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CBS350-48XT-4X-EU
Cisco CBS350-48XT-4X-EU Business 350 48-Port 10 Gigabit Swit...
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CBS350-48XT-4X-EU combines 48 10 Gigabit copper access ports with four dedicated 10G SFP+ uplinks in a rack-mount 1U chassis. This managed, non-PoE member of the Cisco Business 350 Series connects workstations, servers, and other independently powered equipment in small-business networks. The uplinks are fixed rather than supplied through an optional expansion card, and their dedicated connections leave the copper access ports available for endpoints. A separate Gigabit out-of-band management interface provides an independent administration connection. Layer 2+ capabilities include local routing rather than Ethernet forwarding alone. The discontinued CBS350-48P-4X-EU differs by supplying PoE+ on Gigabit access ports, making endpoint speed and power requirements important distinctions between the configurations.
CBS350-48XT-4X-EU price is $7,183.89. CBS350-48XT-4X-EU is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-48XT-4X-EU for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
1040 Gbps switching capacity accommodates traffic across the built-in interfaces. 755.81 Mpps forwarding capacity applies to 64-byte packets, providing a separate packet-rate measure for traffic sizing. Static routing, RIP v2, and PBR provide next-hop control, while IPv6 routing supports dual-stack deployments. CBS350-48XT-4X-EU carries 512 MB of DRAM and 256 MB of flash, with a shared 10 MB packet buffer serving traffic across the ports. VLAN segmentation supports 4094 simultaneous VLANs, and STP/RSTP/MSTP provides loop-control options. LACP supports eight aggregation groups with eight active ports per group, allowing link bundles within those limits. Browser configuration, a full or menu-based CLI, and SNMP provide distinct administration paths. The 48-port 10 Gigabit copper switch uses five fans rather than passive cooling. Its 0°C to 50°C operating range and 450 mm chassis depth need to be accommodated when assigning equipment space and arranging rack ventilation.
Specify CBS350-48XT-4X-EU condition and quantities on the PO: new sealed or certified refurbished. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, optics bay recognition, PSU status, and fan status; firmware is verified and configurations are wiped to factory default. ORM covers new units with up to a 3-year extended warranty and refurbished units for up to 1 year, with 30-day returns for every condition, terms apply; Cisco's separate eligible limited lifetime coverage ends October 31, 2029. Enterprise and volume orders include PO acceptance, government Net-30, and RMA with advance replacement across UK, EU, US, and MEA stock/RMA regions.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 10G copper / 4 x 10G SFP+ |
Stacking | Hardware stacking / maximum four members |
Max Power Draw | 234.4W |
Cooling | 5 fans |
Replaces | SX350X-52-K9-EU / SX550X-52-K9-EU; end-of-sale July 30, 2022 |
Lifecycle Status | End-of-sale October 29, 2024; support ends October 31, 2029 |
An installed SX350X-52-K9-EU or SX550X-52-K9-EU estate approaching its next hardware purchase has a named migration relationship to this configuration. Both predecessors ended sale July 30, 2022. Record the installed model, confirm the required interface map, and account for this replacement model's discontinued status before specifying spare quantities.
An existing hardware stack requiring another purchase needs a topology and interconnect decision before equipment quantities are fixed. Ring and chain arrangements use 10G interconnects, with active and standby stack control and link aggregation across members. Specify the intended topology and reserve interconnect interfaces before finalizing the purchase order.
A multi-site rollout using Cisco Business Dashboard can run the probe directly on each switch without a separate probe appliance or virtual machine. That embedded-probe arrangement changes the commissioning equipment list. Check dashboard reachability and specify the site configuration, monitoring ownership, and operational handoff before issuing the purchase order.
Ethernet power for connected endpoints
CBS350-48XT-4X-EU has no PoE output on its copper ports. Connected devices that depend on Ethernet power need a separate power arrangement.
25G or faster distribution uplinks
CBS350-48XT-4X-EU tops out at 10G on its built-in SFP+ uplinks and has no uplink expansion bay. Faster distribution links require different hardware.
Silent operation near occupied desks
CBS350-48XT-4X-EU uses five fans and produces 47.9 dBA at 25°C. A requirement for passive cooling or silent operation excludes this model.
