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CBS350-48T-4X-NA
Cisco CBS350-48T-4X-NA Business 350 48-Port Gigabit Switch,...
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CBS350-48T-4X-NA is a managed Layer 2+ access switch with 48 Gigabit copper ports and four fixed 10G SFP+ uplinks for small-business networks. The 1U Business 350 chassis connects independently powered Ethernet endpoints, while its uplinks connect the access network to aggregation or local servers. The Cisco Business 350 Series supports VLAN segmentation and access controls for separating workgroups without dedicating separate hardware to each department. Discontinued CBS350-48P-4X-NA is the nearest powered sibling, adding PoE+ with a shared 370W endpoint budget; this model supplies no PoE. The included mounting kit and power cord cover the standard chassis installation.
CBS350-48T-4X-NA price for new stock is $1,305.15. CBS350-48T-4X-NA refurb price is $971.25. CBS350-48T-4X-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-48T-4X-NA for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
176 Gbps switching capacity provides nonblocking forwarding across the access and uplink interfaces. 130.94 Mpps forwarding at 64-byte packet size gives a separate measure for packet-heavy workloads rather than bandwidth alone. Static routing, RIP v2, and PBR support inter-VLAN forwarding and next-hop selection, with 990 static routes and 128 IP interfaces defining the routing limits. CBS350-48T-4X-NA carries 512 MB of DRAM and 256 MB of flash, while a dynamically shared 3 MB packet buffer accommodates traffic bursts across its ports. Endpoint learning supports 16000 MAC addresses, and 4094 simultaneous VLANs provide logical segmentation. HTTP/HTTPS browser access, an RJ-45 console, CLI over SSH or Telnet, and SNMP provide local and remote administration. STP, RSTP, and MSTP control Layer 2 loops. Dual software images provide an additional recovery option during firmware upgrades.
Specify CBS350-48T-4X-NA new sealed or certified refurbished, with condition, quantity, and link accessories on the PO. ORM's warranty is up to a 3-year extended term for new units or up to 1 year for certified refurbished units, with 30-day returns on every condition, terms apply; Cisco's limited lifetime warranty remains subject to eligibility and ends no later than October 31, 2029. Refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, optics bay recognition, PSU status, and fan status; firmware is verified and configurations are wiped to factory default. Enterprise and volume orders can use PO acceptance, Net-30 for government, RMA with advance replacement, and regional stock/RMA coverage across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G copper / 4 x 10G SFP+ |
Stacking | Hardware stacking / 4 members |
Max Power Draw | 51.01W |
Replaces | SG350X-48-K9-NA EOS 2021-10-30 / SG550X-48-K9-NA EOS 2022-07-30 |
Lifecycle Status | End of sale October 29, 2024 |
Replacement PID | C1300-48T-4X |
For a maintenance refresh of discontinued SG350X-48-K9-NA or SG550X-48-K9-NA hardware, this model is a named migration option. Treat the purchase as an installed-base change, and include configuration validation, regional power requirements, the required condition, and a review of application compatibility before issuing the replacement hardware PO.
When an existing stack needs another member, CBS350-48T-4X-NA supports ring or chain arrangements with active/standby stack control. The interconnect plan separates stacking links from ordinary network connections. Confirm the intended topology, member models, cable lengths, and interface allocation before placing the hardware and accessory order.
When several offices need common administration, the Business 350 embedded Cisco Business Dashboard Probe avoids a separate on-site probe appliance or virtual machine. The family also supports the Cisco Business mobile app. Define the dashboard hosting arrangement and local management workflow before specifying each site's equipment order.
Power over Ethernet for endpoints
CBS350-48T-4X-NA supplies no endpoint power. C1300-48P-4X provides 48 Gigabit PoE ports and four 10G SFP+ uplinks for deployments that require powered copper connections.
Native multigigabit copper access
CBS350-48T-4X-NA limits its copper access ports to 1Gbps. The faster interfaces are SFP+ uplinks, not multigigabit RJ-45 access connections for higher-speed endpoints.
Five or more stacked switches
CBS350-48T-4X-NA supports a maximum of four hardware stack members. A requirement for five switches under one stack control system exceeds that limit.
Continuing vendor security maintenance
CBS350-48T-4X-NA vulnerability/security support ended October 29, 2025. C1300-48T-4X is the current migration option with the same access-port count and uplink configuration.
