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CBS350-48NGP-4X
Cisco CBS350-48NGP-4X Business 350 48-Port Gigabit/5G PoE+ S...
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CBS350-48NGP-4X combines eight multigigabit access ports supporting 100M, 1G, 2.5G and 5G with forty Gigabit Ethernet access ports in a managed Layer 2+ switch. Four fixed 10G uplink connections comprise two dedicated SFP+ ports and two copper/SFP+ combo ports; each combo connection uses either copper or fiber. All access ports support PoE+. The Cisco Business 350 Series Managed Switches serve small-business networks connecting computers, IP phones, wireless access points and surveillance equipment. This model occupies a rack-mount 1U position and combines switched access with static and RIP routing. Within the Cisco Business lineup, sibling CBS350-48P-4X has a smaller 370W endpoint-power budget.
CBS350-48NGP-4X price for new stock is is available on request. Get immediate quote. CBS350-48NGP-4X refurb price is $6,373.50.
Request bulk order quote for CBS350-48NGP-4X for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
240 Gbps switching capacity provides nonblocking forwarding across the mixed-speed interfaces. 178.56 Mpps forwarding performance is specified for 64-byte packets. 740W of shared PoE power requires allocation across connected endpoints rather than an assumption that every powered port can operate at its individual maximum simultaneously. RIP v2 supports dynamic route exchange, while PBR directs traffic according to configured policies. CBS350-48NGP-4X has 512 MB DRAM, 256 MB flash and a 6 MB packet buffer shared across its ports. The MAC table accommodates 16000 entries. Browser administration, a scriptable CLI and SNMP provide configuration and monitoring paths, with HTTPS and SSH available for encrypted administrative access. STP, RSTP, MSTP and LACP support loop control and link aggregation. 916W worst-case consumption at 110V includes PoE loading and informs circuit and UPS sizing. Four fans cool the chassis within its 0°C to 50°C operating range.
ORM Systems supplies CBS350-48NGP-4X new sealed or certified refurbished, with ORM warranties of up to 3-year extended coverage for new units and up to 1 year for refurbished units; every condition has 30-day returns, with terms applying. Refurbished units are inspected and bench-tested for power-on, POST, rated-speed port links, clean boot, PoE output under load on every powered port, optics recognition, PSU status and fan status; firmware is verified and configurations are wiped to factory default. Specify the condition and required optics on the purchase order. Enterprise and volume POs are accepted, with Net-30 for government, regional stock and RMA across UK, EU, US and MEA, and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 40 x 1G / 8 x 5G PoE+ / 4 x 10G |
PoE Budget | 740W shared |
Stacking | Hardware stacking / four members |
Max Power Draw | 916W |
Cooling | 4 fans |
Lifecycle Status | End of sale May 30, 2024. |
CBS350-48NGP-4X sits in the access layer and terminates copper runs from powered endpoints across 40 Gigabit PoE+ ports and eight 5G PoE+ ports. Network teams assign VLANs, QoS policies, port authentication, and PoE budgets close to connected phones, access points, cameras, and workstations. The four 10G uplink ports carry aggregated traffic toward distribution. The result is a dense powered access edge with multigigabit capacity reserved for higher-bandwidth endpoint runs.
The switch operates as an access-to-distribution handoff point where 40 1G PoE+ endpoints and eight 5G PoE+ endpoint links aggregate into four 10G uplinks. Engineers use the two 10G copper/SFP+ combo ports and two SFP+ ports to match the upstream fiber or copper design. CBS350-48NGP-4X keeps endpoint power, VLAN segmentation, and uplink selection within one rack-mounted access switch. The result is predictable northbound capacity for mixed 1G and multigigabit access closets.
Several compatible Cisco Business 350 switches form a hardware stack when a wiring closet needs more powered copper ports under one management plane. CBS350-48NGP-4X contributes 48 powered access ports, including eight 5G ports, while the stack presents unified configuration, monitoring, and failover behavior. Engineers standardize firmware, stacking links, VLANs, QoS, and PoE allocation before adding members. The result is controlled closet expansion with simpler administration across repeated access-layer builds.
When replacing an installed SG350X-48PV-K9-NA, this model follows the corresponding North American migration path. The predecessor reached end of sale on July 30, 2022, and this replacement is also discontinued. Specify the regional ordering variant and evaluate the remaining support window before issuing the purchase order.
When adding powered wireless or IoT endpoints, distinguish ordinary PoE+ connections from the eight access ports supporting 60W PoE. Connector availability alone does not establish sufficient aggregate power. Record each endpoint's requested allocation and reserve the high-power connections before specifying the powered device population on the purchase order.
When preparing replacement units for a controlled cutover, dual firmware images support image staging, and port mirroring can send traffic from eight source ports to one destination port. Define the image, saved configuration and analyzer connection during preparation, then specify the required unit condition and test scope before ordering.
Ongoing vulnerability fixes for new deployments
Vulnerability and security support ended May 30, 2025. This discontinued model does not meet a requirement for continuing security remedies, and no migration product is named.
More than eight multigigabit access connections
Only eight access ports support 2.5G and 5G; the other forty stop at Gigabit Ethernet. More multigigabit endpoint connections exceed this configuration's available access interfaces.
