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SF550X-48P
Cisco SF550X-48P 550X 48-Port Fast Ethernet PoE+ Switch, 4x1...
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SF550X-48P is a managed Fast Ethernet PoE+ switch with 48 10/100 access ports and four fixed 10G uplink interfaces. Two uplinks pair copper connections with shared SFP+ cages; two provide dedicated SFP+ connections, with one medium active on each shared pair. Part of the Cisco 550X Series Stackable Managed Switches, the 1U rack-mounted unit connects powered phones, cameras and wireless access points in small-business networks. Its Layer 2+ capabilities include local IP routing alongside Ethernet switching. The discontinued SF550X-48MP increases the shared PoE allocation to 740W. The 48-port 10/100 PoE stackable switch retains Fast Ethernet endpoint connectivity regardless of the higher speed available upstream.
SF550X-48P price for new stock is is available on request. Get immediate quote. SF550X-48P refurb price is $798.55.
Request bulk order quote for SF550X-48P for additional pricing. Browse the full Cisco SF550X Switches series or explore all Cisco products.
89.6 Gbps switching capacity supports wire-speed switching across the access and uplink interfaces, while 66.66 Mpps forwarding applies to 64-byte packets. 382W of shared PoE power requires an endpoint allocation plan rather than assuming simultaneous maximum draw on every powered port. Static IPv4/IPv6 routing and RIP v2 provide route handling; PBR directs selected traffic toward specified next hops, and VRRP supplies gateway redundancy. SF550X-48P maintains 16000 MAC entries and 7168 IPv4 routes, with 512 MB of DRAM and 256 MB of flash for operation and image storage. A 3 MB packet buffer is shared dynamically across ports. STP, RSTP, MSTP and LACP provide loop control and link aggregation. Received RIPv1 packets are dropped, so RIP peers must use version 2. Cooling uses three fans plus one redundant fan. 461.8W maximum draw at 110V establishes the AC sizing requirement with PoE loads included.
ORM Systems supplies SF550X-48P new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty; every condition includes 30-day returns, with terms applying. 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. Specify the condition, regional power cord, optical accessories and quantities on the PO; Cisco's limited lifetime coverage and service ended June 30, 2025. Enterprise and volume orders accept POs, Net-30 for government and RMA with advance replacement, with regional stock/RMA handling across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 10/100 PoE+ / 4 x 10G shared/dedicated uplinks |
PoE Budget | 382W shared |
Stacking | Hardware stack / 8 members |
Max Power Draw | 461.8W at 110V |
Lifecycle Status | Cisco support ended June 30, 2025 |
Replacement PID | C1300-48P-4X via discontinued SG550X-48P-K9-NA / CBS350-48P-4X-NA |
Scenario: A university IT team deploys 42 802.11ax access points across multiple buildings, using the SF550X-48P’s 48 PoE+ ports and 382W power budget for centralized AP power, and aggregates uplinks via 2x 10GBase-T/SFP+ combos and 2x SFP+ to the core switch. Outcome: Consistent, high-density Wi-Fi coverage, simplified rack consolidation, predictable PoE provisioning, and future-proof 10GbE backbone performance for large-scale campus deployments.
Scenario: A 200-seat call center implements IP phones, video soft clients and contact-center headsets powered by the SF550X-48P’s 382W PoE+ budget, while linking to the data center with dual 10GBase-T/SFP+ uplinks for voice and multimedia traffic. Outcome: Reduced cable complexity, centralized PoE management per port, assured low-latency voice quality, and streamlined QoS policies, delivering a reliable, scalable UC platform.
Scenario: A facilities management team installs 36 PoE+ 4K surveillance cameras and door-access controllers, powered by the SF550X-48P’s 382W budget, and uses 2x SFP+ fiber uplinks to connect to a centralized NVR and security VLAN. Outcome: Real-time high-definition video streaming, hardened network segmentation for critical security systems, guaranteed continuous device uptime, and scalable PoE+ delivery for future expansions.
An endpoint refresh with higher-power devices requires a port assignment plan, not just a switch quantity. Sixteen ports support 60W PoE, while available power remains shared across connected equipment. Identify each device's requirement and assign the higher-power connections before finalizing the endpoint list and port schedule on the PO.
An additional cabinet member creates an interconnect order as well as a switch order. Ring and chain arrangements are supported, and SFP-H10GB-CU3M provides a 3 m copper connection. Map the cable route and reserve the required interfaces before specifying the interconnect quantities and physical arrangement on the PO.
A purchase that moves gateway functions into the access switch needs an interface plan alongside the port schedule. The switch supports 256 IPv4 interfaces, including interfaces on physical ports, link aggregation groups, VLANs and loopbacks. Check the proposed addressing and interface totals before specifying the configuration for staging.
Gigabit connectivity for access endpoints
SF550X-48P access ports stop at 100 Mbps. C1300-48P-4X is the current migration destination with 48 Gigabit access ports for endpoints requiring higher link speeds.
30W on every powered port
SF550X-48P shares 382W across 48 powered ports; 30W per port is a port limit, not the power available to every port at once.
Ongoing Cisco service and support
SF550X-48P reached its last date of support on June 30, 2025. C1300-48P-4X is the current migration destination; sealed stock does not restore Cisco service.
Passive cooling without internal fans
SF550X-48P uses three cooling fans plus a redundant fan and is not fanless. The chassis requires an installation that accommodates active cooling.
