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SF350-24-K9-NA
Cisco SF350-24-K9-NA 350 24-Port Fast Ethernet Switch, 2x1G...
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SF350-24-K9-NA is a fanless, Layer 2+ managed switch in the Cisco 350 Series, carrying 24 Fast Ethernet access ports, four fixed Gigabit uplinks, and no PoE output. The uplinks comprise two dedicated SFP connections plus two copper/SFP combo connections, with only one medium active per combo port. Its rack-mount 1U enclosure belongs to the Cisco Small Business line and serves separately powered endpoints. The discontinued SF350-24P-K9-NA adds PoE+ endpoint power, distinguishing that configuration from this non-PoE model. Fixed uplinks provide copper or fiber connectivity without a removable uplink card.
SF350-24-K9-NA price for new stock is is available on request. Get immediate quote. SF350-24-K9-NA refurb price is $305.41.
Request bulk order quote for SF350-24-K9-NA for additional pricing. Browse the full Cisco SF350 Switches series or explore all Cisco products.
12.8 Gbps switching capacity handles traffic across the access and uplink connections, while 9.52 Mpps forwarding at a 64-byte packet size establishes the packet-processing limit. 990 static IPv4 routes and 128 IP interfaces bound the routing configuration; PBR provides next-hop selection using traffic policies. SF350-24-K9-NA uses 512 MB of CPU memory and 256 MB of flash for management software and stored images. A dynamically shared 1.5 MB packet buffer spans all ports, while eight hardware queues support traffic scheduling. STP/RSTP/MSTP control Layer 2 topology, and LACP groups eligible links. Browser administration includes simple and advanced configuration modes, with Textview CLI providing command-based management. RADIUS and TACACS+ support centralized authentication; DHCP snooping, IP Source Guard, and Dynamic ARP Inspection enforce address bindings. 10.9W worst-case system consumption at 220V establishes the electrical allowance for the non-PoE hardware. The fixed Gigabit connections do not provide a 10G uplink option.
Order SF350-24-K9-NA new sealed or certified refurbished, specifying condition, quantity, and required accessories on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, optics bay recognition, PSU status, and clean boot; firmware is verified and configurations are wiped to factory default. ORM warranties provide new units with up to a 3-year extended term and certified refurbished units with up to 1 year; returns are 30 days on every condition, and terms apply. ORM Systems accepts POs for enterprise and volume orders, offers Net-30 for government and RMA with advance replacement, and provides regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24x10/100 RJ-45 / 2x1G combo / 2x1G SFP |
Max Power Draw | 10.9W |
Cooling | Fanless |
Lifecycle Status | End of sale January 29, 2023 |
Replacement PID | C1300-24T-4G / CBS350-24T-4G-NA (discontinued intermediate) |
When replacing a discontinued SRW224G4-K9-NA in an existing network, retain the endpoint inventory and original port assignments before selecting replacement hardware. SF350-24-K9-NA is the named replacement in that migration history. Treat configuration staging as a separate preparation step, and check the intended management settings and required condition before the purchase order.
For a lab or staging bench that needs repeatable configuration transfers, the front-panel USB Type-A slot provides local file and image handling. Dual firmware images support upgrade preparation. Prepare the intended configuration files separately from the hardware order, then specify the required image baseline and staging procedure before the purchase order.
For multiple small-business sites using an existing network management station, SNMP versions 1, 2c, and 3 provide remote monitoring and management paths. Select the method already used by the estate rather than introducing a different administration workflow at each location. Check credentials, management access policies, and the required quantities before the purchase order.
Gigabit speeds on all access ports
The 24 access ports stop at 100 Mbps; Gigabit connectivity is confined to uplinks. C1300-24T-4G is the current migration model with 24 Gigabit access ports.
PoE power for connected endpoints
SF350-24-K9-NA supplies no endpoint power over Ethernet. C1300-24P-4G is a current 24-port Gigabit PoE alternative, changing access speed as well as endpoint powering.
10G uplinks to distribution
Fixed Gigabit uplinks cap individual links at 1 Gbps, without a removable uplink card. C1300-24T-4X provides four 10G SFP+ uplinks and 24 Gigabit access ports.
