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SG350-28SFP-K9-EU
Cisco SG350-28SFP-K9-EU 350 24-Port Gigabit SFP Switch, 4x1G...
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SG350-28SFP-K9-EU is a fiber-focused managed Layer 2+ switch with 24 dedicated Gigabit SFP access slots and four fixed Gigabit uplink interfaces: two dedicated SFP slots and two copper/SFP combo ports. Each combo interface activates either its copper connection or its SFP cage, not both simultaneously, keeping the configuration at 28 logical network ports. The non-PoE, 1U rack-mount chassis belongs to the Cisco 350 Series Managed Switches and serves small-business networks connecting fiber-fed network segments rather than directly powering endpoints. The discontinued SG350-28P-K9-EU instead provides PoE+ copper access, so these models are not interchangeable endpoint-port configurations. Fiber connections can link switches across floors or between business network segments while preserving separate VLANs for different traffic requirements.
SG350-28SFP-K9-EU price for new stock is is available on request. Get immediate quote. SG350-28SFP-K9-EU refurb price is $1,151.04.
Request bulk order quote for SG350-28SFP-K9-EU for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
56 Gbps switching capacity supports nonblocking traffic handling across the available interfaces. 41.66 Mpps forwarding performance applies to 64-byte packets, providing a separate packet-processing limit for small-frame traffic. Static IPv4 routing supports 990 routes and 128 IP interfaces for communication between locally defined networks; PBR directs selected traffic toward specified next hops. SG350-28SFP-K9-EU uses 512 MB of memory and 256 MB of flash for switch operation and software storage. A 1.5 MB packet buffer is dynamically shared across ports rather than reserved equally for each connection. STP/RSTP/MSTP and LACP provide loop-control and link-aggregation options, while private VLANs separate traffic between attached network segments. The SG350-28SFP supports browser-based configuration and a scriptable CLI, with SNMP available for monitoring integration. Dual software images provide an alternate image during firmware maintenance. Dynamic routing is not included, and the fixed optical interfaces do not provide 10G connectivity.
Order SG350-28SFP-K9-EU new sealed or certified refurbished, with ORM warranties of up to 3-year extended coverage on new units and up to 1 year on certified refurbished units. Refurbished units are inspected and bench-tested for rated-speed links on every port and optics bay recognition; firmware is verified and configurations are wiped to factory default. Cisco's original limited lifetime hardware warranty is bounded by July 31, 2027; ORM provides 30-day returns on every condition, terms apply. Specify condition and optics on your PO; POs are accepted, with Net-30 for government and RMA with advance replacement for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24x1G SFP access / 2x1G SFP uplinks / 2x1G combo uplinks |
Max Power Draw | 34.3W |
Cooling | 1 fan |
Lifecycle Status | End of sale July 30, 2022 |
Replacement PID | CBS350-24S-4G-EU (discontinued) / No current migration product |
When a branch rollout must connect existing fiber runs, select transceivers against the actual media and distance rather than the connector alone. MGBSX1 supports multimode links to 500 m, while MGBLH1 supports single-mode links to 40 km. Specify matching optics and the required link quantities before issuing the PO.
When several locations need a common configuration baseline, text-editable configuration files and autoconfiguration through SCP allow a prepared configuration to be distributed between switches. Keep site-specific addressing and authentication details separate from the shared template, and specify the staging configuration and secure file-transfer requirements before the PO.
When a staging lab needs packet captures before equipment enters service, port mirroring supports eight source ports feeding one destination port within a single session. That session limit determines which interfaces can be observed together. Specify the analyzer connection and required capture sources before ordering the lab configuration.
10G optical uplinks
All built-in optical interfaces operate at Gigabit Ethernet speed; the chassis does not provide SFP+ uplinks or a removable uplink card bay for higher-speed connections.
PoE power for attached endpoints
The copper combo connections carry network traffic without supplying PoE. Phones, cameras and access points requiring power through Ethernet cannot receive that power from this model.
