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SG250X-24P-K9-NA
Cisco SG250X-24P-K9-NA 250 24-Port Gigabit PoE+ Switch, 2x10...
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SG250X-24P-K9-NA combines fixed copper and fiber 10G uplinks with 24 Gigabit PoE+ access ports in a 1U rack-mount smart switch. Two 10GBASE-T connections accommodate copper uplink runs, while two SFP+ cages accept fiber optics or direct-attach cables. The Cisco 250 Series serves small business access networks connecting computers, IP phones, wireless access points, and cameras. Layer 2+ operation provides VLAN segmentation and local communication between network groups without a dynamic routing control plane. The discontinued SG250X-24-K9-NA omits endpoint power while retaining the same mixed-media uplink arrangement. SG250X-24P is the powered configuration for buyers retaining this access design, with built-in uplinks rather than an expansion bay.
SG250X-24P-K9-NA price for new stock is is available on request. Get immediate quote. SG250X-24P-K9-NA refurb price is $912.45.
Request bulk order quote for SG250X-24P-K9-NA for additional pricing. Browse the full Cisco SG250X Switches series or explore all Cisco products.
128 Gbps switching capacity supports nonblocking forwarding across the access and uplink interfaces. 95.23 Mpps forwarding at 64-byte packet sizes describes packet-processing throughput rather than bandwidth alone. 195W of shared PoE output requires allocation across connected endpoints rather than simultaneous maximum output on every powered port. 32 static routes and 16 IP interfaces provide bounded inter-VLAN routing without dynamic route learning. SG250X-24P-K9-NA uses 512 MB of memory and 256 MB of flash for switch operation and software storage. A 12 Mb packet buffer is shared dynamically across ports rather than reserved equally for each connection. STP, RSTP, and MSTP provide loop-control options, while LACP supports aggregated links. Eight hardware queues support traffic prioritization, and access control lists support 512 rules for filtering or rate limiting. The Textview CLI provides full and menu-based interfaces with privilege levels 1, 7, and 15, allowing administrative access to be separated by role.
Order SG250X-24P-K9-NA new sealed or certified refurbished, specifying the condition and required uplink components on the PO. Certified refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, firmware verified, and configuration wiped to factory default. ORM provides up to 3-year extended coverage on new units, up to 1 year on certified refurbished units, and 30-day returns on every condition, terms apply; Cisco's limited lifetime hardware warranty includes one-year fan and power-supply coverage, with all Cisco service ending October 31, 2026. Enterprise and volume orders support PO acceptance, Net-30 for government, RMA with advance replacement, and regional stock/RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24x1G PoE+ / 2x10GBASE-T / 2x10G SFP+ |
PoE Budget | 195W shared |
Max Power Draw | 260.1W |
Cooling | 2 fans |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | C1200-24P-4X |
When a replacement order includes phones, cameras, and wireless access points, individual endpoint demand matters more than the number of occupied sockets. The 30W per-port ceiling remains subject to the shared power allocation. List each endpoint's required draw and size the combined load before issuing the PO.
When several branches need the same configuration, Cisco Network Plug and Play and SCP configuration downloads provide repeatable provisioning paths. Text-editable configuration files can be transferred between switches rather than recreated manually. Specify the intended provisioning workflow and prepare the site-specific configuration files before placing a multi-site order.
When an order includes equipment for troubleshooting or acceptance testing, port mirroring can send traffic from four source ports to one destination port. That destination becomes part of the test arrangement rather than an ordinary endpoint connection. Reserve the analyzer connection and define the capture scope before ordering staging equipment.
Four fiber-based 10G uplinks
Only two uplinks use SFP+ cages; the other two use copper. C1200-24P-4X provides four 10G SFP+ uplinks while retaining 24 Gigabit access ports.
Thirty watts on every powered port
The 195W shared budget cannot deliver 30W simultaneously across all 24 powered ports. Endpoint totals above that limit require a different power design.
Dynamically learned inter-VLAN routes
Routing is static, with 32 routes and 16 IP interfaces. Networks requiring dynamic route exchange need a routing-capable alternative rather than this switch's static configuration.
