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CBS350-48FP-4X
Cisco CBS350-48FP-4X Business 350 48-Port Gigabit PoE+ Switc...
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CBS350-48FP-4X is a managed, stackable Layer 2+ access switch with 48 Gigabit Ethernet PoE+ copper ports and four fixed 10G SFP+ uplinks. The 1U rack-mount chassis belongs to the Cisco Business 350 Series and connects office computers alongside powered IP phones, wireless access points, and surveillance cameras. Copper access connections remain Gigabit; the higher-speed interfaces connect upstream equipment rather than multigigabit endpoints. CBS350-48P-4X, also discontinued, carries a 370W PoE budget and is the nearest lower-power sibling. Within the Cisco Business portfolio, this configuration combines small-business network management with powered endpoint connectivity and fixed fiber uplinks rather than a removable uplink expansion card.
CBS350-48FP-4X price for new stock is $2,202.90, a 24% saving from the Cisco list price of $2,900.45. CBS350-48FP-4X refurb price is $2,047.50. CBS350-48FP-4X is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-48FP-4X for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
176 Gbps switching capacity supports nonblocking forwarding across the installed interfaces, while 130.94 Mpps forwarding applies to 64-byte packets. 740W of PoE power is shared across the powered interfaces, so endpoint allocations must remain within the chassis budget. Static routing, RIP v2, and PBR provide inter-VLAN forwarding and next-hop policy control; dynamic routing is limited to RIP v2. CBS350-48FP-4X combines 512 MB of DRAM with 256 MB of flash for configuration and image handling, and its 3 MB packet buffer is shared dynamically across ports. STP/RSTP/MSTP handle spanning-tree operation, while LACP supports link aggregation. An internal AC supply feeds the chassis, and one fan handles cooling. 889.35W worst-case draw at 110V sets the maximum input-power allowance for a loaded unit; operation at 220V has a corresponding worst-case figure of 865.02W.
ORM Systems offers CBS350-48FP-4X in new sealed and certified refurbished condition; new units carry up to a 3-year extended warranty, certified refurbished units up to 1 year, and every condition includes 30-day returns, with terms applying. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, and PoE output under load on every powered port; firmware is verified and configuration wiped to factory default. Specify this switch's condition and required quantity on the purchase order. For enterprise and volume orders, POs are accepted, Net-30 is available for government, and regional stock and RMA cover UK / EU / US / MEA, with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 4 x 10G SFP+ |
PoE Budget | 740W shared |
Stacking | True stacking / 4 members |
Max Power Draw | 889.35W at 110V |
Lifecycle Status | End of sale October 29 2024 |
Replacement PID | C1300-48FP-4X |
A phone or surveillance rollout with overnight shutdown requirements needs endpoint power scheduling, not only a larger supply. Time-based PoE lets powered ports follow a configured schedule, while eight hardware queues separate traffic priorities. Specify endpoint operating hours and the required QoS treatment before the purchase order.
An existing small-business switching installation needs one management identity when additional cabinets join the same operational group. Hardware stacks support ring or chain layouts with active and standby control, and manage a maximum of 200 ports as one system. Specify the member topology and interconnect media before ordering.
A staging program that must inspect traffic before equipment reaches production can use port mirroring to copy traffic from eight source ports to one analyzer port. Dual firmware images provide separate image handling during preparation. Specify the monitoring connection and firmware acceptance steps on the purchase order.
New deployments requiring continuing security updates
Vulnerability and security maintenance ended October 29, 2025 for CBS350-48FP-4X. C1300-48FP-4X is the current migration model with the same access-port count and uplink speed.
60W power for individual endpoints
CBS350-48FP-4X supports PoE and PoE+ on its access ports, but does not include 60W PoE ports. Its shared power budget cannot change that endpoint power limit.
Multigigabit speeds on copper access ports
CBS350-48FP-4X copper access ports operate at 10/100/1000 speeds. Faster SFP+ uplinks do not upgrade those endpoint connections, so devices requiring 2.5G or 5G access cannot negotiate those rates.
