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CBS350-24T-4G-NA
Cisco CBS350-24T-4G-NA Business 350 24-Port Gigabit Switch,...
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CBS350-24T-4G-NA is a fanless, managed Layer 2+ switch with 24 Gigabit copper access ports and four fixed 1G SFP uplinks for small-office networks with externally powered endpoints. The rack-mount 1U chassis belongs to the Cisco Business 350 Series and supplies no PoE output. Desktops, printers and other locally powered devices connect through the copper ports, while dedicated SFP connections provide upstream connectivity without occupying access ports. The discontinued CBS350-24P-4G-NA differs by adding PoE+ with a shared 195W budget for endpoint power. Private VLAN Edge isolates devices within the same VLAN, while port security limits learned source addresses at the access edge. These controls support managed endpoint separation without requiring a separate switch for each device group.
CBS350-24T-4G-NA price for new stock is $626.85, a 23.6% saving from the Cisco list price of $820.41. CBS350-24T-4G-NA refurb price is $444.15. CBS350-24T-4G-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-24T-4G-NA for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
56 Gbps switching capacity provides a wire-speed, nonblocking fabric for the built-in connections. 41.66 Mpps forwarding with 64-byte packets defines the packet-rate ceiling when assessing small-packet traffic. Static IPv4 routing supports 990 routes, while RIP v2 provides dynamic route exchange and PBR selects next hops by policy. CBS350-24T-4G-NA carries 512 MB of DRAM and 256 MB of flash for system operation and software storage. A dynamically shared 1.5 MB packet buffer serves traffic across the ports. STP, RSTP and MSTP handle loop control; LACP supports aggregated links. Cisco Business management includes a browser interface, a scriptable CLI and SNMP for configuration and monitoring. DHCP snooping, IP Source Guard and Dynamic ARP Inspection check address bindings at the edge. Hardware stacking is not supported on this model. Eight hardware queues with strict-priority or weighted round-robin scheduling separate traffic classes before transmission, allowing administrators to assign different treatment to competing application flows.
ORM Systems offers CBS350-24T-4G-NA new sealed or certified refurbished; refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, optics bay recognition and PSU status, with firmware verified and configurations wiped to factory default. New units carry up to a 3-year extended ORM warranty, certified refurbished units up to 1 year, and every condition includes 30-day returns; terms apply. Specify the required condition and quantity on the PO. Enterprise and volume orders support PO acceptance, Net-30 for government and RMA with advance replacement, with regional stock/RMA coverage across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G copper / 4 x 1G SFP |
Max Power Draw | 25.91W at 110V AC |
Cooling | Fanless |
Replaces | SG350-28-K9-NA, end-of-sale October 30, 2021 / SF350-24-K9-NA, end-of-sale January 29, 2023 |
Lifecycle Status | End of sale: October 29, 2024 |
Replacement PID | C1300-24T-4G |
When an office refresh introduces separate workgroups, the switch supports 128 IP interfaces and 4094 simultaneous VLANs. The interface ceiling matters independently of the number of attached endpoints. Map the required routed interfaces and VLAN inventory before specifying the configuration on the purchase order.
When a staging bench must reproduce an intermittent endpoint fault, port mirroring can send traffic from eight source ports to one analyzer destination. Dual software images also support firmware staging. Reserve the analyzer connection and identify the required software image before ordering the lab unit.
When several offices need a common provisioning process, Cisco Network Plug and Play with PnP Connect provides a shared rollout path, while the embedded Cisco Business Dashboard Probe avoids a separate probe appliance. Confirm the provisioning workflow and dashboard arrangement before placing the branch purchase order.
PoE-powered phones or access points
CBS350-24T-4G-NA supplies no endpoint power. C1300-24P-4G is the current replacement for the discontinued PoE sibling, retaining 24 Gigabit access ports and four 1G SFP uplinks.
10G uplinks to distribution
The four fixed SFP uplinks stop at 1G. C1300-24T-4X provides four 10G SFP+ uplinks while retaining 24 Gigabit access ports without PoE.
Hardware stacking across multiple switches
CBS350-24T-4G-NA does not support hardware stacking; centralized dashboard management does not combine several units into one forwarding system or create cross-switch stack links.