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| SG350-28SFP-K9-EU |  SG350-52P-K9-UK |  SG350-28MP-K9-NA |  SG350-10-K9-EU |  SG350-10P-K9-NA | |
|---|---|---|---|---|---|
| Depth | 203 mm | 350 mm | 257 mm | 170 mm | 170 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 | Desktop | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG350-28SFP-K9-EU | SG350-52P-K9-UK | SG350-28MP-K9-NA | SG350-10-K9-EU | SG350-10P-K9-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 34.3W | 440W | 451.2W | 9.8W | 84.7W |
| SFP Ports | 26 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 56 Gbps | 104 Gbps | 56 Gbps | 20 Gbps | 20 Gbps |
| Weight | 2.7 kg | 3.81 kg | 3.37 kg | 1.09 kg | 1.19 kg. |
| Width | 440 mm | 440 mm | 440 mm | 280 mm | 280 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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SG350-28SFP-K9-EU identifies a Cisco 350 Gigabit managed SFP switch with 28 logical network ports and the EU regional ordering suffix. SG350 identifies the Gigabit managed model family, 28 identifies the total port configuration, and SFP identifies its fiber-oriented connections. EU covers the European Union and additional designated markets.
SG350-28SFP-K9-EU supports a web interface over HTTP/HTTPS, CLI access through the console or SSH/Telnet, and SNMP versions 1, 2c and 3. Network-level management options include Smart Network Application, Cisco FindIT Network Manager and Cisco Active Advisor. The web interface offers simple and advanced configuration modes.
SG350-28SFP-K9-EU is discontinued: end of sale was July 30, 2022, and the last date of support is July 31, 2027. Software maintenance ended July 30, 2023. Its named replacement, CBS350-24S-4G-EU, is also discontinued, and the replacement chain has no current migration product.
ORM offers SG350-28SFP-K9-EU new sealed or certified refurbished, with separate ORM and Cisco warranty terms. ORM provides up to 3-year extended coverage on new units, up to 1 year on certified refurbished units, and 30-day returns on every condition; terms apply. Cisco's original limited lifetime hardware warranty is bounded by July 31, 2027.
SG350-28SFP-K9-EU replaces the discontinued SG300-28SFP-K9-EU, maintaining a fiber-oriented Gigabit managed-switch role. The change does not turn a fiber installation into a copper-access configuration. For an existing installation, confirm transceiver requirements, shared copper connections and configuration migration needs before specifying the replacement unit on a purchase order.
SG350-28SFP-K9-EU has 26 dedicated Gigabit SFP slots and two Gigabit copper/SFP combo interfaces, providing 28 logical network ports. The dedicated optical connections comprise 24 access slots and two additional SFP uplinks. Each combo interface uses either copper or SFP, so its two connectors cannot operate simultaneously.
The Cisco 350 fiber switch supports MGBSX1 for multimode links to 500 m, MGBLX1 for single-mode links to 10 km, and MGBLH1 for single-mode links to 40 km. These transceivers operate at 1G. Select each connection against its fiber type, link distance and corresponding peer optics.
Yes, SG350-28SFP-K9-EU supports static IPv4 routing between configured networks, with 990 static routes and 128 IP interfaces. PBR can select next hops using traffic-matching rules. Routing interfaces can be associated with physical ports, link aggregation groups, VLANs or loopbacks; dynamic routing is not included in this model.
The SG350-28SFP uses an internal 100-240V AC supply and one cooling fan, with maximum power consumption of 34.3W. The operating temperature range is 0°C to 50°C. The fixed supply does not provide an internal redundant PSU option, so power continuity must be addressed outside the chassis.
SG350-28P-K9-EU provides 24 PoE+ copper access ports with a shared 195W budget, whereas SG350-28SFP-K9-EU provides 24 SFP access slots without PoE output. Both models are discontinued. The former addresses existing powered-copper endpoint installations; the latter suits buyers retaining fiber access connections rather than Ethernet-powered devices.
SG350-28SFP-K9-EU uses an internal AC supply, while SG350-10SFP-K9-EU uses an external AC supply and has eight dedicated SFP access slots rather than 24. Both models are discontinued. The larger chassis suits existing higher-density fiber installations; the smaller model addresses legacy installations with fewer fiber connections and external power.
SG350-52-K9-EU provides 48 copper access ports, while SG350-28SFP-K9-EU provides 24 SFP access slots. Both models are discontinued, and the access media differ as well as the port count. The copper model addresses existing high-density Ethernet endpoint installations; the SFP model addresses buyers preserving fiber-connected access networks.
United States
