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SG250-50HP-K9
Cisco SG250-50HP-K9 250 48-Port Gigabit PoE+ Switch, 2x1G Co...
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SG250-50HP-K9 is a smart-managed Layer 2+ switch with 48 Gigabit PoE+ access ports and two fixed Gigabit copper/SFP combo uplinks. The full-width rack-mount chassis serves small-business networks connecting computers, phones, wireless access points, and cameras. Each combo uplink accepts a copper connection or an SFP connection, with only one medium active per uplink. Cisco 250 Series switching combines endpoint connectivity with configurable network segmentation rather than unmanaged operation. The discontinued SG250-50P-K9-NA offers a larger 375W PoE allocation for existing installations needing more endpoint power.
SG250-50HP-K9 price for new stock is is available on request. Get immediate quote. SG250-50HP-K9 refurb price is $468.64.
Request bulk order quote for SG250-50HP-K9 for additional pricing. Browse the full Cisco SG250 Switches series or explore all Cisco products.
100 Gbps switching capacity and 74.41 Mpps forwarding support wire-speed traffic handling. 192W of shared PoE power requires endpoint loads to be allocated across the powered ports; the port count does not imply simultaneous maximum-power delivery. Static IPv4 routing supports 32 routes for communication between workgroups. SG250-50HP-K9 carries 512 MB of DRAM and 256 MB of flash memory. The Cisco SG250-50HP also provides dynamically shared packet buffering, STP/RSTP/MSTP, LACP, and traffic prioritization. Hardware stacking is not supported. Size the electrical circuit for the published maximum consumption rather than treating endpoint power allocation as total AC draw.
Specify SG250-50HP-K9 as new sealed or certified refurbished, with the required condition and quantity on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, PoE output under load on every powered port, optics bay recognition, PSU status, and fan status; firmware is verified and configuration wiped to factory default. ORM provides new units with up to a 3-year extended warranty, certified refurbished units with up to 1 year, and 30-day returns on every condition; terms apply. For enterprise and volume orders, PO is accepted, Net-30 is available for government, and RMA includes advance replacement, with regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+, 2 x 1G combo uplinks |
PoE Budget | 192W shared |
Max Power Draw | 267.2W with PoE |
Cooling | 2 fans |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | CBS250-48PP-4G-NA, discontinued; no current successor |
When additional workgroups need separate addressing, the switch supports 16 IP interfaces for local segmentation. Before ordering, map the required interfaces to the addressing plan and identify which traffic must continue through the upstream router. Specify the configuration work alongside the hardware quantity.
When several sites need a common configuration, configuration files can be transferred using SCP over SSH. Establish the server authentication settings and decide how sensitive configuration data will be handled before staging begins. Include the required configuration preparation and site-specific changes in the purchase requirements.
When spare units are purchased for a staging bench, firmware operations support image updates, backups, and active-image swapping. USB and network transfer methods allow preparation before installation. Specify the required firmware state and configuration backup procedure before the units are released from staging to the installation team.
10G uplinks to aggregation
SG250-50HP-K9 has Gigabit combo uplinks. C1200-48P-4X retains 48 Gigabit access ports and provides four 10G SFP+ uplinks for a higher-speed uplink requirement.
30W power on every port
The 192W PoE budget is shared across 48 powered ports, so simultaneous 30W allocation to every powered port is not supported.
Manufacturer support beyond October 2026
Cisco service for SG250-50HP-K9 ends October 31, 2026. Its direct replacement is also discontinued, with no current successor available in that replacement chain.