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| SF550X-48P |  SF550X-48 |  SG550X-24MPP |  SF550X-24 |  SG550XG-24T | |
|---|---|---|---|---|---|
| Depth | 350 mm | 257 mm | 10.2 inches | 257 mm | 450 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | 10/100/1000 | Fast Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 64 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 1.75 inches | 44 mm | 44 mm |
| Manufacturer Part Number | SF550X-48P | SF550X-48 | SG550X-24MPP | SF550X-24 | SG550XG-24T |
| Memory | 512 MB | 512 MB | 256 MB | 512 MB | 512 MB |
| Power Consumption | 461.8W | 37.6W | 115W | 20.8W | 143.9W |
| Switching Capacity | 89.6 Gbps | 89.6 Gbps | 128 Gbps | 84.8 Gbps | 480 Gbps |
| Weight | 5.09 kg | 3.54 kg | 11 lbs | 3.09 kg. | 6.38 kg |
| Width | 440 mm | 440 mm | 17.5 inches | 440 mm | 440 mm |
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Reviewed on the 14 March 2025
48-port PoE+ switch delivers stable power and consistent performance for demanding enterprise applications.
Reviewed on the 16 August 2017
Professional-grade switch with easy configuration and minimal downtime.
Reviewed on the 18 August 2021
Smooth PoE delivery and reliable throughput across all ports.
Reviewed on the 13 March 2017
Durable and efficient solution for business-critical deployments.
Reviewed on the 4 January 2023
Stable and professional switch, ideal for PoE-heavy networks.
SF550X-48P identifies the 550X Fast Ethernet switch with 48 access ports and PoE+; SF550X is the model prefix, 48 is the access-port count, and P identifies the powered variant. The configuration includes four 10G uplinks and a 382W budget. SF550X-48P-K9-NA is an ordering variant for the United States.
SF550X-48P supports HTTP/HTTPS web management, Textview CLI through console or SSH/Telnet, SNMP, Smart Network Application, FindIT Network Manager with an embedded FindIT Network Probe, and Active Advisor. FindIT Network Discovery Utility assists discovery. Select the administration path and access controls before staging units for installation.
SF550X-48P is discontinued: end of sale was June 18, 2020, and Cisco support ended June 30, 2025. Software maintenance ended June 18, 2021. The later July 30, 2022 end-of-sale date for other 550X models does not extend this model's service life.
ORM Systems offers SF550X-48P new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty, plus 30-day returns on every condition; terms apply. Cisco's original limited lifetime hardware warranty ended with Cisco service on June 30, 2025. Refurbished units are inspected and bench-tested.
SF550X-48P provides a shared 382W PoE budget across 48 powered access ports, with PoE+ support and 60W PoE on 16 selected ports. The higher-power ports are 1 through 8 and 25 through 32. Match endpoint demand to both the selected port and the remaining total power allocation.
SF550X-48P has four fixed 10G uplinks: two dedicated SFP+ interfaces and two copper/SFP+ combo interfaces, with one medium active per combo pair. SFP-10G-SR supports multimode fiber and SFP-10G-LR supports single-mode fiber. Specify the optical accessory and fiber connection separately rather than treating a cage as an installed optic.
A 550X hardware stack contains eight members and supports ring or chain connections through configured 10G interfaces. Supported copper interconnects include SFP-H10GB-CU1M, SFP-H10GB-CU3M and SFP-H10GB-CU5M. Stack connections must have matching speeds or matching module capabilities; reserve the necessary interfaces and specify cable lengths before ordering.
Yes, SF550X-48P supports static IPv4/IPv6 routing, RIP v2, PBR and VRRP, with a total IPv4 route capacity of 7168 routes. RIP must be enabled globally and on the required interfaces, and received RIPv1 packets are dropped. Configure manually assigned interface addresses before enabling RIP participation.
SF550X-48P occupies 1U and measures 440 mm wide, 44 mm high and 350 mm deep, with a weight of 5.09 kg. The chassis is rack-mounted rather than a narrow desktop model. Allow room for cable routing and confirm the available rack clearance before ordering.
C1300-48P-4X is the current migration destination for SF550X-48P through the replacement chain. SF550X-48P-K9-NA first led to the discontinued SG550X-48P-K9-NA, which led to the discontinued CBS350-48P-4X-NA. The final model provides 48 Gigabit access ports, so the migration changes endpoint speed rather than preserving Fast Ethernet access.
SF550X-48MP provides a 740W shared PoE budget, while SF550X-48P provides 382W. Both models are discontinued, so this comparison concerns existing installations and replacement stock rather than a current-generation rollout. SF550X-48P suits the lower aggregate endpoint allocation; SF550X-48MP accommodates installations requiring the larger shared power budget.
SF550X-48P has 48 Fast Ethernet access ports, while SF550X-24P has 24. Both models are discontinued, and the port-density distinction should be evaluated against the existing endpoint schedule. SF550X-48P fits a denser replacement requirement; SF550X-24P fits an installation that needs the smaller access-port count.
C1300-48P-4X provides Gigabit access ports, while SF550X-48P access ports run at 10/100 Mbps. C1300-48P-4X is the current migration destination after discontinued intermediate models. SF550X-48P serves existing Fast Ethernet replacement requirements; C1300-48P-4X serves buyers moving the endpoint connections to Gigabit speed rather than retaining the older access rate.
United States
