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SG550XG-24T-K9-UK
Cisco SG550XG-24T-K9-UK 550X 22-Port 10 Gigabit Switch, 2x10...
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SG550XG-24T-K9-UK is a managed, non-PoE switch with 24 copper 10GBase-T connections, including two combo connections shared with SFP+ slots. The full-width chassis fits a 1U rack position. Its dedicated Gigabit management connection provides out-of-band access, while the fixed network interfaces support copper or fiber connectivity without an uplink expansion card. Cisco SG550XG-24T belongs to the Cisco 550X Series and supports hardware stacking for installations retaining this switch family. Copper and SFP+ interfaces support 10G and 1G operation. The discontinued SG550XG-24F-K9-UK differs by providing predominantly SFP+ connectivity instead of copper downlinks.
SG550XG-24T-K9-UK price is is available on request. Get immediate quote.
Request bulk order quote for SG550XG-24T-K9-UK for additional pricing. Browse the full Cisco 550X Series Stackable Managed Switches series or explore all Cisco products.
480 Gbps switching capacity and 357.12 Mpps forwarding support nonblocking packet handling. SG550XG-24T-K9-UK includes 512 MB of memory, 256 MB of flash and a dynamically shared 2 MB packet buffer. Routing capabilities include static routes, RIP v2, PBR and VRRP; IPv4 capacity reaches 7168 routes. STP/RSTP/MSTP and LACP provide loop-control and link-aggregation options. The internal AC supply accepts 100–240V AC, and maximum published consumption is 143.9W. Four operating fans and one redundant fan provide cooling. Power redundancy uses an external redundant-power connection rather than a second internal supply module.
Specify SG550XG-24T-K9-UK as new sealed or certified refurbished, confirming the condition and required accessories on the PO. Certified refurbished units are inspected and bench-tested, with rated-speed links on every port, clean boot and optics bay recognition checked; firmware is verified and configurations are wiped to factory default. ORM warranties extend up to 3 years for new units and up to 1 year for certified refurbished units; 30-day returns cover every condition, with terms applying. Enterprise and volume orders support PO acceptance, Net-30 for government, and RMA with advance replacement, with regional stock/RMA operations covering the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 22x10G RJ-45 / 2x10G RJ-45/SFP+ combo |
Stacking | Hardware stacking / 8 members |
Max Power Draw | 143.9W |
Cooling | 4 operating fans / 1 redundant fan |
Lifecycle Status | Cisco support ended June 30, 2025 |
Replacement PID | C1300-24XT |
When extending an existing mixed-speed installation, hybrid stacking permits SF550X, SG550X, SG550XG and SX550X members in one stack. Inventory the installed models and intended connections before selecting another unit. Include the interconnect layout and firmware acceptance checks in the build plan before issuing the purchase order.
When replacement hardware must be prepared before installation, the front-panel USB Type-A connection supports configuration and image transfer. Keep the approved files under change control and establish the intended console workflow. Specify the required condition, configuration-transfer method and acceptance checks before committing the hardware purchase order.
Endpoints requiring switch-supplied PoE
SG550XG-24T-K9-UK supplies Ethernet data without PoE output. Phones, cameras or access points relying exclusively on inline power cannot receive their operating power from this switch.
Active Cisco hardware service
SG550XG-24T-K9-UK passed its last support date on June 30, 2025. C1300-24XT is the current migration target after the discontinued intermediate replacements.
More than two fiber connections
SG550XG-24T-K9-UK has two SFP+ combo slots shared with copper connections. C1300-24XT provides four shared 10G SFP+ connections while retaining 24-port 10G copper connectivity.
