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CBS350-24P-4G-NA
Cisco CBS350-24P-4G-NA Business 350 24-Port Gigabit PoE+ Swi...
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CBS350-24P-4G-NA is a fanless managed Layer 2+ switch with 24 Gigabit Ethernet PoE+ access ports and four fixed 1G SFP uplinks in a rack-mount 1U chassis. The Cisco Business 350 Series serves small-office networks connecting computers, IP phones, wireless access points and surveillance devices. Copper access connections carry endpoint traffic and power, while the separate fiber interfaces connect the access network to upstream equipment. Guest VLANs and port authentication support configurations that separate visitor access from internal business devices. Dynamic ARP inspection and DHCP snooping provide additional controls against address spoofing. The discontinued CBS350-24T-4G-NA sibling omits PoE, distinguishing it for installations where endpoints receive power independently rather than through their network connections.
CBS350-24P-4G-NA price for new stock is $1,393.35, a 50% saving from the Cisco list price of $2,786.70. CBS350-24P-4G-NA refurb price is $605.85. CBS350-24P-4G-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-24P-4G-NA for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
56 Gbps switching capacity provides a nonblocking fabric for traffic crossing the switch. 41.66 Mpps forwarding at 64-byte packets supplies the packet-rate figure for assessing small-packet workloads. 195W of shared PoE power requires endpoint demand to be allocated across the powered connections rather than treated as a full allowance for each port. Static routing, RIP v2 and PBR handle local routing requirements, with 990 static routes available for configured destinations. CBS350-24P-4G-NA carries 512 MB of DRAM and 256 MB of flash for control software and local image storage. A dynamically shared 1.5 MB packet buffer serves traffic across the interfaces, while the MAC table accommodates 16000 entries. Within Cisco Business, browser-based administration provides local configuration; Cisco Business Dashboard and the mobile app provide additional management paths. SNMP versions 1, 2c and 3 support monitoring integration. Hardware stacking is unavailable on this model, so centralized monitoring does not create a shared stack control plane.
Choose new sealed or certified refurbished CBS350-24P-4G-NA and specify condition, quantity and required accessories on the PO. Certified refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port; firmware is verified and configuration wiped to factory default. ORM's new warranty is up to 3-year extended and certified refurbished warranty up to 1 year, with 30-day returns on every condition, terms apply; Cisco's separate limited lifetime warranty is bounded by October 31, 2029. POs are accepted, with Net-30 for government, RMA with advance replacement and regional stock/RMA across the UK, EU, US and MEA for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 4 x 1G SFP |
PoE Budget | 195W shared |
Cooling | Fanless |
Replaces | SG350-28P-K9-NA end-of-sale 2021-10-30 / SF350-24P-K9-NA end-of-sale 2023-01-29 |
Lifecycle Status | End of sale October 29, 2024 |
Replacement PID | C1300-24P-4G |
During replacement of discontinued SG350-28P-K9-NA or SF350-24P-K9-NA hardware, existing port assignments and saved configuration should be reviewed rather than copied unchecked. CBS350-24P-4G-NA replaces both models. Inventory endpoint connections, map the required configuration, and specify the exact regional PID and condition before the PO.
A branch consolidation that moves local gateway interfaces onto the access switch must fit within 128 IP interfaces. Physical ports, VLAN interfaces, link aggregation interfaces and loopback interfaces can carry routed configuration. Review the interface inventory and addressing plan, then specify the required configuration before the PO.
Across multiple small-office sites, administrator access can be standardized around CLI privilege levels 1, 7 and 15. Full and menu-based CLI modes support different operating procedures, while scriptable configuration allows a common staging method. Define role assignments and the required staging configuration before placing the volume PO.
10G fiber uplinks to distribution
Fixed uplinks stop at 1G, with no removable uplink card to raise that speed. Specify C1300-24P-4X instead for four 10G SFP+ uplinks.
Hardware stacking with a shared control plane
CBS350-24P-4G-NA does not support hardware stacking. Dashboard management does not combine independent switches into a hardware stack, so this model cannot join a shared stack control plane.
Continuing security fixes for new deployments
Vulnerability/security support ended October 29, 2025, despite hardware support continuing later. Evaluate the current C1300-24P-4G replacement when a new purchase requires continuing security maintenance.