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| SG250X-24P-K9-NA |  SG250X-24-K9-EU |  SG250X-48P |  SG250X-48-K9 |  SG250X-24-K9-UK | |
|---|---|---|---|---|---|
| Depth | 257 mm | 257 mm | 350 mm | 257 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-24P-K9-NA | SG250X-24-K9-EU | SG250X-48P | SG250X-48-K9 | SG250X-24-K9-UK |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 260.1W | 29.1W | 502.3W | 46W | 29.1W |
| Switching Capacity | 128 Gbps | 128 Gbps | 176 Gbps | 176 Gbps | 128 Gbps |
| Weight | 3.86 kg | 2.66 kg | 4.84 kg | 3 kg | 2.66 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG250X-24P-K9-NA identifies a Gigabit PoE+ smart switch with 10G uplinks. SG250X names the configuration family, 24 gives the access-port count, and P marks PoE+. NA covers the USA, Canada, Mexico, Colombia, Chile, and remaining Latin America ordering region. K9 remains part of the complete ordering identifier.
SG250X-24P-K9-NA supports HTTP/HTTPS web management, Textview CLI over SSH or Telnet, SNMP 1/2c/3, Smart Network Application, FindIT Network Manager, an embedded FindIT Network Probe, and Cisco Active Advisor. FindIT Network Discovery Utility assists discovery, while Cisco Network Plug and Play handles provisioning. The web interface includes basic and advanced modes.
SG250X-24P-K9-NA shares 195W across 24 PoE+ access ports, with a maximum of 30W available to an individual powered port. The shared limit prevents every port from drawing its individual maximum simultaneously. Endpoint power requirements must therefore be considered together, including the devices intended for later expansion.
SG250X-24P supports SFP-10G-SR for multimode fiber, SFP-10G-LR for single-mode fiber, and SFP-H10GB-CU1M, SFP-H10GB-CU3M, or SFP-H10GB-CU5M for copper direct-attach connections. The two SFP+ cages are fixed uplink interfaces, not removable network modules. The standard switch package does not include these link components, so they belong on the order separately.
SG250X-24P-K9-NA supports static inter-VLAN routing with 32 IPv4 static routes and 16 IP interfaces. Interfaces can be associated with physical ports, link aggregation groups, VLANs, or loopbacks. The switch is Layer 2+ under a static-routing classification; its routing configuration does not provide dynamic route learning.
SG250X-24P-K9-NA is not fanless; two fans provide chassis cooling. Acoustic noise is 35.1 dB from 0°C to 30°C and 46.2 dB at 50°C. The operating temperature range reaches 50°C, but the higher-temperature noise figure matters when the equipment shares space with staff or recording equipment.
SG250X-24P-K9-NA fits a standard equipment rack as a 1U switch, measuring 440 mm wide, 44 mm high, and 257 mm deep. The unit weighs 3.86 kg. A mounting kit and AC power cord are included in the standard package, and the power supply is internal.
SG250X-24P-K9-NA 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. Its direct replacement, CBS250-24P-4X-NA, is also discontinued; the forward migration chain now ends at C1200-24P-4X.
ORM offers SG250X-24P-K9-NA new sealed or certified refurbished, with new-unit extended coverage up to three years and refurbished coverage up to one year. Cisco's limited lifetime hardware warranty includes one-year fan and power-supply coverage; all Cisco service ends October 31, 2026. Every condition has 30-day returns; terms apply.
SG250X-24P-K9-NA supplies PoE+ endpoint power, whereas SG250X-24-K9-NA has non-PoE access ports. Both retain the mixed copper and SFP+ 10G uplink arrangement. Both models are discontinued: the powered version suits like-for-like replacement where endpoints draw switch power, while the non-PoE version suits existing installations with separately powered endpoints.
SG250X-48P-K9-NA provides 48 Gigabit access ports, compared with 24 on SG250X-24P-K9-NA. Both models are discontinued and retain four mixed-media 10G uplinks. The 24-port model suits matching an installed smaller switch, while the 48-port model suits replacement requirements where the existing connection count exceeds 24 access ports.
C1200-24P-4X provides four 10G SFP+ uplinks, whereas SG250X-24P-K9-NA splits its four 10G uplinks between two copper ports and two SFP+ cages. Both have 24 Gigabit access ports. The discontinued model suits matching an existing mixed-media installation; C1200-24P-4X suits migration requiring four optical or direct-attach uplink connections.
SG250X-24P-K9-NA has a worst-case power consumption of 260.1W with PoE at 110V AC; the corresponding figure at 220V AC is 257.1W. These figures include endpoint power delivery and are distinct from the 195W PoE output budget. AC input accepts 100-240V at 50-60 Hz.
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