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SG250-18-K9-UK
Cisco SG250-18-K9-UK 250 16-Port Gigabit Switch, 2x1G Combo...
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SG250-18-K9-UK is a fanless, Layer 2+ smart managed switch with 16 dedicated Gigabit copper access ports and two fixed Gigabit copper/SFP combo uplinks in a 1U rack-mount chassis. The Cisco 250 Series Smart Switches family serves small-business networks connecting computers, phones, and wireless access points; this non-PoE model connects independently powered endpoints rather than supplying power over Ethernet. Each combo connection uses either its copper interface or its SFP cage, not both simultaneously, so fiber use replaces the corresponding copper connection. Internal AC power avoids an external desktop adapter. The discontinued SG250-26HP-K9-UK adds PoE+ with a shared 100W budget and increases dedicated access connections to 24. Endpoint power requirements and the required access-port count therefore distinguish these configurations when matching an existing installation.
SG250-18-K9-UK price is is available on request. Get immediate quote.
Request bulk order quote for SG250-18-K9-UK for additional pricing. Browse the full Cisco SG250 Switches series or explore all Cisco products.
36 Gbps switching capacity provides wire-speed, nonblocking forwarding across the installed interfaces. 26.78 Mpps forwarding at 64-byte packet size defines the small-packet throughput ceiling. Static IPv4 routing supports 32 routes for communication between local network segments, while an external router handles upstream access and security. SG250-18-K9-UK has 512 MB of DRAM and 256 MB of flash for embedded software and configuration storage. An aggregate 12 Mb packet buffer is dynamically shared across all ports rather than reserved separately for each connection. STP, RSTP, and MSTP control redundant paths, while LACP supports four groups with eight active ports per group. Up to 255 active VLANs separate traffic, and eight hardware queues let scheduling policies distinguish voice, video, and other applications. The Cisco SG250-18 supports browser configuration alongside scripted administration for repeatable operational tasks. 13.1W maximum system consumption provides an electrical sizing allowance for the switching hardware, without an additional endpoint-power load.
ORM Systems offers SG250-18-K9-UK new sealed or certified refurbished; 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, with firmware verified and configuration wiped to factory default. Specify the condition, regional power-cord requirement, and quantity on the purchase order. New units carry up to 3-year extended warranty and certified refurbished units up to 1 year; every condition includes 30-day returns, terms apply, while Cisco's limited lifetime hardware warranty ends with Cisco service on October 31, 2026. Enterprise and volume orders accept POs, government Net-30, and RMA with advance replacement across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 16 x 1G copper / 2 x 1G copper/SFP combo |
Max Power Draw | 13.1W |
Cooling | Fanless |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | C1200-16T-2G |
When an existing office needs additional routed network segments without replacing its upstream router, the switch supports 16 IP interfaces. Physical ports, link aggregation groups, VLAN interfaces, and loopbacks can carry routed interfaces. Map the proposed interfaces to the addressing plan and confirm the required interface count before issuing the purchase order.
When several sites need a common configuration baseline, text-editable configuration files and SCP downloads support a shared staging workflow. CLI privilege levels 1, 7, and 15 allow different administrative access assignments. Specify the configuration baseline, file-transfer method, and administrator privilege requirements before releasing the switches for the site rollout.
When a lab or staging bench needs packet inspection before a production change, port mirroring can send traffic from four source ports to one destination. VLAN mirroring is also available. Identify the capture connection and required source ports before ordering the switch for the proposed test setup.
Switch-supplied power for network endpoints
SG250-18-K9-UK provides no PoE output. C1200-16P-2G is a current 16-port Gigabit PoE alternative with two 1G SFP uplinks; size its power budget against the endpoints.
10G uplinks to upstream switches
SG250-18-K9-UK uplinks stop at 1G. C1200-24T-4X provides four 10G SFP+ uplinks, but also changes the access-port count from 16 to 24.
Cisco service after October 2026
SG250-18-K9-UK reaches its last date of Cisco support on October 31, 2026. C1200-16T-2G is the current successor for purchases requiring a current product rather than legacy sparing.
