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SG550X-24MP-K9
Cisco SG550X-24MP-K9 550X 24-Port Gigabit PoE+ Switch, 2x10G...
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SG550X-24MP-K9 combines 24 Gigabit PoE+ access ports with four fixed 10G uplinks in a managed, rack-mount 1U switch for small-business networks. Two uplinks are dedicated SFP+ interfaces, and two are copper/SFP+ combo interfaces with one medium active per combo. The Cisco 550X Series Stackable Managed Switches provide Layer 2+ access with inter-VLAN routing for workgroups, while powered connections serve phones, wireless access points, and cameras. Copper uplink cabling and fiber connections can therefore be specified around the same chassis, but a combo pair cannot provide two simultaneous links. The discontinued SG550X-24P-K9-NA has a 195W endpoint-power allocation, distinguishing that lower-budget sibling from this model when selecting powered access hardware.
SG550X-24MP-K9 price for new stock is $1,936.20. SG550X-24MP-K9 refurb price is $561.75. SG550X-24MP-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SG550X-24MP-K9 for additional pricing. Browse the full Cisco 550X Series Stackable Managed Switches series or explore all Cisco products.
128 Gbps switching capacity supports nonblocking local switching, and 95.23 Mpps forwarding handles 64-byte packets at wire speed. 382W of shared PoE output sets the endpoint allocation ceiling; individual port capability does not mean every powered device can draw its maximum simultaneously. Static routing, RIP v2, PBR, and VRRP support inter-VLAN forwarding, next-hop policy, and gateway redundancy. SG550X-24MP-K9 carries 512 MB of DRAM and 256 MB of flash for control-plane operation and image storage. A 1.5 MB packet buffer is shared dynamically across interfaces rather than dedicated to a single port. The Cisco SG550X-24MP supports 16000 MAC addresses, 7168 IPv4 routes, and 256 IP interfaces, setting the address and routing scale for configuration planning. STP, RSTP, MSTP, and LACP provide loop control and link aggregation, while DHCP snooping and Dynamic ARP Inspection filter untrusted address information. Power redundancy uses an external RPS connection rather than a second internal PSU bay.
ORM Systems supplies SG550X-24MP-K9 new sealed or certified refurbished; refurbished units are inspected and bench-tested, including PoE output under load on every powered port, with firmware verified and configurations wiped to factory default. Specify condition, regional ordering form, accessories, and quantity on the PO. ORM warranties are up to 3-year extended for new and up to 1 year for certified refurbished, with 30-day returns on every condition, terms apply; Cisco's limited lifetime coverage is bounded by July 31, 2027. Enterprise and volume orders support PO acceptance, Net-30 for government, RMA with advance replacement, and regional stock/RMA in the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 2 x 10G SFP+ / 2 x 10G Combo |
PoE Budget | 382W shared |
Stacking | Hardware stacking / 8 members |
Replaces | SF550X-24MP-K9-NA / End of sale June 18, 2020 |
Lifecycle Status | End of sale July 30, 2022 |
Replacement PID | C1300-24FP-4X via discontinued CBS350-24FP-4X-NA |
When higher-draw access points, compact switches, or connected lighting are being added, eight ports can supply 60W PoE while the other powered interfaces stop at 30W. Treat those ports as a separate allocation group, and check endpoint power requirements and aggregate demand before specifying the order.
When several branches need the same starting configuration, the embedded Network Plug and Play agent supports PnP Connect for device provisioning. Include bootstrap settings and the approved configuration in the staging package rather than treating factory defaults as the deployment configuration; specify that configuration package before the PO.
When a spare is required for an installed SF550X-24MP-K9-NA, that discontinued model's migration path includes the North American form of this switch. Preserve the existing configuration and review feature use rather than assuming interchangeability; identify the regional ordering form and required staging work before the PO.
60W power on every access port
SG550X-24MP-K9 supports 60W PoE on eight access ports only; the remaining access ports support 30W each, and all endpoint power shares one budget.
Redundant internal power supply modules
SG550X-24MP-K9 uses an internal AC supply with external RPS support, not a second internal supply bay. A dual-internal-supply requirement excludes this chassis.
Cisco support beyond July 2027
SG550X-24MP-K9 reaches its last date of Cisco support on July 31, 2027. C1300-24FP-4X is the current migration endpoint through the discontinued CBS350-24FP-4X-NA.