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| CBS350-24P-4G-NA |  CBS350-48FP-4G |  CBS350-48T-4X |  CBS350-48P-4G-NA |  CBS350-16P-E-2G-NA | |
|---|---|---|---|---|---|
| Depth | 299 mm | 350 mm | 288 mm | 350 mm | 210 mm |
| Ethernet Technology | 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 | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-24P-4G-NA | CBS350-48FP-4G | CBS350-48T-4X | CBS350-48P-4G-NA | CBS350-16P-E-2G-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 239.7W | 886.42W | 51.01W | 451.95W | 150.1W |
| Switching Capacity | 56 Gbps | 104 Gbps | 176 Gbps | 104 Gbps | 36 Gbps |
| Weight | 3.53 kg | 5.82 kg | 3.95 kg | 5.43 kg | 1.42 kg |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 268 mm |
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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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CBS350-24P-4G-NA identifies a Cisco Business 350 managed switch: 24 denotes the copper access-port count, P denotes PoE+, 4G denotes four Gigabit SFP uplinks, and NA selects the regional version for the United States, Canada, Mexico, Colombia, Chile and the rest of Latin America.
CBS350-24P-4G-NA supports a web UI over HTTP/HTTPS, CLI through the RJ-45 console, SSH or Telnet, Cisco Business Dashboard, the Cisco Business mobile app and SNMP versions 1, 2c and 3. Cisco Network Plug and Play handles provisioning, while an embedded Dashboard probe removes the separate probe-host requirement.
Yes, CBS350-24P-4G-NA reached end of sale on October 29, 2024. Software maintenance and vulnerability/security support ended October 29, 2025. The last date of support is October 31, 2029, so remaining hardware support does not mean the switch continues receiving software fixes.
ORM Systems offers CBS350-24P-4G-NA 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 limited lifetime warranty is bounded by the last date of support, October 31, 2029.
No, CBS350-24P-4G-NA requires no switch license or subscription. The hardware order therefore does not need a minimum software term or a separate network-license tier. Specify condition, accessory requirements and quantities separately from any optional services included in the quotation or purchase order.
CBS350-24P-4G-NA replaces the discontinued SG350-28P-K9-NA and SF350-24P-K9-NA. SG350-28P-K9-NA reached end of sale on October 30, 2021; SF350-24P-K9-NA followed on January 29, 2023. Existing configurations and endpoint connections should be reviewed during replacement rather than assuming an unchanged configuration can be transferred directly.
CBS350-24P-4G-NA provides a shared 195W PoE budget across 24 PoE+ access ports. The allowance is allocated across connected endpoints rather than reserved in full for each port. Sum the requirements of phones, wireless access points and surveillance devices before approving the powered-endpoint configuration on the order.
Cisco Business 350 Gigabit SFP uplinks support MGBSX1 for multimode fiber and MGBLX1 for single-mode fiber. MGBSX1 is rated for 500 m; MGBLX1 is rated for 10 km. Match the fiber type, distance and remote-port specification, and list the selected transceiver PID separately on the order.
Cisco Business 350 supports IPv4 static routing, RIP v2 and PBR, with limits of 990 static routes and 128 IP interfaces. Routed interfaces can be configured on physical ports, link aggregation groups, VLANs or loopbacks. Check both the destination inventory and interface requirements before specifying local gateway duties.
Yes, CBS350-24P-4G-NA has a rack-mount 1U chassis measuring 445 mm wide, 299 mm deep and 44 mm high, with a weight of 3.53 kg. The base package includes a mounting kit. Confirm mounting hardware inclusion and sufficient cabinet depth when specifying the order condition.
No, CBS350-24P-4G-NA cannot join a hardware stack. Hardware stacking is limited to other named Business 350 models with suitable high-speed interfaces. Cisco Business Dashboard can provide centralized management, but that management arrangement does not combine this model with other switches into a shared stack control plane.
CBS350-24P-4G-NA supplies PoE+ to connected endpoints, whereas CBS350-24T-4G-NA does not provide PoE. Both models are discontinued. For replacement stock, CBS350-24P-4G-NA suits connections that must supply endpoint power; CBS350-24T-4G-NA suits equipment powered independently, without needing a switch-side PoE allowance.
CBS350-24P-4G-NA carries four 1G SFP uplinks, whereas CBS350-24P-4X-NA carries four 10G SFP+ uplinks. Both models are discontinued. For matching replacement stock, CBS350-24P-4G-NA fits existing Gigabit uplink connections; CBS350-24P-4X-NA fits installations that already require the higher-speed uplink configuration.
CBS350-24P-4G-NA reached end of sale on October 29, 2024, while C1300-24P-4G is its current replacement. The migration retains the 24-port Gigabit PoE configuration with four 1G SFP uplinks. CBS350-24P-4G-NA suits exact-model sparing; C1300-24P-4G is the replacement to evaluate for a new purchase.
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