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CBS350-24T-4X-UK
Cisco CBS350-24T-4X-UK Business 350 24-Port Gigabit Switch,...
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CBS350-24T-4X-UK is a fanless, non-PoE, 24-port Gigabit access switch with four fixed 10G SFP+ uplinks. Its managed Layer 2+ design connects separately powered office computers, printers, and servers in a full-width 1U rack chassis. Cisco Business 350 provides local switching and basic routing for small-business networks without a removable uplink-card selection. The discontinued CBS350-24P-4X-UK differs by adding PoE+ with a shared 195W endpoint power allowance. The copper ports also accept 10 and 100 Mbps connections, allowing older Ethernet devices to remain on the same access hardware. Private VLAN isolation restricts communication between attached devices, while voice VLAN handling separates voice traffic for its own treatment.
CBS350-24T-4X-UK price for new stock is is available on request. Get immediate quote. CBS350-24T-4X-UK refurb price is $3,024.00.
Request bulk order quote for CBS350-24T-4X-UK for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
128 Gbps switching capacity supports wire-speed, nonblocking operation, and 95.23 Mpps forwarding specifies throughput for 64-byte packets. Static routing, RIP v2, and PBR provide local IP forwarding, with an allowance of 990 IPv4 static routes. CBS350-24T-4X-UK carries 512 MB of DRAM and 256 MB of flash for control software and stored files. A dynamically shared 1.5 MB packet buffer serves traffic across the interfaces, while the MAC table accommodates 16000 addresses. Administration is available through the web interface, CLI, SNMP, Cisco Business Dashboard, and Cisco Business mobile app. STP, RSTP, MSTP, and LACP support loop control and link aggregation. Four-member hardware stacking presents a single managed system with ring or chain interconnects and active/standby control. The fixed internal supply accepts 100-240V AC; power redundancy must be provided outside the chassis because there is no redundant PSU option. 27.54W maximum system draw sets the upper load for outlet and power-budget planning.
Specify condition and quantity when ordering CBS350-24T-4X-UK, available new sealed or certified refurbished. Certified refurbished units are inspected and bench-tested for POST, rated-speed port links, clean boot, and optics bay recognition, then firmware verified and wiped to factory default. ORM warranties are up to 3-year extended for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition, terms apply; Cisco service under its separate Enhanced Limited Lifetime Warranty ends October 31, 2029, subject to eligibility. Enterprise and volume POs are accepted, with Net-30 for government, RMA with advance replacement, and regional stock/RMA covering the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G / 4 x 10G SFP+ |
Stacking | Hardware stacking / 4 members |
Cooling | Fanless |
Replaces | SG350X-24-K9-UK EOS October 30, 2021 / SG550X-24-K9-UK EOS July 30, 2022 |
Lifecycle Status | End-of-sale October 29, 2024 / support ends October 31, 2029 |
Replacement PID | C1300-24T-4X |
When replacing the discontinued SG350X-24-K9-UK or SG550X-24-K9-UK, CBS350-24T-4X-UK provides a migration option for retaining an existing Business 350 estate. Treat the change as a configuration migration rather than assuming identical behavior; inventory the existing settings and specify configuration and interconnect acceptance checks before the PO.
When a small site needs local separation between departments, CBS350-24T-4X-UK supports 4094 VLANs and 128 IP interfaces, providing separate limits for segmentation and addressing. Build the required interface inventory before selecting the configuration, and specify VLAN membership, gateway addresses, and acceptance tests before releasing the PO.
When traffic inspection must be included in pre-delivery staging, CBS350-24T-4X-UK can mirror eight source ports to one destination port. Plan the capture points and analyzer connection within that limit, then specify the staging configuration and port-level acceptance checks on the PO.
Switch-powered phones or access points
CBS350-24T-4X-UK supplies no PoE, so connected devices need separate power. C1300-24P-4X is the current 24-port Gigabit PoE alternative with four 10G SFP+ uplinks.