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| SG250-50HP-K9 |  SG250-50P-K9-EU |  SG250-50-K9-EU |  SG250-50HP |  SG250-26HP | |
|---|---|---|---|---|---|
| Depth | 350 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 | SG250-50HP-K9 | SG250-50P-K9-EU | SG250-50-K9-EU | SG250-50HP | SG250-26HP |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 267.2W | 481.9W | 35.4W | 267.2W | 135.2W |
| SFP Ports | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 100 Gbps | 100 Gbps | 100 Gbps | 100 Gbps | 52 Gbps |
| Weight | 4.8 kg | 4.82 kg. | 2.94 kg | 4.8 kg. | 3.37 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG250-50HP-K9 identifies a Gigabit Cisco 250 Series smart switch with 50 logical ports. The 50HP configuration provides 48 powered access ports and two combo uplinks with a 192W budget. K9 remains part of the ordering identifier; the additional regional suffix, such as -NA, selects the market-specific form.
SG250-50HP-K9 supports HTTP/HTTPS web management, Textview CLI over SSH or Telnet, and SNMP v1/v2c/v3. Other management paths include Smart Network Application, FindIT Network Manager with the embedded FindIT Network Probe, Cisco Active Advisor, and Network Plug and Play with PnP Connect. Network-level management does not provide hardware stacking.
SG250-50HP-K9 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. These milestones apply to this model even though other members of the series have different lifecycle dates.
ORM offers SG250-50HP-K9 new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Every condition includes 30-day returns; terms apply. Cisco's limited lifetime hardware warranty, with 1-year fan and power-supply coverage, remains subject to eligibility and ends no later than October 31, 2026.
SG250-50HP-K9 replaces the discontinued SG200-50P regional ordering forms SLM2048PT-AU, SLM2048PT-EU, SLM2048PT-NA, and SLM2048PT-UK through the corresponding regional SG250 forms. For a replacement purchase, match the regional requirement and review the powered-device load rather than assuming that matching the advertised total port count settles every requirement.
SG250-50HP-K9 provides a shared 192W PoE budget across 48 PoE+ ports, with a maximum allocation of 30W to an individual port. Powering every port at 30W would require 1440W, which exceeds that budget. Prepare an endpoint power schedule before assigning all powered connections.
The Cisco SG250-50HP supports Gigabit fiber connections through its two copper/SFP combo uplinks. MGBSX1 is a multimode option and MGBLX1 is a single-mode option. Each combo uplink uses either its copper connection or its SFP connection, so the two media are not additional independent ports.
Yes, SG250-50HP-K9 supports static IPv4 routing between network segments, with 32 static routes and 16 IP interfaces. Its routing capability fits the Layer 2+ category rather than a dynamic-routing feature tier. Define the local destinations and upstream next hops before preparing the switch configuration.
No, Cisco 250 Series switches do not form a hardware stack. Smart Network Application provides network-level discovery, monitoring, configuration, and software-image operations across devices, but that management relationship does not combine them into a stacked forwarding system. Plan physical connections and device configuration accordingly.
No, SG250-50HP-K9 uses one internal AC power supply without a second redundant supply option. The switch accepts 100-240V AC, and its published worst-case consumption with PoE reaches 267.2W. Specify the required AC connection and size upstream power provision for the complete switch load.
SG250-50HP-K9 provides a 192W PoE budget, while SG250-50P-K9-NA provides 375W. Both are discontinued models. Within an existing installation, the HP configuration fits a lower aggregate powered-device load, while the P configuration accommodates a larger allocation; select against the endpoint power schedule rather than port count alone.
SG250-50HP-K9 has 48 Gigabit access ports, while SG250-26HP-K9-NA has 24. Both models are discontinued. For an existing estate, the larger model accommodates a denser connection schedule, while the smaller model fits locations needing fewer physical access connections; confirm required access-port quantity before selecting replacement stock.
SG250-50HP-K9 has two Gigabit copper/SFP combo uplinks, while SG250X-48P-K9-NA has four 10G uplinks comprising two copper ports and two SFP+ ports. Both are discontinued. The former fits existing Gigabit uplink connections; the latter fits an existing installation that specifically requires the higher-speed uplink arrangement.
The North American replacement for SG250-50HP-K9 was CBS250-48PP-4G-NA, which is also discontinued. That model reached end of sale on October 29, 2024, and has no current migration product. Do not treat the replacement relationship as confirmation that a currently sold, directly equivalent model exists.
United States
