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SG250X-24-K9-EU
Cisco SG250X-24-K9-EU 250 24-Port Gigabit Switch, 2x10GBASE-...
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SG250X-24-K9-EU is a smart-managed Layer 2+ switch with 24 Gigabit Ethernet access ports and fixed 10G uplinks split between two 10GBASE-T ports and two SFP+ cages. The non-PoE design connects independently powered endpoints, while the mixed uplink media accommodate copper and fiber connections without a removable uplink card. A full-width 1U chassis places the switch in the small-business rack category within the Cisco 250 Series Smart Switches. The discontinued SG250X-24P-K9-EU adds PoE+ for installations that need endpoint power. Browser-based configuration offers basic and advanced modes for local administration, alongside network-level management integrations. The 24-port Gigabit smart switch applies voice VLAN assignment and traffic prioritization to give delay-sensitive telephone traffic separate treatment from ordinary business data.
SG250X-24-K9-EU price is is available on request. Get immediate quote.
Request bulk order quote for SG250X-24-K9-EU for additional pricing. Browse the full Cisco SG250X Switches series or explore all Cisco products.
128 Gbps switching capacity supports nonblocking forwarding across the installed ports. 95.23 Mpps forwarding at 64-byte packet size defines the packet-processing ceiling for small-frame traffic. 32 static IPv4 routes enable local forwarding between configured networks. SG250X-24-K9-EU carries 512 MB of memory and 256 MB of flash for its embedded software and configuration storage. An 8000-entry MAC table supports learned Ethernet destinations, while the 12 Mb shared packet buffer allocates storage dynamically across ports. STP, RSTP, and MSTP provide spanning-tree options, and LACP supports aggregated Ethernet connections. Eight hardware queues allow traffic classes to receive different scheduling treatment through strict-priority or Weighted Round-Robin scheduling. The internal AC supply accepts 100–240V input; 29.1W maximum consumption sets the switch allowance for power planning. One fan provides active cooling, so the chassis is not fanless. Operation from 0°C to 50°C defines the permitted ambient range for installation.
Specify SG250X-24-K9-EU new sealed or certified refurbished, with condition and accessory PIDs on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, optics bay recognition, clean boot, PSU status, and fan status, with firmware verified and configuration wiped to factory default. ORM provides up to a 3-year extended warranty on new units, up to 1 year on certified refurbished units, and 30-day returns on every condition; terms apply, while Cisco's limited lifetime hardware warranty includes 1-year fan and power-supply coverage and ends October 31, 2026. Enterprise and volume orders can use PO acceptance, government Net-30, and RMA with advance replacement across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24x1G / 2x10GBASE-T / 2x10G SFP+ |
Max Power Draw | 29.1W |
Cooling | 1 fan |
Lifecycle Status | End-of-sale October 30, 2021 |
Replacement PID | C1200-24T-4X |
When a small office separates departments into routed networks, the switch supports 16 IP interfaces across physical ports, link aggregation groups, VLAN interfaces, or loopback interfaces. That interface ceiling matters independently of endpoint count. Specify the required routed interfaces and address plan before placing the purchase order.
When several sites need the same baseline, text-editable configuration files can be prepared centrally and downloaded to additional switches. CLI privilege levels are 1, 7, and 15, so administrative roles must fit that structure. Specify the configuration baseline and administrator access levels before ordering each site batch.
When troubleshooting requires packet capture before rollout, port mirroring can send traffic from four source ports to one destination port. VLAN mirroring also supports four source VLANs feeding one capture port. Reserve the analyzer connection and define the mirrored sources before adding staging units to the purchase order.
Switch-powered phones or access points
SG250X-24-K9-EU does not deliver endpoint power. C1200-24P-4X provides PoE with 24 Gigabit ports and four 10G SFP+ uplinks, replacing the mixed-media uplink arrangement.
Four fiber-based 10G uplinks
SG250X-24-K9-EU has only two SFP+ cages; its remaining 10G uplinks use copper. C1200-24T-4X retains 24 Gigabit access ports and provides four 10G SFP+ uplinks.
Cisco support after October 2026
Cisco service for SG250X-24-K9-EU ends October 31, 2026. C1200-24T-4X is the current successor for a new deployment rather than extending this model's Cisco support window.