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| CBS350-48FP-4X |  CBS350-8FP-E-2G-NA |  CBS350-8P-2G-NA |  CBS350-48XT-4X |  CBS350-48FP-4G | |
|---|---|---|---|---|---|
| Depth | 350 mm | 185 mm | 272 mm | 450 mm | 350 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Desktop | Desktop | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-48FP-4X | CBS350-8FP-E-2G-NA | CBS350-8P-2G-NA | CBS350-48XT-4X | CBS350-48FP-4G |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 889.35W | 147.48W | 83.17W | 234.4W | 886.42W |
| Switching Capacity | 176 Gbps | 20 Gbps | 20 Gbps | 1040 Gbps | 104 Gbps |
| Weight | 5.82 kg | 1.53 kg | 2.59 kg. | 7.29 kg | 5.82 kg |
| Width | 445 mm | 268 mm | 268 mm | 440 mm | 445 mm |
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CBS350-48FP-4X identifies a Business 350 managed switch: CBS350 names the family, 48 denotes 48 Gigabit copper access ports, FP identifies the PoE+ configuration with a 740W budget, and 4X denotes four 10G SFP+ uplinks. The supplied part number does not contain a separate software-license tier suffix.
Cisco Business 350 Series switches support an HTTP/HTTPS web interface, CLI over SSH or Telnet, RJ-45 console access, SNMP, Cisco Business Dashboard, and the Cisco Business mobile app. Dashboard integration includes an embedded probe, while the CLI supports scripted configuration and a menu-based interface.
CBS350-48FP-4X 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. C1300-48FP-4X is the current replacement for this discontinued model, including the North American ordering variant.
ORM Systems supplies CBS350-48FP-4X new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Both conditions have 30-day returns; terms apply. Cisco's separate Limited Lifetime hardware warranty is subject to eligibility and ends at the last support date, October 31, 2029.
CBS350-48FP-4X requires no software license or subscription to operate, so there is no network-license tier or minimum subscription term to select. The built-in switching and routing functions are part of the managed switch, rather than a separate term-based hardware operating entitlement.
CBS350-48FP-4X-NA replaced SG350X-48MP-K9-NA and SG550X-48MP-K9-NA as the North American migration choice. SG350X-48MP-K9-NA reached end of sale October 30, 2021, and SG550X-48MP-K9-NA on July 30, 2022. CBS350-48FP-4X is also discontinued, so new-generation purchasing now follows the chain to C1300-48FP-4X.
740W is the shared PoE budget of CBS350-48FP-4X, and all 48 copper access ports support PoE+. Endpoint allocations must fit within that total; the budget is not a guarantee of maximum simultaneous power on every port. Time-based PoE can schedule powered-port operation.
CBS350-48FP-4X supports SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber in its four fixed 10G SFP+ uplinks. SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M provide direct-attach copper options. Choose the cable or optics PID for the required medium and link distance rather than adding an uplink expansion module.
Four members is the maximum for a Cisco Business 350 hardware stack using stack-capable models such as CBS350-48FP-4X. The stack uses high-speed 10G fiber interconnects and supports ring or chain layouts with active/standby control. Specify compatible members and the physical link layout before ordering interconnects.
Static routing, RIP v2, and PBR are supported by CBS350-48FP-4X, with a maximum of 990 static routes and 128 IP interfaces. The switch routes IPv4 and IPv6 traffic using physical, VLAN, or link-aggregation interfaces. Its dynamic routing option is RIP v2, so requirements beyond that need a different routing platform.
CBS350-48FP-4X uses an internal universal AC power supply accepting 100-240V at 50-60 Hz. Worst-case input draw with PoE is 889.35W at 110V and 865.02W at 220V. Include both switch input and endpoint loading when sizing branch circuits or UPS supplies.
CBS350-48FP-4X provides a 740W PoE budget, whereas CBS350-48P-4X provides 370W; both have 48 Gigabit PoE+ access ports and four 10G SFP+ uplinks. Both models are discontinued. The higher-budget model addresses larger aggregate endpoint allocations; the lower-budget model suits existing installations with smaller combined powered-device loads.
CBS350-48FP-4X has four 10G SFP+ uplinks, while CBS350-48FP-4G has four 1G SFP uplinks; both carry 48 Gigabit PoE+ access ports and a 740W budget. Both are discontinued. Existing installations needing 10G upstream links require the 4X variant; installations retaining 1G upstream connections match the 4G variant.
CBS350-48FP-4X is discontinued, while C1300-48FP-4X is its current replacement; both provide 48 Gigabit PoE+ access ports and four 10G SFP+ uplinks. The difference for procurement is the migration generation, not port density. The older model serves installed-base continuity; the current model suits new-generation standardization.
Yes, CBS350-48FP-4X is a 1U rack-mount switch measuring 445 mm wide, 350 mm deep, and 44 mm high, with a weight of 5.82 kg. The package includes a mounting kit. One cooling fan means the chassis is not fanless, so installation planning must account for ventilation.
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