More than four hardware stack members
Hardware stacking is limited to four members. A larger single hardware stack exceeds the supported size, so another switching system is required for that requirement.
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| CBS350-48NGP-4X |  SF350-08 |  SF350-48 |  CBS350-48P-4X |  CBS350-24XT | |
|---|---|---|---|---|---|
| Depth | 350 mm | 170 mm | 257 mm | 350 mm | 350 mm |
| Ethernet Technology | Multi-Gigabit (2.5G/5G) | Fast Ethernet | Fast Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-48NGP-4X | SF350-08 | SF350-48 | CBS350-48P-4X | CBS350-24XT |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 916W | 5.8W | 24.2W | 471.9W | 124.5W |
| Switching Capacity | 240 Gbps | 1.6 Gbps | 17.6 Gbps | 176 Gbps | 480 Gbps |
| Weight | 5.95 kg | 1.18 kg. | 3.58 kg | 5.43 kg | 5.1 kg. |
| Width | 440 mm | 279.4 mm | 440 mm | 445 mm | 440 mm |
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CBS350-48NGP-4X identifies a Cisco Business 350 managed switch: CBS350 names the family, 48 identifies the access-port count, NGP identifies the mixed Gigabit/5G powered configuration, and 4X identifies four 10G uplink connections. The configuration has forty Gigabit access ports and eight multigigabit access ports.
CBS350-48NGP-4X supports a web UI over HTTP or HTTPS, CLI access over SSH, Telnet or the RJ-45 console, Cisco Business Dashboard, the Cisco Business mobile app, and SNMP. The embedded Dashboard probe supports centralized administration, while the full and menu-based CLI provide local command-line configuration options.
CBS350-48NGP-4X provides a shared 740W PoE budget across forty-eight powered access ports, with eight ports supporting 60W PoE. The remaining ports support PoE+. Endpoint requests must fit the aggregate allocation; the presence of a powered connector does not reserve that connector's maximum output independently of other devices.
CBS350-48NGP-4X has four fixed 10G uplink connections: two dedicated SFP+ ports and two copper/SFP+ combo ports. Each combo port uses one medium at a time. Compatible fiber options include SFP-10G-SR and SFP-10G-LR, so specify the required optics and matching fiber separately from the base switch order.
CBS350-48NGP-4X supports hardware stacking with four members managed as one system through a single IP address. Ring and chain arrangements are supported, with active and standby stack control. Stack interconnects use 10G interfaces, so account for those connections when allocating interfaces between stacking and upstream network connectivity.
The Business 350 switch supports static IPv4 routing, RIP v2 and PBR, placing this configuration in Layer 2+ for selection purposes. Static routing supports 990 routes and 128 IP interfaces. Routed interfaces can use physical ports, link aggregation groups, VLAN interfaces or loopback interfaces, depending on the configured network design.
CBS350-48NGP-4X is discontinued: end of sale was May 30, 2024, and software maintenance and vulnerability support ended May 30, 2025. The last date of support is May 31, 2029, subject to entitlement. No migration product is named for this model, so an order does not restart those lifecycle milestones.
CBS350-48NGP-4X replaces the matching regional SG350X-48PV variants: SG350X-48PV-K9-AR, SG350X-48PV-K9-AU, SG350X-48PV-K9-BR, SG350X-48PV-K9-EU, SG350X-48PV-K9-IN, SG350X-48PV-K9-JP, SG350X-48PV-K9-NA and SG350X-48PV-K9-UK. Those predecessors reached end of sale July 30, 2022. This replacement is itself discontinued, and no subsequent migration product is named for the line.
CBS350-48NGP-4X provides 240 Gbps switching capacity and 178.56 Mpps forwarding performance for 64-byte packets. Its 6 MB packet buffer is shared dynamically across the ports. The switch also has 512 MB DRAM and 256 MB flash; packet-buffer capacity is separate from the memory used for management and firmware storage.
CBS350-48NGP-4X has a 740W PoE budget, whereas CBS350-48P-4X has a 370W budget. Both budgets are shared across connected powered endpoints. For existing equipment and replacement inventory, the larger allocation suits a higher combined endpoint load; the smaller allocation suits a deployment whose powered-device requests fit within 370W.
CBS350-48NGP-4X has forty-eight access ports, whereas CBS350-24NGP-4X has twenty-four. Both configurations include eight multigigabit access ports, but the larger model adds more Gigabit connections. Both are discontinued without a named migration product; replacement-stock selection therefore follows whether the existing installation needs twenty-four or forty-eight endpoint connections.
CBS350-48NGP-4X provides four 10G uplink connections, while CBS350-48FP-4G provides four 1G SFP uplinks. This changes the upstream interface speed available to the installation. For existing networks, the first configuration accommodates 10G upstream links; the second matches an upstream design that uses Gigabit fiber connections.
ORM Systems offers CBS350-48NGP-4X new sealed or certified refurbished, with ORM warranties of up to 3-year extended coverage for new units and up to 1 year for refurbished units. Returns are 30 days for every condition; terms apply. Cisco's separate limited lifetime hardware warranty is bounded by May 31, 2029, subject to entitlement.
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