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| SG250X-24-K9-EU |  SG250X-48P |  SG250X-48 |  SG250X-48P-K9-NA |  SG250X-24-K9-NA | |
|---|---|---|---|---|---|
| Depth | 257 mm | 350 mm | 257 mm | 350 mm | 257 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 | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG250X-24-K9-EU | SG250X-48P | SG250X-48 | SG250X-48P-K9-NA | SG250X-24-K9-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 29.1W | 502.3W | 46W | 502.3W | 29.1W |
| Switching Capacity | 128 Gbps | 176 Gbps | 176 Gbps | 176 Gbps | 128 Gbps |
| Weight | 2.66 kg | 4.84 kg | 3 kg. | 4.84 kg | 2.66 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG250X-24-K9-EU identifies the regional 24-port Gigabit smart switch with 10G uplinks. SG250X identifies the switch family, 24 denotes the Gigabit access-port count, and EU specifies the regional ordering suffix used for the EU and additional countries. Keep K9 in the complete part number when matching purchase orders and replacement stock.
SG250X-24-K9-EU supports HTTP/HTTPS web management, a full or menu-based CLI over SSH or Telnet, and SNMP versions 1, 2c, and 3. Network-level options include Smart Network Application, Cisco FindIT Network Manager, the embedded FindIT Network Probe, Cisco Active Advisor, and the FindIT Network Discovery Utility. Browser controls include basic and advanced modes.
SG250X-24-K9-EU reached end of sale on October 30, 2021, and its last date of Cisco support is October 31, 2026. The software-maintenance milestone was October 30, 2022. The replacement chain now leads to C1200-24T-4X, rather than stopping at the also-discontinued CBS250-24T-4X-EU intermediate model.
ORM offers SG250X-24-K9-EU new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Both conditions carry 30-day returns; terms apply. Cisco's limited lifetime hardware warranty has 1-year coverage for fans and power supplies, and Cisco service and warranty end October 31, 2026.
SG250X-24-K9-EU provides two fixed 10GBASE-T uplinks and two fixed 10G SFP+ uplinks. Compatible fiber choices include SFP-10G-SR for multimode connections and SFP-10G-LR for single-mode connections. SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M provide direct copper options. Specify the required transceivers or cable PIDs separately from the base switch.
SG250X-24-K9-EU supports static IPv4 routing with 32 routes and 16 IP interfaces, making its filter classification Layer 2+. Routed interfaces can be physical ports, LAGs, VLAN interfaces, or loopbacks. The switch supports local inter-VLAN forwarding, but the routing configuration must remain within these route and interface limits.
SG250X-24-K9-EU is a full-width, rack-mountable 1U switch measuring 440 mm wide, 44 mm high, and 257 mm deep, with a 2.66 kg chassis. A mounting kit is included in the original package. Allow for active fan cooling and an operating ambient temperature from 0°C to 50°C when specifying the installation.
SG250X-24-K9-EU uses an internal universal AC supply accepting 100–240V at 50–60 Hz, with 29.1W worst-case power consumption. The AC connection powers the switch itself rather than supplying endpoint power through its Ethernet ports. Specify the regional power cord and the required AC connection with the order.
Cisco 250 Series Smart Switches support STP, RSTP, MSTP, and LACP; SG250X-24-K9-EU also has eight hardware queues and a 12 Mb shared packet buffer. Spanning-tree controls address Layer 2 loops, while link aggregation combines Ethernet connections. Strict-priority and Weighted Round-Robin scheduling provide distinct treatments for queued traffic classes.
SG250X-24P-K9-EU supplies PoE+ across 24 access ports with a shared 195W budget, whereas SG250X-24-K9-EU supplies data only. Both retain the same mixed copper and SFP+ 10G uplink arrangement. Both are discontinued: the P model serves powered-endpoint requirements, while the non-PoE model fits independently powered devices in existing installations.
SG250X-48-K9-EU has 48 Gigabit access ports, compared with 24 on SG250X-24-K9-EU. The difference is endpoint density rather than a different access-port speed. Both models are discontinued; the 48-port version fits denser existing installations, while the 24-port version fits smaller connection counts.
C1200-24T-4X provides four 10G SFP+ uplinks, while SG250X-24-K9-EU splits its four 10G uplinks between two SFP+ cages and two copper ports. The access-port count remains 24 Gigabit ports. C1200-24T-4X fits a current-model purchase needing four pluggable uplinks; the discontinued SG250X variant fits mixed-media legacy matching.
United States
