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SG250X-48-K9-EU
Cisco SG250X-48-K9-EU SG250X 48-Port Gigabit Switch, 2x10G C...
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SG250X-48-K9-EU provides 48 Gigabit access ports and four fixed 10G uplinks, divided between two 10GBASE-T connections and two SFP+ cages. This smart-managed, non-PoE switch serves small-business networks where endpoints have their own power and uplink cabling includes both copper and fiber. Its rack-mount chassis occupies 1U, while static routing places its feature set in the Layer 2+ category. The Cisco 250 Series Smart Switches combine local configuration with network-level administration rather than requiring a modular uplink purchase. The discontinued SG250X-48P-K9-EU is the nearest powered sibling, adding PoE+ for endpoints that receive electricity through Ethernet.
SG250X-48-K9-EU price is is available on request. Get immediate quote.
Request bulk order quote for SG250X-48-K9-EU for additional pricing. Browse the full Cisco SG250X Switches series or explore all Cisco products.
176 Gbps switching capacity and 130.94 Mpps forwarding performance characterize packet handling, with the forwarding figure measured using 64-byte packets. Static IPv4 routing supports 32 routes for manually defined inter-network paths. SG250X-48-K9-EU combines 512 MB of memory, 256 MB of flash, and a dynamically shared 24 Mb packet buffer. STP, RSTP, and MSTP provide spanning-tree options, while LACP supports aggregated links. The MAC address table holds 8000 entries. Browser configuration, a scriptable Textview CLI, and SNMP provide administrative access; this is not an unmanaged device. Two fans provide active cooling, so the chassis is not fanless.
Order SG250X-48-K9-EU in new sealed or certified refurbished condition, specifying quantities and required optics on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, optics bay recognition, PSU and fan status, and clean boot; firmware is verified and configurations are wiped to factory default. ORM provides up to a 3-year extended warranty on new units and up to 1 year on certified refurbished units, with 30-day returns on every condition, terms apply; Cisco's original limited lifetime hardware warranty has 1-year fan and power-supply coverage, and Cisco support ends October 31, 2026. Enterprise and volume orders can specify UK, EU, US, or MEA stock and RMA handling, with POs accepted, Net-30 for government, and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G / 2 x 10GBASE-T / 2 x 10G SFP+ |
Max Power Draw | 46W |
Cooling | 2 fans |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | C1200-48T-4X via discontinued CBS250-48T-4X-EU |
For a rollout across multiple locations, text-editable configuration files and SCP-based autoconfiguration provide a repeatable staging method. Define the common settings separately from site-specific addressing and credentials so that the equipment order also identifies the required configuration baseline. Specify the provisioning method and configuration deliverables before the PO.
When a replacement must be prepared before installation, dual firmware images let the staging plan retain separate software images. USB Type-A file management provides an additional preparation route. Include the required software version and configuration baseline in the order, then define the image-selection and clean-boot acceptance checks before the PO.
When local routing forms part of a branch purchase, the limit of 16 IP interfaces must be checked against the proposed interface layout. Physical ports, aggregated links, VLAN interfaces, and loopbacks can host IP interfaces. Define the interface allocation and upstream routing responsibilities before specifying the switch on the PO.
Ethernet power for connected endpoints
SG250X-48-K9-EU provides no PoE output. Phones, cameras, and access points requiring Ethernet-delivered power need a separate power source; this model cannot serve as their power source.
Multigigabit speeds on access ports
The 48 access ports support Gigabit Ethernet, not native multigigabit endpoint speeds. The separate 10G uplinks do not increase the speed available on those access connections.
Cisco support beyond October 2026
Cisco support ends October 31, 2026. C1200-48T-4X is the current successor, with four 10G SFP+ uplinks instead of the original mixed copper and fiber uplink arrangement.
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| SG250X-48-K9-EU |  SG250X-48P-K9-EU |  SG250X-48P-K9-NA |  SG250X-48 |  SG250X-48P-K9 | |
|---|---|---|---|---|---|
| Depth | 257 mm | 350 mm | 350 mm | 257 mm | 350 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-48-K9-EU | SG250X-48P-K9-EU | SG250X-48P-K9-NA | SG250X-48 | SG250X-48P-K9 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 46W | 502.3W | 502.3W | 46W | 502.3W |
| Switching Capacity | 176 Gbps | 176 Gbps | 176 Gbps | 176 Gbps | 176 Gbps |
| Weight | 3 kg | 4.84 kg. | 4.84 kg | 3 kg. | 4.84 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG250X-48-K9-EU identifies a 48-port Gigabit smart switch with 10G uplinks in the EU regional ordering group. SG250X identifies the model family, and 48 identifies the Gigabit access-port count. EU is a regional suffix covering the European Union and additional markets, including the UAE, rather than a different port configuration.
SG250X-48-K9-EU supports HTTP/HTTPS browser management, Textview CLI over SSH or Telnet, and SNMP versions 1, 2c, and 3. Network-level tools include Smart Network Application, FindIT Network Manager with an embedded FindIT Network Probe, FindIT Network Discovery Utility, and Cisco Active Advisor. Provisioning also supports Cisco Network Plug and Play and PnP Connect.
SG250X-48-K9-EU reached end of sale on October 30, 2021, and its last date of Cisco support is October 31, 2026. Software maintenance ended October 30, 2022. The original replacement, CBS250-48T-4X-EU, is also discontinued, and the replacement chain now leads to C1200-48T-4X.
ORM offers SG250X-48-K9-EU new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Both conditions have 30-day returns; terms apply. Cisco's original limited lifetime hardware warranty includes 1-year fan and power-supply coverage, and Cisco support ends October 31, 2026.
SG250X-48P-K9-EU supplies PoE+ from a shared 382W budget, whereas SG250X-48-K9-EU does not power endpoints. The non-PoE model suits independently powered devices; the PoE variant suits powered endpoints within its shared budget. Both models are discontinued, so lifecycle requirements must be checked before either is ordered.
SG250X-48-K9-EU has 48 Gigabit access ports, while SG250X-24-K9-EU has 24. Both models are discontinued. Count required endpoint connections and spare access ports before choosing: the larger model serves higher connection counts, while the smaller model serves installations that fit within its lower port density.
SG250X-48-K9-EU has two 10GBASE-T uplinks plus two 10G SFP+ uplinks, while C1200-48T-4X has four 10G SFP+ uplinks. C1200-48T-4X is the current successor reached through the discontinued CBS250-48T-4X-EU. The older model accommodates mixed uplink media; the successor suits purchases specifying four SFP+ uplink connections.
The Cisco 250 Series supports SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber on its applicable 10G models. SG250X-48-K9-EU also supports SFP-H10GB-CU1M for a 1 m copper direct-attach connection. Match the selected accessory to the remote interface, link medium, and required distance before completing the accessory order.
The SG250X family supports static IPv4 routing with 32 routes and 16 IP interfaces. Routing can provide local inter-VLAN forwarding, but the interface limit and route limit need separate checks. Compare the planned interface allocation and static-route list against both limits before specifying the equipment for a routed installation.
SG250X-48-K9-EU uses an internal 100-240V AC supply, with worst-case consumption of 46W at 110V or 45.6W at 220V. These figures describe switch consumption rather than an endpoint PoE allowance. Confirm the regional power cord and available rack power when preparing the purchase specification and installation checklist.
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