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SG250-18
Cisco SG250-18 250 16-Port Gigabit Switch, 2x1G Combo Uplink...
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SG250-18 is a fanless Layer 2+ smart switch with 16 Gigabit copper access ports and two fixed Gigabit copper/SFP combo uplinks. Each combo connection uses copper or fiber, not both simultaneously. The non-PoE configuration connects computers, printers, servers, and separately powered endpoints in small-business networks. Its full-width chassis occupies one rack unit within the Cisco 250 Series Smart Switches family. The discontinued SG250-26HP provides a different endpoint-power configuration, with 24 PoE+ access ports and a shared 100W budget. For an existing installation, distinguish the access-port requirement from the total network-port count before choosing the replacement unit.
SG250-18 price for new stock is is available on request. Get immediate quote. SG250-18 refurb price is $464.30.
Request bulk order quote for SG250-18 for additional pricing. Browse the full Cisco SG250 Switches series or explore all Cisco products.
36 Gbps switching capacity supports nonblocking forwarding, while 26.78 Mpps describes packet forwarding with 64-byte packets. 32 static IPv4 routes support local subnet forwarding. SG250-18 carries 512 MB DRAM, 256 MB flash, and a dynamically shared 12 Mb packet buffer. STP/RSTP/MSTP provide loop control; LACP supports four aggregation groups with eight active ports per group. Eight hardware queues support traffic scheduling, and 512 ACL rules provide filtering capacity. The 18-Port Gigabit Smart Switch offers browser configuration, a scriptable CLI, and SNMP monitoring rather than operating solely as an unmanaged device. Dual firmware images support software maintenance. 13.1W worst-case consumption at 110V supplies the electrical-load planning figure; consumption at 220V is 13W.
ORM Systems offers SG250-18 new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year; returns are 30 days on every condition, terms apply. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, and optics bay recognition; firmware is verified and configurations are wiped to factory default. Specify condition, quantity, and accessories on the PO; Cisco's limited lifetime hardware warranty and 1-year power-supply coverage cannot extend beyond October 31, 2026. Enterprise and volume orders support PO acceptance, Net-30 for government, RMA with advance replacement, and regional stock/RMA across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 16 x 1G / 2 x 1G combo uplinks |
Max Power Draw | 13.1W at 110V |
Cooling | Fanless |
Lifecycle Status | Cisco support ends October 31, 2026 |
Replacement PID | C1200-16T-2G |
A small law firm deploys the Cisco SG250-18 18-Port Gigabit Smart Switch to segment client data, guest Wi-Fi and staff workstations into isolated VLANs. Leveraging advanced Layer 2 security features such as Access Control Lists (ACLs) and 802.1Q tagging, the switch enforces strict traffic policies while maintaining gigabit performance. Outcome: Enhanced data privacy, regulatory compliance and reduced attack surface without sacrificing network speed.
A mid-sized retail chain uses the SG250-18’s eight PoE+ ports and 10G stacking uplinks to power and aggregate multiple 4K IP cameras across a store network. QoS settings prioritize video streams to prevent frame loss during peak hours, while link-aggregation ensures uninterrupted recording. Outcome: Reliable, high-definition surveillance with simplified cable management and centralized switch control, boosting loss prevention and operational oversight.
A consulting firm integrates the Cisco SG250-18 to support 50+ VoIP handsets and HD video endpoints in a single office. Intelligent QoS queues guarantee voice clarity and jitter-free video calls, while rapid spanning tree ensures seamless failover to backup uplinks. Outcome: Crystal-clear communications, reduced call drops and improved collaboration productivity for client presentations and internal meetings.
When several offices need a common starting configuration, SCP configuration downloads and text-editable configuration files support a repeatable staging process. Prepare the site-specific addressing and access settings separately from the shared configuration. Include configuration preparation in the rollout plan, and confirm the required regional order variant before issuing the PO.
When purchasing a spare for an existing installation, the front-panel USB Type-A connection provides a local path for image and configuration transfer. Keep the intended image and configuration available for staging rather than assuming an inventory unit already contains them. Specify the condition and required accessories before completing the spare-unit order.
When a small office needs local communication between separate subnets, the switch supports 16 IP interfaces. Count the required interfaces independently of physical endpoint connections, and identify which routing functions remain on the upstream router. Check the interface requirement against the intended configuration before approving the purchase order.
Switch-powered phones or access points
SG250-18 supplies data connectivity without PoE output. C1200-16P-2G provides a current PoE alternative with 16 Gigabit access ports and two Gigabit SFP uplinks.
10G uplinks to distribution
SG250-18 uplinks operate at 1G. C1200-24T-4X provides four 10G SFP+ uplinks, but also increases Gigabit access-port density from 16 to 24.
Cisco support beyond October 2026
SG250-18 reaches its last date of Cisco support on October 31, 2026. C1200-16T-2G is the current successor after the discontinued CBS250-16T-2G-NA.