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| SF350-24-K9-NA |  SF350-24MP-K9-NA |  SF350-08-K9-UK |  SF350-48MP-K9-NA |  SF350-08 | |
|---|---|---|---|---|---|
| Depth | 202 mm | 257 mm | 170 mm | 350 mm | 170 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Desktop | Rack-Mount 1U | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SF350-24-K9-NA | SF350-24MP-K9-NA | SF350-08-K9-UK | SF350-48MP-K9-NA | SF350-08 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Switching Capacity | 12.8 Gbps | 12.8 Gbps | 1.6 Gbps | 17.6 Gbps | 1.6 Gbps |
| Weight | 2.72 kg | 4.12 kg. | 1.18 kg | 5.61 kg. | 1.18 kg. |
| Width | 440 mm | 440 mm | 279.4 mm | 440 mm | 279.4 mm |
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SF350-24-K9-NA identifies the 350 Series Fast Ethernet managed configuration: SF350 denotes the model family, 24 denotes the access-port count, and NA selects the United States, Canada, Mexico, Colombia, Chile, and remaining Latin American markets. The complete configuration includes two Gigabit copper/SFP combo connections and two dedicated SFP uplinks.
SF350-24-K9-NA supports HTTP/HTTPS web management, Textview CLI through the RJ-45 console or SSH/Telnet, SNMP, Smart Network Application, and FindIT Network Manager and Probe. FindIT Network Discovery Utility supplies discovery and device information. The built-in browser dashboard supports monitoring alongside simple and advanced configuration modes.
Cisco ended sales of SF350-24-K9-NA on January 29, 2023, and final support ends January 31, 2028. Software maintenance ended January 29, 2024. The direct replacement CBS350-24T-4G-NA is also discontinued, with its sales ending October 29, 2024; the forward migration chain now ends at C1300-24T-4G.
ORM Systems offers SF350-24-K9-NA new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on refurbished units. Returns are 30 days for every condition; terms apply. Cisco's separate Limited Lifetime hardware warranty is bounded by the final service date of January 31, 2028.
SF350-24-K9-NA replaces SRW224G4-K9-NA, the discontinued 24-port 10/100 managed model with Gigabit uplinks. The older identifier belongs to the previous Small Business switch generation. Replacement preparation still includes the intended port assignments, management credentials, and network settings; the hardware migration relationship does not configure the replacement automatically.
No, SF350-24-K9-NA does not provide PoE power to attached devices. Phones, access points, and cameras need independent power arrangements rather than drawing power from these access ports. The internal AC supply powers the switch itself; the non-PoE configuration does not include an endpoint power budget.
MGBSX1 and MGBLX1 are supported fiber transceivers for Cisco 350 Series switches. MGBSX1 supports multimode links to 500 m, while MGBLX1 supports single-mode links to 10 km. Both operate at 1 Gbps; the selected transceiver must match the fiber medium and intended link distance.
The Cisco 350 Series supports static IPv4 routing with 990 static routes and 128 IP interfaces, together with PBR for next-hop selection. IPv6 packet routing is also supported. Static routes use configured forwarding paths, so the intended routing configuration must fit the available interface and route limits.
Yes, the 24-port Fast Ethernet managed switch SF350-24-K9-NA uses a full-width 1U rack-mount enclosure. The chassis measures 440 mm wide, 44 mm high, and 202 mm deep, and weighs 2.72 kg. Fanless cooling removes fan noise, while the operating temperature range is 0°C to 50°C.
SF350-24P-K9-NA adds PoE+ to 24 Fast Ethernet access ports and carries a 185W power budget, whereas SF350-24-K9-NA supplies no endpoint power. Both configurations are discontinued. For like-for-like legacy orders, the powered model serves PoE endpoints; the non-PoE model serves devices using separate power connections.
SF350-48-K9-NA provides 48 Fast Ethernet access ports where SF350-24-K9-NA provides 24. Both configurations are discontinued members of the Cisco 350 Series. The 48-port configuration fits legacy orders requiring greater connection density; the 24-port configuration fits smaller replacement requirements without changing the Fast Ethernet access speed.
C1300-24T-4G provides 24 Gigabit access ports where SF350-24-K9-NA provides 24 Fast Ethernet access ports. C1300-24T-4G is the current endpoint of the forward migration chain. The current model fits refreshes requiring Gigabit endpoint links; the older unit fits like-for-like legacy replacement orders retaining 100 Mbps access connections.
United States