Ongoing security maintenance releases
Security maintenance ended October 29, 2025, so CBS350-24T-4X-UK no longer receives planned vulnerability fixes. C1300-24T-4X is the current migration model for a replacement purchase.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| CBS350-24T-4X-UK |  CBS350-24XS |  CBS350-24XS-UK |  CBS350-48NGP-4X-EU |  CBS350-16FP-2G-UK | |
|---|---|---|---|---|---|
| Depth | 240 mm | 350 mm | 350 mm | 350 mm | 308 mm |
| Ethernet Technology | Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | 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 | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-24T-4X-UK | CBS350-24XS | CBS350-24XS-UK | CBS350-48NGP-4X-EU | CBS350-16FP-2G-UK |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 27.54W | 39W | 39W | 916W | 284W |
| Switching Capacity | 128 Gbps | 480 Gbps | 480 Gbps | 240 Gbps | 36 Gbps |
| Weight | 2.78 kg | 4.4 kg | 4.4 kg | 5.95 kg. | 2.49 kg. |
| Width | 445 mm | 440 mm | 440 mm | 440 mm | 268 mm |
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CBS350-24T-4X-UK identifies a Business 350 managed switch with 24 non-PoE Gigabit copper ports, four 10G SFP+ uplinks, and the UK regional suffix. CBS350 names the family, 24T identifies the copper configuration, and 4X identifies the uplinks; UK also covers Saudi Arabia, Qatar, Kuwait, Singapore, Hong Kong, and Malaysia.
CBS350-24T-4X-UK is managed through its HTTP/HTTPS web interface, CLI over the RJ-45 console, SSH or Telnet, SNMP, Cisco Business Dashboard, and the Cisco Business mobile app. The browser interface offers simple and advanced modes, while Dashboard uses an embedded probe on the switch. Cisco Network Plug and Play handles provisioning.
Yes, CBS350-24T-4X-UK is discontinued; its end-of-sale date was October 29, 2024, and its last date of support is October 31, 2029. Phone support, software maintenance, and vulnerability/security support ended October 29, 2025. C1300-24T-4X is the current replacement for migration planning.
ORM Systems offers CBS350-24T-4X-UK new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty. Both conditions include 30-day returns; terms apply. Cisco's separate Enhanced Limited Lifetime Warranty is subject to eligibility, and Cisco service ends October 31, 2029.
No, CBS350-24T-4X-UK requires no separate switch license or subscription, and all switch features are included with the hardware purchase. There is no switch feature-tier selection or minimum subscription term to add to the PO; order any required physical accessories separately.
CBS350-24T-4X-UK replaces the discontinued SG350X-24-K9-UK and SG550X-24-K9-UK. Their respective end-of-sale dates were October 30, 2021, and July 30, 2022. A migration should include configuration review and interconnect checks; replacement status does not establish that an existing configuration can be reused unchanged.
CBS350-24T-4X-UK supports SFP-10G-SR for multimode fiber, SFP-10G-LR for single-mode fiber, and SFP-H10GB-CU1M for a 1 m direct-attach copper connection. Choose the media to match the far-end interface and installed cabling, and include the selected transceiver or cable PIDs as separate PO lines.
Four members can form a Cisco Business 350 hardware stack, and CBS350-24T-4X-UK is a supported stacking model. Ring and chain topologies use 10G interconnects, with active and standby stack control. Reserve the required interfaces in the port plan before assigning the remaining connections to uplinks.
Yes, the Business 350 supports inter-VLAN IPv4 routing, IPv6 routing, RIP v2, and PBR, with up to 990 IPv4 static routes and 128 IP interfaces. Routing interfaces can use physical ports, VLAN interfaces, link aggregation groups, or loopbacks; size the interface plan before deployment.
CBS350-24P-4X-UK supplies PoE+ with a shared 195W budget, whereas CBS350-24T-4X-UK provides data-only copper ports. Both models are discontinued. The powered model addresses endpoint power delivery within its shared allowance; the non-PoE model suits buyers whose connected equipment already has a separate power source.
CBS350-24T-4X-UK has four 10G SFP+ uplinks, while CBS350-24T-4G-UK has four 1G SFP uplinks. Both models are discontinued. Buyers retaining a Business 350 installation can select the former for 10G upstream connections or the latter when Gigabit uplinks satisfy the existing network design.
C1300-24T-4X is the current replacement for the discontinued CBS350-24T-4X-UK; both provide 24 Gigabit copper ports and four 10G SFP+ uplinks. The Business 350 model serves existing-estate matching and sparing, while C1300-24T-4X is the migration choice when the purchase must follow the current replacement path.
Business 350 switches provide 802.1X authentication, port security, DHCP snooping, IP Source Guard, Dynamic ARP Inspection, and private VLAN isolation. These controls cover endpoint admission, address validation, and separation between attached devices; their configuration should match the site's authentication services and access policy.
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