Continued software security fixes
CBS350-48XT-4X-EU passed its vulnerability and security support milestone on October 29, 2025. Ongoing security fixes are unavailable, and no migration product is available.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| CBS350-48XT-4X-EU |  CBS350-16T-E-2G |  CBS350-24P-4X-UK |  CBS350-16FP-2G |  CBS350-16FP-2G-UK | |
|---|---|---|---|---|---|
| Depth | 450 mm | 210 mm | 299 mm | 308 mm | 308 mm |
| Ethernet Technology | 10 Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Desktop | Rack-Mount 1U | Desktop | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-48XT-4X-EU | CBS350-16T-E-2G | CBS350-24P-4X-UK | CBS350-16FP-2G | CBS350-16FP-2G-UK |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 234.4W | 19.63W | 240.4W | 284W | 284W |
| Switching Capacity | 1040 Gbps | 36 Gbps | 128 Gbps | 36 Gbps | 36 Gbps |
| Weight | 7.29 kg | 1.42 kg. | 3.68 kg | 2.49 kg. | 2.49 kg. |
| Width | 440 mm | 268 mm | 445 mm | 268 mm | 268 mm |
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CBS350-48XT-4X-EU identifies a Cisco Business 350 managed switch: 48 denotes the copper access-port count, XT identifies the 10 Gigabit copper configuration, and 4X denotes four dedicated 10 Gigabit SFP+ interfaces. EU is the regional ordering suffix covering the European Economic Area and additional markets, not a software tier.
CBS350-48XT-4X-EU is managed through an HTTP/HTTPS web interface, full or menu-based CLI through the RJ-45 console, SSH or Telnet, SNMP, Cisco Business Dashboard, and the Cisco Business mobile app. SNMP versions 1, 2c, and 3 are supported. Cisco Network Plug and Play also supports provisioning workflows.
CBS350-48XT-4X-EU is discontinued: end of sale was October 29, 2024. Software maintenance and vulnerability/security support ended October 29, 2025. The last date of Cisco support is October 31, 2029, subject to eligibility, and no migration product is available for this model.
CBS350-48XT-4X-EU is offered new sealed with up to a 3-year extended ORM warranty or certified refurbished with up to 1 year. Returns are accepted for 30 days on every condition; terms apply. Cisco's limited lifetime hardware warranty is separate and cannot extend beyond October 31, 2029; eligibility applies.
CBS350-48XT-4X-EU replaces SX350X-52-K9-EU and SX550X-52-K9-EU. Both older models reached end of sale on July 30, 2022. The replacement itself is now discontinued, so this relationship identifies a historical hardware transition rather than a current-generation purchase recommendation. Confirm the installed interfaces before specifying replacement quantities.
No, CBS350-48XT-4X-EU does not provide PoE to attached devices. Its copper ports carry Ethernet data, while the internal AC supply powers the switch itself. Phones, cameras, or wireless access points requiring Ethernet power need a separate power arrangement; this model has no endpoint-power budget.
CBS350-48XT-4X-EU supports SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber. The built-in SFP+ interfaces support 10G and 1G operation. Match the optical type and link distance at both ends, and include the required transceivers on the purchase order because the standard package excludes them.
Four members is the maximum for a Cisco Business 350 hardware stack containing CBS350-48XT-4X-EU. Ring and chain topologies use 10G interconnects, with active and standby stack control. Reserve the necessary interfaces for stacking rather than assuming every fiber interface remains available for distribution connections.
CBS350-48XT-4X-EU supports static IPv4 routing, RIP v2, IPv6 routing, and PBR. Static IPv4 configuration supports 990 routes and 128 IP interfaces. Routing interfaces can be physical ports, link aggregation groups, VLANs, or loopbacks. Size the routing design against those limits rather than treating the switch as an unrestricted routing chassis.
An internal universal AC supply powers CBS350-48XT-4X-EU from 100–240V AC at 50–60 Hz. Worst-case system draw is 234.4W at 110V or 229.2W at 220V. Size the rack power allocation using the installation's input voltage; endpoint PoE delivery is not part of this load.
CBS350-48XT-4X-EU has non-PoE access ports, while CBS350-48P-4X-EU supplies PoE+ with a 370W budget. Both models are discontinued. Copper access speed also changes: 10G on the former and Gigabit on the latter. Powered Gigabit endpoint installations have different requirements from installations needing unpowered 10G copper density.
CBS350-48XT-4X-EU has four 10G SFP+ uplinks; CBS350-48T-4G-EU has four 1G SFP uplinks. Both are discontinued. The latter also uses Gigabit copper access rather than 10G copper. Existing 10G aggregation requirements distinguish the former from older access installations built entirely around Gigabit connections.
United States
