-24-K9-UK: EOS January 29, 2023. |
Lifecycle Status | End of sale: October 29, 2024 |
Replacement PID | C1300-24T-4G. |
For an office moving inter-VLAN forwarding away from an external router, a ceiling of 990 static routes and 128 IP interfaces defines the local routing plan. Review subnet growth, next-hop assignments, and interface usage before specifying the switch for routed access.
When several small offices need the same commissioning workflow, Cisco Network Plug and Play with PnP Connect supports centralized provisioning, and editable configuration files can be downloaded to another unit. Identify the provisioning service, configuration template, and site-specific parameters before preparing the purchase order.
For a staging bench validating software before a replacement is dispatched, dual software images provide a second image location. Jumbo frames extend to 9K bytes, with 2K bytes as the default MTU. Check image selection and frame-size settings against the production configuration before ordering the spare.
10G fiber uplinks to distribution
CBS350-24T-4G-UK limits fiber uplinks to 1G. C1300-24T-4X provides 24 Gigabit copper ports and four 10G SFP+ uplinks as the current migration option.
PoE power for connected endpoints
CBS350-24T-4G-UK supplies no PoE output. C1300-24P-4G is the current 24-port Gigabit PoE migration choice with four 1G SFP uplinks; verify its endpoint-power configuration before ordering.
Hardware stacking with shared control
CBS350-24T-4G-UK cannot join a hardware stack. Its SFP uplinks carry network traffic rather than stack connections; centralized dashboard management does not create a shared switching system.
Continued vulnerability and security fixes
CBS350-24T-4G-UK reached the end of vulnerability/security support on October 29, 2025. C1300-24T-4G is the current migration replacement for buyers requiring a successor.
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| CBS350-24T-4G-UK |  CBS350-24XT-NA |  CBS350-12XS-UK |  CBS350-12XS |  CBS350-12XS-EU | |
|---|---|---|---|---|---|
| Depth | 240 mm | 350 mm | 257 mm | 257 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 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 | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-24T-4G-UK | CBS350-24XT-NA | CBS350-12XS-UK | CBS350-12XS | CBS350-12XS-EU |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 25.91W | 124.5W | 25.3W | 25.3W | 25.3W |
| Switching Capacity | 56 Gbps | 480 Gbps | 240 Gbps | 240 Gbps | 240 Gbps |
| Weight | 2.63 kg. | 5.1 kg | 3.42 kg | 3.42 kg | 3.42 kg |
| Width | 445 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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CBS350-24T-4G-UK identifies a Business 350 managed switch with 24 non-PoE Gigabit copper ports, four Gigabit SFP uplinks, and regional ordering suffix UK. CBS350 names the family, 24T identifies the copper access configuration, and 4G identifies the four Gigabit uplinks. UK covers the United Kingdom and other designated markets.
CBS350-24T-4G-UK is managed through its HTTP/HTTPS web interface, CLI over SSH or Telnet, RJ-45 console, SNMP v1/v2c/v3, Cisco Business Dashboard, and Cisco Business mobile app. An embedded Dashboard probe runs on the unit. Select administrative access during staging and retain credentials and configuration backups for operational handover.
CBS350-24T-4G-UK reached end of sale on October 29, 2024, and its last date of support is October 31, 2029. Software maintenance and vulnerability/security support ended October 29, 2025. C1300-24T-4G is its migration replacement. Remaining eligible hardware support does not restore software maintenance or planned security remedies.
New sealed and certified refurbished CBS350-24T-4G-UK units carry ORM warranty of up to 3-year extended for new and up to 1 year for certified refurbished. Cisco's limited lifetime hardware warranty is bounded by October 31, 2029, subject to eligibility. ORM provides 30-day returns on every condition; terms apply. Refurbished units are inspected and bench-tested.
CBS350-24T-4G-UK replaces the discontinued SG350-28-K9-UK and SF350-24-K9-UK. Their end-of-sale dates were October 30, 2021, and January 29, 2023, respectively. The replacement relationship supports installed-base identification, but CBS350-24T-4G-UK is also discontinued. New-standardization purchasing should distinguish legacy replacement requirements from the current C1300-24T-4G migration path.
CBS350-24P-4G-UK provides PoE+ on 24 access ports with a shared 195W budget, while CBS350-24T-4G-UK provides data-only access ports. Both models are discontinued. The powered configuration matches legacy installations needing Ethernet-delivered endpoint power; the data-only configuration matches installations where connected devices already have separate power.
CBS350-24T-4X-UK has four 10G SFP+ uplinks, compared with four 1G SFP uplinks on CBS350-24T-4G-UK. Both variants are discontinued. Existing installations specified for Gigabit fiber uplinks match the 4G configuration; legacy networks requiring 10G fiber connections match the 4X configuration rather than an optics-only upgrade to this model.
CBS350-24T-4G-UK is discontinued, while C1300-24T-4G is its current migration replacement. The older model serves like-for-like installed-base replacement requirements; the Catalyst 1300 successor belongs on new-standardization quotations. Buyers retaining the older model must account for software maintenance having ended, rather than treating remaining hardware eligibility as continued software support.
CBS350-24T-4G-UK supports static IPv4 routing, RIP v2 dynamic routing, IPv6 routing, and PBR. Its static-routing limits are 990 routes and 128 IP interfaces. Interfaces can be assigned to physical ports, link aggregations, VLANs, or loopbacks. Review those limits against the subnet plan before moving routing onto the switch.
CBS350-24T-4G-UK supports Gigabit SFP transceivers including MGBSX1 for multimode fiber to 500 m and MGBLX1 for single-mode fiber to 10 km. Match the transceiver PID to the installed fiber and remote interface. The fixed SFP uplinks remain Gigabit connections; changing transceivers does not provide 10G operation.
No, CBS350-24T-4G-UK uses a fixed internal AC power supply rather than redundant internal power modules. Its universal input accepts 100-240V AC at 50-60 Hz. The UK suffix identifies a regional ordering configuration. Specify the required regional unit and site power arrangements rather than adding a second internal supply.
No, CBS350-24T-4G-UK does not support hardware stacking. Its four Gigabit SFP uplinks are network interfaces, not dedicated stacking connections. Cisco Business Dashboard can provide centralized management, but that does not combine separate units into one switching system. Specify independent switches when planning additional capacity or operational spares.
Yes, CBS350-24T-4G-UK is a full-width 1U rack-mount switch measuring 445 mm wide, 240 mm deep, and 44 mm high, with a weight of 2.63 kg. A mounting kit is included in the standard package. Check enclosure depth, cable clearance, and the supplied mounting hardware before preparing the installation order.
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