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SG350X-48P-K9-EU
Cisco SG350X-48P-K9-EU 350X 48-Port Gigabit PoE+ Switch, 4x1...
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SG350X-48P-K9-EU is a Layer 2+ managed access switch with 48 Gigabit PoE+ ports and four fixed 10G uplinks for SMB networks. Two dedicated SFP+ uplinks sit alongside two copper/SFP+ combo uplinks, with only one medium active on each combo pair. The 1U rack-mount chassis belongs to the Cisco 350X Series and connects IP phones, wireless access points, and other Ethernet endpoints without a removable uplink card. The discontinued SG350X-48MP-K9-EU sibling provides a larger 740W aggregate PoE allocation. Cisco Small Business managed switches in this family support hardware stacking with unified data and control planes, rather than management-only grouping. This configuration combines powered Gigabit endpoint connections with a choice of copper or fiber upstream connections.
SG350X-48P-K9-EU price for new stock is is available on request. Get immediate quote. SG350X-48P-K9-EU refurb price is $1,165.09.
Request bulk order quote for SG350X-48P-K9-EU for additional pricing. Browse the full Cisco SG350X Switches series or explore all Cisco products.
176 Gbps switching capacity supports nonblocking transfer across the installed ports, while 130.94 Mpps forwarding describes performance with 64-byte packets. 382W of shared PoE power requires allocation across connected endpoints rather than assuming simultaneous maximum loading on every port. Static IPv4 routing supports local subnet communication with a ceiling of 990 static routes; dynamic routing is not included in this feature set. The address-learning capacity accommodates 16000 MAC entries. SG350X-48P-K9-EU has 512 MB of CPU memory and 256 MB of flash, while a 3 MB packet buffer is dynamically shared across ports. STP/RSTP/MSTP controls switching loops, and LACP supports aggregated connections. Administrative access includes browser configuration, scriptable Textview CLI, and SNMP monitoring. Three fans cool the internally powered chassis, which requires an operating ambient temperature between 0°C and 50°C. 492.3W maximum whole-switch consumption provides the power-provisioning reference when PoE loads are included, rather than the endpoint power allocation alone.
SG350X-48P-K9-EU is offered by ORM Systems new sealed or certified refurbished, with up to a 3-year extended ORM warranty on new units, up to 1 year on refurbished units, and 30-day returns on both conditions, terms apply. Refurbished units are inspected and bench-tested for power-on, POST, rated-speed port links, clean boot, and PoE output under load on every powered port; firmware is verified and configurations are wiped to factory default. Specify condition and quantities on the PO; Cisco's limited lifetime hardware warranty cannot extend beyond October 31, 2026. Enterprise and volume orders support PO acceptance, Net-30 for government, and RMA with 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+ / 4 x 10G, two combo |
PoE Budget | 382W |
Stacking | Hardware stacking / 4 members |
Replaces | SF550X-48P-K9-EU; end of sale June 18, 2020 |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | C1300-48P-4X |
When endpoint purchases introduce higher power demands, SG350X-48P-K9-EU supports 60W PoE on eight selected ports rather than on every access port. Identify which devices require those connections and distinguish standard PoE+ loads from higher-power loads; specify endpoint power requirements and their port assignments before issuing the purchase order.
When a branch adds routed IPv6 subnets, SG350X-48P-K9-EU supports 245 IPv6 static routes and 106 IPv6 interfaces. Layer 3 interfaces can terminate on physical ports, link aggregation groups, VLAN interfaces, or loopbacks. Create the interface plan and identify required next hops, then specify the routing configuration before the purchase order.
When a rollout requires repeatable configuration across locations, SG350X-48P-K9-EU supports text-editable configuration files, secure SCP transfers, and Cisco PnP Connect. These provide distinct configuration delivery paths for staging and deployment. Choose the provisioning workflow, prepare the configuration files, and specify the required device quantities before releasing the branch purchase order.
Native multigigabit endpoint access
SG350X-48P-K9-EU has Gigabit Ethernet access ports, not 2.5G or 5G downlinks. Its 10G uplinks cannot increase the native speed of an endpoint connected to an access port.
Fanless operation in occupied spaces
SG350X-48P-K9-EU uses three fans. An installation requiring passive cooling cannot meet that requirement with this chassis; its cooling is active rather than fanless.
Cisco support beyond October 2026
SG350X-48P-K9-EU reaches Cisco's last date of support on October 31, 2026. The current migration endpoint is C1300-48P-4X, whose four SFP+ uplinks replace the mixed copper/fiber arrangement.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| SG350X-48P-K9-EU |  SG350X-8PMD |  SG350X-12PMV-K9-EU |  SG350X-24PV-K9-UK |  SG350X-48P | |
|---|---|---|---|---|---|
| Depth | 350 mm | 252.5 mm | 257 mm | 350 mm | 350 mm |
| Ethernet Technology | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | Multi-Gigabit (2.5G/5G) | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG350X-48P-K9-EU | SG350X-8PMD | SG350X-12PMV-K9-EU | SG350X-24PV-K9-UK | SG350X-48P |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 492.3W | 312.4W | 494.5W | 488.9W | 492.3W |
| Switching Capacity | 176 Gbps | 80 Gbps | 200 Gbps | 192 Gbps | 176 Gbps |
| Weight | 5.82 kg | 2.74 kg | 4.24 kg | 5.3 kg. | 5.82 kg. |
| Width | 440 mm | 344.4 mm | 440 mm | 440 mm | 440 mm |
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SG350X-48P-K9-EU identifies an SG350X stackable Gigabit model with 48 PoE+ access ports and the EU regional ordering suffix. SG350X identifies the model family, 48 gives the access-port count, and P identifies the powered variant. Retain K9 in the complete orderable identifier. EU covers multiple countries and regions, not just European Union destinations.
