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SG250-18-K9
Cisco SG250-18-K9 250 Smart Switches 16-Port Gigabit Switch,...
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SG250-18-K9 is a fanless, smart-managed switch with 16 Gigabit access ports and two fixed copper/SFP combo uplinks. The rack-mount Cisco 250 Series Smart Switch connects separately powered equipment without supplying PoE. The discontinued SG250-26HP-K9-NA adds PoE+ for powered endpoints. Match the required endpoint power and uplink connections before selecting this legacy model.
SG250-18-K9 price is is available on request. Get immediate quote.
Request bulk order quote for SG250-18-K9 for additional pricing. Browse the full Cisco SG250 Switches series or explore all Cisco products.
36 Gbps switching capacity and 26.78 Mpps forwarding performance describe separate bandwidth and packet-rate limits. SG250-18-K9 supports static routing rather than dynamic routing. Plan the required routes, interface assignments, management access, and uplink media before approving the configuration. The Cisco SG250-18 18-Port Gigabit Smart Switch uses shared copper/SFP interfaces, so each uplink pair requires a media choice.
ORM Systems offers SG250-18-K9 new sealed or certified refurbished, with up to a 3-year extended warranty for new units, up to 1 year for certified refurbished units, and 30-day returns on every condition; terms apply. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, optics bay recognition, and PSU status; firmware is verified and configurations are wiped to factory default. Specify the required condition and quantity on the purchase order; Cisco's limited lifetime hardware warranty includes 1-year power-supply coverage, and Cisco service ends October 31, 2026. Enterprise and volume orders support PO acceptance, Net-30 for government, and RMA with advance replacement, with regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 16 x 1G / 2 x 1G copper/SFP combo |
Max Power Draw | 13.1W |
Cooling | Fanless |
Replaces | SLM2016T-AU / SLM2016T-EU / SLM2016T-JP / SLM2016T-NA / SLM2016T-UK; end-of-sale 2018-10-04 |
Lifecycle Status | End-of-sale October 30, 2021; support ends October 31, 2026 |
Replacement PID | C1200-16T-2G |
When replacing discontinued SLM2016T-NA or SLM2016T-UK hardware in a retained network, distinguish historical replacement compatibility from a modernization project. Both predecessors reached end of sale on October 4, 2018. Specify whether the purchase is for matching spares or an approved configuration migration before issuing the order.
For a multisite purchase using the region-neutral catalog number, retain destination-specific ordering forms: SG250-18-K9-NA for the United States, SG250-18-K9-UK for the United Kingdom, or SG250-18-K9-EU for applicable European destinations. Confirm the regional form, supplied power cord, quantity, and delivery destination on each purchase-order line.
Switch-powered phones or access points
SG250-18-K9 does not supply PoE. C1200-16P-2G provides 16 Gigabit PoE ports and two 1G SFP uplinks for purchases requiring endpoint power from the switch.
10G uplinks to distribution
SG250-18-K9 uplinks stop at 1G. C1200-24T-4X provides four 10G SFP+ uplinks, but also increases access-port density to 24 Gigabit copper ports.
Mon–Fri: [09:00-16:00]
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| SG250-18-K9 |  SG250-26 |  SG250-50P |  SG250-08HP-K9-NA |  SG250-18-K9-UK | |
|---|---|---|---|---|---|
| Depth | 202 mm | 202 mm | 350 mm | 128 mm | 202 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 | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 30 mm | 44 mm |
| Manufacturer Part Number | SG250-18-K9 | SG250-26 | SG250-50P | SG250-08HP-K9-NA | SG250-18-K9-UK |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 13.1W | 18.9W | 481.9W | 61.4W | 13.1W |
| Switching Capacity | 36 Gbps | 52 Gbps | 100 Gbps | 16 Gbps | 36 Gbps |
| Width | 440 mm | 440 mm | 440 mm | 160 mm | 440 mm |
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SG250-18-K9 identifies the 250 family's Gigabit smart switch with 18 usable interfaces: 16 dedicated copper ports and two copper/SFP combo ports. Regional forms add a destination suffix, including SG250-18-K9-NA for the United States. Preserve the complete regional identifier when matching an existing order.
SG250-18-K9 supports HTTP/HTTPS administration, full or menu-based CLI over SSH or Telnet, and SNMP. Other management options include Smart Network Application, FindIT Network Manager, embedded FindIT Network Probe, FindIT Network Discovery Utility, and Cisco Active Advisor. Specify permitted access methods before deployment.
SG250-18-K9 is discontinued: end of sale was October 30, 2021, and Cisco support ends October 31, 2026. Software maintenance ended October 30, 2022. Its original replacement, CBS250-16T-2G-NA, is also discontinued; the migration chain now reaches C1200-16T-2G.
SG250-18-K9 replaced SLM2016T-AU, SLM2016T-EU, SLM2016T-JP, SLM2016T-NA, and SLM2016T-UK through corresponding regional ordering forms. These predecessors reached end of sale on October 4, 2018. Treat this as a historical replacement relationship, not an indication that the SG250 model remains current.
No, SG250-18-K9 permits only one active connection per copper/SFP combo pair. Select copper or fiber for each pair when allocating uplinks; the paired connectors are not independent network interfaces.
Yes, SG250-18-K9 supports static routing with 32 IPv4 routes and 16 IP interfaces. Check both limits against the intended configuration before assigning routing duties to the switch.
SG250-26HP-K9-NA supplies PoE+ with a shared 100W budget, whereas SG250-18-K9 supplies no endpoint power. Both are discontinued. Within retained installations, the non-PoE model serves separately powered equipment; the powered variant requires endpoint demand to fit its shared budget.
SG250-18-K9 uses an internal AC supply, while SG250-08-K9-NA accepts an external adapter or PoE input. Both are discontinued. Match the internal-supply model to an existing local power arrangement; assess the smaller model only for retained adapter-powered or upstream-powered installations.
C1200-16T-2G provides two separate 1G SFP uplinks, while SG250-18-K9 shares each uplink between copper and SFP. Both have 16 dedicated Gigabit copper ports. The SG250 model addresses retained configurations; C1200-16T-2G is the current migration endpoint after the discontinued CBS250-16T-2G-NA.
ORM Systems offers SG250-18-K9 new sealed or certified refurbished. New units carry up to a 3-year extended warranty; refurbished units carry up to 1 year. Every condition has 30-day returns; terms apply. Cisco's limited lifetime hardware warranty, with 1-year power-supply coverage, ends no later than October 31, 2026.
United States