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| SG550X-24MP-K9 |  SG550X-24MP-K9-NA |  SG550XG-8F8T-K9-UK |  SG550XG-48T-K9-NA |  SG550XG-24T-K9-EU | |
|---|---|---|---|---|---|
| Depth | 350 mm | 350 mm | 350 mm | 450 mm | 450 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 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 | SG550X-24MP-K9 | SG550X-24MP-K9-NA | SG550XG-8F8T-K9-UK | SG550XG-48T-K9-NA | SG550XG-24T-K9-EU |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 471.2W | 471.2W | 84.6W | 264.4W | 143.9W |
| Switching Capacity | 128 Gbps | 128 Gbps | 320 Gbps | 960 Gbps | 480 Gbps |
| Weight | 5.33 kg | 5.33 kg | 5.23 kg | 7.43 kg | 6.38 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG550X-24MP-K9 identifies the 550X Gigabit stackable configuration with 24 powered access ports and a 382W PoE budget. The 24 marks access-port count, and MP distinguishes this power configuration. SG550X-24MP-K9-NA is the United States ordering form, with -NA supplying the regional suffix.
SG550X-24MP-K9 supports an HTTP/HTTPS web interface, Textview CLI through console, SSH or Telnet, and SNMP. Smart Network Application, FindIT Network Manager with the embedded FindIT Network Probe, and Active Advisor provide additional management paths. FindIT Network Discovery supports discovery, while Network Plug and Play supports provisioning.
SG550X-24MP-K9 shares a 382W PoE budget across 24 powered access ports, including eight ports supporting 60W PoE. The other powered ports support 30W each. Per-port maxima do not increase the shared allocation, so size the actual device mix rather than assuming simultaneous maximum output on every port.
The 550X series supports hardware stacks of eight members using 10G copper or fiber interfaces in ring or chain topologies. SF550X, SG550X, SG550XG, and SX550X members can share a hybrid stack. SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M provide supported short copper connections; reserve front-panel interfaces for stack links.
SG550X-24MP-K9 supports static routing, RIP v2, PBR, and VRRP, with an IPv4 routing scale of 7168 routes and 256 IP interfaces. IPv6 static routing supports 1792 routes and 256 IPv6 interfaces. Size both address families separately when preparing an inter-VLAN configuration.
No, SG550X-24MP-K9 does not ship with dual internal redundant power supplies; power redundancy uses an external RPS connection. The internal universal AC supply accepts 100-240V AC at 47-63 Hz. A requirement for two internal PSU modules calls for a different chassis rather than another internal supply.
SG550X-24MP-K9 is discontinued: end of sale was July 30, 2022, and the last date of Cisco support is July 31, 2027. Software maintenance ended July 30, 2023. The direct migration model, CBS350-24FP-4X-NA, is also discontinued; the current forward migration endpoint is C1300-24FP-4X.
SG550X-24MP-K9's North American ordering form replaced the discontinued SF550X-24MP-K9-NA, whose end-of-sale date was June 18, 2020. The older model has Fast Ethernet access ports rather than Gigabit access. A replacement order should still identify the regional version and verify endpoint power requirements before carrying over an existing configuration.
SG550X-24MP-K9 has a 382W PoE budget, compared with 195W on SG550X-24P-K9-NA. Both have 24 Gigabit powered access ports. The lower-budget model fits lighter endpoint-power allocations; the MP configuration accommodates larger aggregate loads within its ceiling. Both are discontinued, so the comparison concerns legacy hardware rather than current migration models.
SG550X-48P-K9-NA has 48 Gigabit powered access ports, whereas SG550X-24MP-K9 has 24; both share a 382W PoE budget. The 48-port model suits a larger connection count without increasing total endpoint power. The 24-port model serves smaller connection counts. Both configurations are discontinued.
C1300-24FP-4X has four 10G SFP+ uplinks, whereas SG550X-24MP-K9 combines two SFP+ uplinks with two 10G copper/SFP+ combo uplinks. C1300-24FP-4X is the current migration endpoint for replacement purchasing. The discontinued 550X configuration serves an installed environment that still requires its mixed copper and fiber uplink arrangement.
The 550X Gigabit switch supports SFP-10G-SR for 10G multimode fiber and SFP-10G-LR for 10G single-mode fiber connections. SFP-10G-LR reaches 10 km; SFP-10G-SR reach depends on the multimode fiber used. Include the required transceiver PIDs with the hardware order and select matching fiber and remote-end optics.
SG550X-24MP-K9 is a rack-mount 1U switch measuring 440 mm wide, 44 mm high, and 350 mm deep, with a weight of 5.33 kg. The standard package includes a mounting kit, power cord, and console cable. Confirm those installation items when specifying condition and delivery contents.
ORM Systems offers SG550X-24MP-K9 new sealed or certified refurbished, with separate ORM and Cisco warranty terms. ORM provides up to 3-year extended coverage for new hardware and up to 1 year for certified refurbished hardware, plus 30-day returns on every condition, terms apply. Cisco's limited lifetime hardware coverage ends July 31, 2027.
United States