SG350X-48P-K9-EU is managed through an HTTP/HTTPS web interface, a full or menu CLI over its RJ-45 console or SSH/Telnet, and SNMP v1, v2c, or v3. The 350X Series also supports Smart Network Application, FindIT Network Manager with an embedded FindIT Network Probe, and Active Advisor. Specify administrative access settings before deployment.
SG350X-48P-K9-EU ended sale on October 30, 2021, and reaches its last date of Cisco support on October 31, 2026. Its immediate replacement, CBS350-48P-4X-EU, is also discontinued and ended sale on October 29, 2024. C1300-48P-4X is the current migration endpoint after that intermediate model, rather than another discontinued replacement.
SG350X-48P-K9-EU is offered new sealed with up to a 3-year extended ORM warranty or certified refurbished with up to a 1-year ORM warranty; Cisco's limited lifetime hardware warranty cannot extend beyond October 31, 2026. Both conditions include 30-day returns, terms apply. Cisco entitlement remains subject to the applicable hardware warranty terms.
SG350X-48P-K9-EU replaces the discontinued SF550X-48P-K9-EU, a 48-port 10/100 PoE stackable switch that ended sale on June 18, 2020. The SG350X replacement moves access connections to Gigabit Ethernet. For a current-generation purchase, the forward migration path now ends at C1300-48P-4X rather than at another discontinued intermediate model.
SG350X-48P-K9-EU provides a shared 382W PoE budget across 48 powered access ports; eight selected ports allow 60W and the others allow 30W. Individual port limits do not guarantee simultaneous maximum loading. Allocate the shared budget against actual endpoint requirements and identify which devices need the higher-power ports before finalizing the order.
SG350X-48P-K9-EU has four fixed 10G uplinks: two dedicated SFP+ ports and two copper/SFP+ combo ports. Only one medium is active on each combo pair. SFP-10G-SR= supports 10G multimode fiber, and SFP-10G-LR= supports 10G single-mode fiber; select the transceiver PID for the installed fiber and required connection reach.
Cisco 350X Series hardware stacking supports four members over 10G copper or fiber interconnects, in ring or chain topologies. Hybrid stacks can include SG350X, SG350XG, and SX350X members. Supported copper coax options include SFP-H10GB-CU1M= at 1 m, SFP-H10GB-CU3M= at 3 m, and SFP-H10GB-CU5M= at 5 m. Reserve interconnect ports before ordering.
Cisco 350X Series switches support IPv4 and IPv6 static routing, including 990 IPv4 static routes and 245 IPv6 static routes. The IPv4 interface limit is 128, and the IPv6 interface limit is 106. Interfaces can terminate on physical ports, LAGs, VLAN interfaces, or loopbacks. Size the routing design against both route and interface limits.
The 48-port Gigabit PoE+ 350X switch fits a standard rack as a 1U unit and includes a mounting kit. Its chassis measures 440 mm wide, 44 mm high, and 350 mm deep, and weighs 5.82 kg. Allow space for the chassis and connections when checking rack depth and installation clearances.
SG350X-48P-K9-EU uses an internal AC supply accepting 100-240V AC. Maximum PoE-inclusive power consumption is 492.3W, whereas 382W describes the power allocated to endpoints. Size AC power and UPS provisioning for whole-switch consumption rather than treating the PoE budget as chassis input draw; those figures represent different electrical requirements.
SG350X-48MP-K9-EU offers 740W of PoE power where SG350X-48P-K9-EU offers 382W. Both models are discontinued. For installed-base comparisons, the higher-budget model addresses larger aggregate powered-endpoint loads, while the lower-budget model fits smaller allocated loads; neither model's budget should be assumed to power every port at its individual maximum.
SG350X-48P-K9-EU has 48 Gigabit PoE+ access ports, where SG350X-24P-K9-EU has 24. Both models are discontinued, and this comparison applies to existing 350X installations. The 48-port model serves buyers consolidating more endpoint connections into one chassis; the 24-port model serves buyers matching a smaller legacy access-port requirement.
C1300-48P-4X has four 10G SFP+ uplinks, where SG350X-48P-K9-EU uses two dedicated SFP+ uplinks and two copper/SFP+ combo uplinks. The SG350X model is discontinued; C1300-48P-4X is the current migration endpoint following the also-discontinued CBS350-48P-4X-EU. The older unit matches existing mixed-media installations; the successor fits buyers standardizing on SFP+ uplinks.
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