Mon–Fri: [09:00-16:00]
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| CBS350-24T-4G-NA |  CBS350-48P-4G-UK |  CBS350-16P-E-2G |  CBS350-12XT |  CBS350-24NGP-4X | |
|---|---|---|---|---|---|
| Depth | 240 mm | 350 mm | 210 mm | 203 mm | 350 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet | Multi-Gigabit (2.5G/5G) |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-24T-4G-NA | CBS350-48P-4G-UK | CBS350-16P-E-2G | CBS350-12XT | CBS350-24NGP-4X |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 25.91W | 451.95W | 150.1W | 64.1W | 488.9W |
| Switching Capacity | 56 Gbps | 104 Gbps | 36 Gbps | 240 Gbps | 192 Gbps |
| Weight | 2.63 kg | 5.43 kg. | 1.42 kg | 2.93 kg. | 5.3 kg |
| Width | 445 mm | 445 mm | 268 mm | 440 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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CBS350-24T-4G-NA identifies a Cisco Business 350 switch: 24T denotes 24 copper 10/100/1000 ports without PoE, and 4G denotes four Gigabit SFP uplinks. NA is the regional ordering suffix for the United States, Canada, Mexico, Colombia, Chile and the rest of Latin America, not a software license tier.
CBS350-24T-4G-NA supports a web UI over HTTP/HTTPS, CLI access through the RJ-45 console or SSH/Telnet, SNMP versions 1, 2c and 3, Cisco Business Dashboard, and the Cisco Business mobile app. The CLI offers full command and menu-based interfaces; management access should be specified consistently across the installation.
CBS350-24T-4G-NA is discontinued: end of sale was October 29, 2024, and the last date of support is October 31, 2029. Software maintenance and vulnerability/security support ended October 29, 2025. C1300-24T-4G is the current migration model for orders requiring the successor.
ORM Systems offers CBS350-24T-4G-NA new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Returns are 30 days on every condition; terms apply. Cisco provides a limited lifetime hardware warranty, bounded by the October 31, 2029 last date of support.
CBS350-24T-4G-NA replaces the discontinued SG350-28-K9-NA and SF350-24-K9-NA. SG350-28-K9-NA reached end of sale on October 30, 2021; SF350-24-K9-NA followed on January 29, 2023. These mappings distinguish an installed-base replacement order from a new-design purchase, for which C1300-24T-4G is the current successor.
CBS350-24T-4G-NA accepts MGBSX1 for 1G multimode fiber connections to 500 m and MGBLX1 for 1G single-mode connections to 10 km. Transceivers are separate order items. Match the fiber type and the remote-end optics before selecting the transceiver for each link.
No, CBS350-24T-4G-NA does not support hardware stacking. Cisco Business Dashboard can manage the switch, but dashboard visibility does not turn separate switches into one hardware stack. Buyers extending an existing stacked installation need to distinguish centralized management from actual stack-member compatibility before placing an order.
CBS350-24T-4G-NA supports static IPv4 routing, RIP v2 and PBR, with 990 static routes and 128 IP interfaces. RIP v2 exchanges routes dynamically; PBR steers matching traffic toward selected next hops. Check both interface demand and static-route requirements before fixing the configuration.
CBS350-24T-4G-NA is a rack-mount 1U switch measuring 445 mm wide, 240 mm deep and 44 mm high, with a weight of 2.63 kg. A mounting kit is included with the switch. Allow the required equipment clearance and confirm the mounting hardware when specifying the order.
CBS350-24T-4G-NA uses a fixed internal AC supply accepting 100-240V AC and has no redundant PSU option. Worst-case system consumption is 25.91W at 110V. The supply is included, so this model does not require a separately selected external power adapter or a second internal power module.
CBS350-24P-4G-NA adds 24 PoE+ ports and a shared 195W budget where CBS350-24T-4G-NA supplies data only. Both models are discontinued. The non-PoE model fits externally powered endpoints; the PoE model covers replacement requirements for an existing powered-access installation.
CBS350-24T-4X-NA has four 10G SFP+ uplinks, while CBS350-24T-4G-NA has four 1G SFP uplinks. Both models are discontinued. The 4G model fits existing Gigabit uplink standards; the 4X model addresses replacement requirements in installations already using 10G distribution connections.
C1300-24T-4G is the current migration model for the discontinued CBS350-24T-4G-NA; both retain 24 Gigabit access ports and four 1G SFP uplinks. The CBS350 model addresses installed-base replacement needs, while the Catalyst 1300 model suits buyers specifying the current product for a new purchase.
United States