Mon–Fri: [09:00-16:00]
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| CBS350-48T-4X-NA |  CBS350-48FP-4G-NA |  CBS350-24XTS-NA |  CBS350-48P-4X-EU |  CBS350-16XTS | |
|---|---|---|---|---|---|
| Depth | 288 mm | 350 mm | 350 mm | 350 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | 10 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 | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-48T-4X-NA | CBS350-48FP-4G-NA | CBS350-24XTS-NA | CBS350-48P-4X-EU | CBS350-16XTS |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 51.01W | 886.42W | 80.2W | 471.9W | 57.7W |
| Switching Capacity | 176 Gbps | 104 Gbps | 480 Gbps | 176 Gbps | 320 Gbps |
| Weight | 3.95 kg. | 5.82 kg. | 4.84 kg. | 5.43 kg | 3.79 kg |
| Width | 445 mm | 445 mm | 440 mm | 445 mm | 440 mm |
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New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
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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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CBS350-48T-4X-NA combines CBS350 for the Cisco Business 350 family, 48 for access-port count, T for non-PoE copper, and 4X for four 10G SFP+ uplinks. NA identifies the USA, Canada, Mexico, Colombia, Chile, and the rest of Latin America rather than a software tier.
CBS350-48T-4X-NA supports its HTTP/HTTPS web UI, console, CLI over SSH or Telnet, SNMP, Cisco Business Dashboard, and Cisco Business mobile app. The embedded Dashboard Probe runs on the switch, while the full and menu-based CLI provide local configuration and scripted administration workflows.
The Cisco Business 350 requires no license or subscription for switch operation. A separate term-based network entitlement is not needed to activate its built-in switching and routing features. The regional hardware PID and required link accessories define the equipment order without an enterprise software-tier suffix.
CBS350-48T-4X-NA supplies no PoE, while CBS350-48P-4X-NA adds PoE+ with a shared 370W budget across 48 ports. Both are discontinued. The unpowered model fits independently powered endpoints; the powered version addresses legacy PoE requirements, while C1300-48P-4X is the current replacement for a new powered-switch purchase.
CBS350-48T-4X-NA has four 10G SFP+ uplinks, whereas CBS350-48T-4G-NA has four 1G SFP uplinks. Both are discontinued and provide 48 Gigabit copper access ports. The 4X version suits a retained 10G uplink design; the 4G version suits an existing 1G optical uplink requirement.
C1300-48T-4X replaces the discontinued CBS350-48T-4X-NA while retaining 48 Gigabit access ports and four 10G SFP+ uplinks. The distinction is lifecycle rather than port layout. CBS350-48T-4X-NA addresses an installed-base purchase; C1300-48T-4X is the current migration choice when continuing with the same access and uplink counts.
Cisco Business 350 hardware stacking supports four members, ring or chain topologies, and active/standby stack control. CBS350-48T-4X-NA uses 10G interfaces for stack interconnects. Stack planning covers the intended member models, physical link layout, cable lengths, and interfaces retained for ordinary network traffic before accessory quantities are finalized.
The Cisco Business 350 supports static routing, RIP v2, and PBR, with 990 static routes and 128 IP interfaces. IPv4 and IPv6 routing are available, and routed interfaces can be physical ports, link aggregation groups, VLAN interfaces, or loopback interfaces. These ceilings bound the inter-VLAN routing design.
CBS350-48T-4X-NA supports SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber through its four fixed 10G SFP+ uplinks. SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M provide 1 m, 3 m, and 5 m direct-attach connections. Link media, distance, and the remote interface determine the appropriate accessory for each connection.
CBS350-48T-4X-NA uses an internal universal 100–240V AC power supply, with worst-case consumption of 51.01W at 110V or 50.58W at 220V. The power cord and mounting kit are included. The installation therefore needs a suitable regional AC connection rather than an external power adapter.
CBS350-48T-4X-NA replaced discontinued SG350X-48-K9-NA and SG550X-48-K9-NA. SG350X-48-K9-NA reached end of sale October 30, 2021; SG550X-48-K9-NA reached end of sale July 30, 2022. The Business 350 replacement has itself since been discontinued, and C1300-48T-4X is the current migration endpoint for this hardware configuration.
CBS350-48T-4X-NA is discontinued, with end of sale on October 29, 2024, and last support on October 31, 2029. Software maintenance and vulnerability/security support ended October 29, 2025. C1300-48T-4X is the current replacement, retaining 48 Gigabit access ports and four 10G SFP+ uplinks.
CBS350-48T-4X-NA is available from ORM Systems new sealed or certified refurbished. ORM provides up to a 3-year extended warranty on new units and up to 1 year on refurbished units, with 30-day returns on every condition; terms apply. Cisco's limited lifetime warranty remains subject to eligibility and ends no later than October 31, 2029.
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