Mon–Fri: [09:00-16:00]
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| SG250-18 |  SF250-48HP |  SF250-48 |  SF250-24 |  SG250-26 | |
|---|---|---|---|---|---|
| Depth | 202 mm | 350 mm | 257 mm | 202 mm | 202 mm |
| Ethernet Technology | Gigabit Ethernet | Fast Ethernet | Fast Ethernet | Fast 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 | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG250-18 | SF250-48HP | SF250-48 | SF250-24 | SG250-26 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 13.1W | 265.2W | 24.2W | 10.9W | 18.9W |
| SFP Ports | 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 / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 36 Gbps | 17.6 Gbps | 17.6 Gbps | 12.8 Gbps | 52 Gbps |
| Weight | 2.08 kg | 4.93 kg | 3.57 kg | 2.72 kg. | 2.72 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 90 days, for dependable protection on every order. The exact term is confirmed on your quote, order confirmation and invoice.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Same-day dispatch from regional hubs, free next-day delivery*, fully tracked and insured.
Reviewed on the 1 December 2022
18-port gigabit smart switch delivers reliable connectivity and stable performance for small to mid-sized offices.
Reviewed on the 31 December 2019
Reliable solution for everyday office networking.
Reviewed on the 15 October 2017
Durable, easy-to-manage switch with professional-grade throughput.
Reviewed on the 26 December 2020
Efficient network performance and minimal downtime.
Reviewed on the 23 September 2022
Compact and professional-grade switch with stable connectivity.
SG250-18 identifies a Gigabit Ethernet smart switch in the Cisco 250 Series, with 18 network connections comprising 16 copper access ports and two copper/SFP combo ports. The supplied model name has no separate uplink or license suffix. For a US regional order, the complete orderable variant is SG250-18-K9-NA.
SG250-18 supports a web UI, CLI over SSH or Telnet, SNMP, Smart Network Application, and legacy integrations with FindIT Network Manager, the embedded FindIT Network Probe, FindIT Network Discovery Utility, and Cisco Active Advisor. Browser configuration has basic and advanced modes, while the CLI supports scripted administration.
No, SG250-18 does not provide PoE output to connected devices. Phones, access points, cameras, or other endpoints requiring Ethernet-delivered power need a separate power arrangement or a powered switch configuration. Confirm the endpoint power requirement before selecting this data-only model, rather than treating Gigabit connectivity as confirmation of PoE support.
SG250-18 has two Gigabit SFP connections, each shared with a copper connector in a combo port. Only one connection in each pair operates at a time. The fiber interfaces therefore do not add two independent ports beyond the 18 total, and they do not provide 10G uplink operation.
Yes, the Cisco 250 Series supports static IPv4 routing with 32 routes and 16 IP interfaces. SG250-18 is therefore a Layer 2+ selection for this configuration rather than a dynamic-routing switch. Count the required routes and interfaces before deciding which subnet forwarding functions to place on the switch.
SG250-18 is offered new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year; every condition has 30-day returns, terms apply. Separately, Cisco's limited lifetime hardware warranty and 1-year power-supply coverage cannot extend beyond the last support date of October 31, 2026.
Yes, SG250-18 ended sale on October 30, 2021, and Cisco support ends October 31, 2026. Software maintenance releases ended October 30, 2022. The direct replacement CBS250-16T-2G-NA is also discontinued; its successor C1200-16T-2G is the current model at the end of the replacement chain.
SG250-18 replaces the older SG200-18 regional variants SLM2016T-AU, SLM2016T-EU, SLM2016T-JP, SLM2016T-NA, and SLM2016T-UK. These are predecessor identities, not current purchasing alternatives. When maintaining an existing installation, match the regional variant and required connections rather than assuming that a similar model name establishes an equivalent order.
SG250-26HP provides 24 PoE+ access ports with a shared 100W budget, whereas SG250-18 has 16 non-PoE access ports. Both models are discontinued. SG250-18 addresses data-only replacement requirements; SG250-26HP represents an existing powered installation whose endpoint demand must be checked against its shared budget before a like-for-like purchase.
SG250-10P uses an external AC adapter, whereas SG250-18 uses an internal AC power supply. Both models are discontinued. The distinction matters when maintaining installed equipment: SG250-18 suits an internal-power replacement requirement, while an SG250-10P replacement order must account for the external adapter rather than only the switch body.
C1200-16T-2G has two dedicated Gigabit SFP uplinks, whereas SG250-18 uses two shared copper/SFP combo uplinks. C1200-16T-2G is the current successor through the discontinued CBS250-16T-2G-NA. SG250-18 addresses existing combo-port installations; C1200-16T-2G suits replacement orders requiring the current model and separate fiber uplink connections.
Yes, SG250-18 is a full-width 1U rack-mount switch measuring 440 mm wide, 44 mm high, and 202 mm deep. Its weight is 2.08 kg, and the standard package includes a mounting kit. Confirm mounting accessories with the chosen condition before placing an order for an existing rack installation.
United States