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| SG250-18-K9-UK |  SG250-08HP-K9-EU |  SG250-50P-K9-EU |  SG250-26P-K9-EU |  SG250-08HP-K9-NA | |
|---|---|---|---|---|---|
| Depth | 202 mm | 128 mm | 350 mm | 257 mm | 128 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 | Desktop | Rack-Mount 1U | Rack-Mount 1U | Desktop |
| Height | 44 mm | 30 mm | 44 mm | 44 mm | 30 mm |
| Manufacturer Part Number | SG250-18-K9-UK | SG250-08HP-K9-EU | SG250-50P-K9-EU | SG250-26P-K9-EU | SG250-08HP-K9-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 13.1W | 61.4W | 481.9W | 262W | 61.4W |
| Switching Capacity | 36 Gbps | 16 Gbps | 100 Gbps | 52 Gbps | 16 Gbps |
| Width | 440 mm | 160 mm | 440 mm | 440 mm | 160 mm |
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SG250-18-K9-UK combines the SG250 Gigabit smart-switch model, 18 total ports, the K9 ordering segment, and the UK regional suffix. The configuration has 16 dedicated copper ports and two copper/SFP combo ports. UK covers the United Kingdom, Saudi Arabia, Qatar, Kuwait, Singapore, Hong Kong, and Malaysia.
Cisco 250 Series Smart Switches support HTTP/HTTPS web management, SSH/Telnet CLI access, SNMP, and Smart Network Application. Additional integrations include FindIT Network Discovery Utility, embedded FindIT Network Probe, FindIT Network Manager, and Cisco Active Advisor. The local interface provides configuration wizards, monitoring, and maintenance functions alongside full and menu-based CLI modes.
SG250-18-K9-UK is discontinued: end of sale was October 30, 2021, and Cisco service ends October 31, 2026. Software maintenance ended October 30, 2022. The replacement chain passes through discontinued CBS250-16T-2G-UK to current C1200-16T-2G; distinguish legacy spare orders from a current-product refresh.
SG250-18-K9-UK is offered new sealed or certified refurbished, with ORM warranties of up to 3-year extended for new units and up to 1 year for refurbished units. Returns are 30 days on every condition; terms apply. Cisco's limited lifetime hardware warranty is bounded by the October 31, 2026 support end date.
No, the Cisco SG250-18 does not supply PoE to attached devices. Its copper interfaces carry network traffic, so phones, cameras, and access points require their own power source or separately specified power equipment. Confirm endpoint power arrangements before selecting this non-PoE configuration for a replacement order.
SG250-18-K9-UK supports MGBSX1 for multimode fiber up to 500 m and MGBLX1 for single-mode fiber up to 10 km at 1 Gbps. Each SFP cage shares a combo port with copper, so activating fiber disables that copper connection. Include the selected transceivers in the purchase order.
SG250-18-K9-UK provides static IPv4 routing with 32 routes and 16 IP interfaces, placing the configuration in Layer 2+. Routed interfaces can use physical ports, link aggregation groups, VLAN interfaces, or loopbacks. Confirm that the proposed addressing and route plan fits those limits before ordering the switch.
The Cisco SG250-18 is a 1U rack-mount switch measuring 440 mm wide, 44 mm high, and 202 mm deep, with a weight of 2.08 kg. A mounting kit is included in the base package. Desktop placement and wall mounting are also supported, so specify the intended mounting arrangement with the order.
SG250-18-K9-UK replaces SLM2016T-UK, the SG200-18 Gigabit smart switch. The older model is discontinued. Match replacement orders to the installed copper and fiber connections, and keep the original regional identifier on asset records so a legacy spare is not confused with a current-generation refresh purchase.
SG250-26HP-K9-UK provides 24 PoE+ access ports sharing 100W, while SG250-18-K9-UK provides 16 non-PoE access ports. Both models are discontinued. The powered model fits a legacy estate using switch-supplied endpoint power; the non-PoE model fits replacement orders for independently powered equipment with the smaller access-port count.
SG250-18-K9-UK uses an internal AC supply, whereas discontinued SG250-08-K9-UK uses an external adapter and can also receive PoE power. The smaller model has eight copper ports and no SFP uplinks. The larger unit suits legacy rack-based sparing; the compact model describes an adapter-powered desktop installation.
C1200-16T-2G provides 16 Gigabit copper ports and two dedicated 1G SFP uplinks, while SG250-18-K9-UK uses two copper/SFP combo uplinks. C1200-16T-2G is the current successor after the discontinued intermediate replacement. Choose the older configuration for matching legacy spares, and the current model for a product refresh.
United States