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| SG550XG-24T-K9-UK |  SG550X-48P-K9-UK |  SG550XG-24F-K9 |  SG550X-24MPP-K9-EU |  SG550X-48P-K9 | |
|---|---|---|---|---|---|
| Depth | 450 mm | 350 mm | 350 mm | 450 mm | 350 mm |
| Ethernet Technology | 10 Gigabit Ethernet | Gigabit Ethernet | 10 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 | SG550XG-24T-K9-UK | SG550X-48P-K9-UK | SG550XG-24F-K9 | SG550X-24MPP-K9-EU | SG550X-48P-K9 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 143.9W | 494.3W | 77.5W | 870.1W | 494.3W |
| Switching Capacity | 480 Gbps | 176 Gbps | 480 Gbps | 128 Gbps | 176 Gbps |
| Weight | 6.38 kg. | 5.82 kg. | 4.16 kg | 6.19 kg | 5.82 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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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.
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SG550XG-24T-K9-UK identifies the regional ordering form of the Cisco SG550XG-24T 24-port 10GBase-T stackable managed switch. The 24T designation corresponds to its copper connection configuration. The -UK suffix covers the United Kingdom and several additional markets; K9 remains part of the complete ordering identifier.
SG550XG-24T-K9-UK supports HTTP/HTTPS management, Textview CLI through console, SSH or Telnet, SNMP, Smart Network Application and FindIT Network Manager with an embedded Probe. Additional capabilities include FindIT discovery, Active Advisor integration and Network Plug and Play provisioning. A dedicated Gigabit connection provides out-of-band management access.
SG550XG-24T-K9-UK is discontinued, with end of sale on June 18, 2020, and Cisco support ending June 30, 2025. Software maintenance releases ended June 18, 2021. Purchasing remaining new sealed inventory does not restart Cisco support or extend the original hardware service milestones.
SG550XG-24T-K9-UK provides two fixed 10G SFP+ combo slots, each shared with a copper connection. Only one medium in each pair operates at a time. Supported optics include SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber; match the optic to the cable run and far-end connection.
Yes, SG550XG-24T-K9-UK supports hardware stacks of eight switches using 10G fiber or copper interconnects. Ring and chain topologies are supported, and link aggregation can increase interconnect bandwidth. Compatible direct-attach options include SFP-H10GB-CU1M, SFP-H10GB-CU3M and SFP-H10GB-CU5M; these connections consume network interfaces.
SG550XG-24T-K9-UK supports static IPv4 routing, RIP v2, static IPv6 routing, PBR and VRRP. IPv4 capacity reaches 7168 routes, while IPv6 static routing reaches 1792 routes. These capabilities support inter-subnet forwarding and gateway redundancy; the switch is presented here as Layer 2+ under its static and RIP routing capabilities.
No, SG550XG-24T-K9-UK does not provide two redundant internal power supply modules. Its internal universal AC supply accepts 100–240V AC, and a redundant-power connector supports external backup power. External power redundancy and the preinstalled redundant cooling fan are separate hardware functions and require separate purchasing decisions.
ORM offers SG550XG-24T-K9-UK new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Returns are 30 days for every condition; terms apply. Cisco's original limited lifetime hardware warranty no longer provides coverage because Cisco service ended June 30, 2025.
SG550XG-24T-K9-UK provides 24 copper 10GBase-T connections, while SG550XG-24F-K9-UK provides 24 SFP+ connections with two shared copper connections. Both models are discontinued. The copper model matches twisted-pair endpoint connections; the fiber model matches an existing optics-based installation when maintaining retired Cisco 550X hardware.
SG550XG-24T-K9-UK has 24 copper 10GBase-T connections, whereas SG550XG-48T-K9-UK has 48; both include two shared SFP+ connections. Both are discontinued. The 24-port model addresses a smaller retained copper connection inventory, while the 48-port model accommodates more connections within an existing Cisco 550X installation.
C1300-24XT provides four shared 10G SFP+ connections where SG550XG-24T-K9-UK provides two. C1300-24XT is the current migration target after the discontinued SX550X-24-K9-UK and CBS350-24XT-UK models. Retaining the older unit addresses specific legacy requirements; the newer model addresses a refresh requiring more fiber connection options.
No, Cisco SG550XG-24T does not supply PoE through its RJ-45 connections. Attached phones, cameras or access points must receive power independently when connected to this model. Selecting new sealed rather than certified refurbished hardware does not change the switch's non-PoE configuration or add powered connections.
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