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SG350-28P-K9-EU
Cisco SG350-28P-K9-EU 350 24-Port Gigabit PoE+ Switch, 4x1G...
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SG350-28P-K9-EU is a managed Layer 2+ access switch with 24 Gigabit PoE+ copper ports and four fixed Gigabit uplink interfaces: two dedicated SFP ports and two copper/SFP combo ports. The 1U rack-mount chassis belongs to the Cisco 350 Series and serves small-business data, voice, wireless, and surveillance connections. Powered access ports connect phones, access points, and cameras over the Ethernet connection used for data, while the uplinks connect the access switch to the rest of the network. Four powered ports also support 60W PoE within the shared power allocation. The discontinued SG350-28-K9-EU is the non-PoE sibling with comparable port connectivity. This model operates as a standalone access device rather than a hardware stack member.
SG350-28P-K9-EU price for new stock is is available on request. Get immediate quote. SG350-28P-K9-EU refurb price is $929.46.
Request bulk order quote for SG350-28P-K9-EU for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
56 Gbps switching capacity supports wire-speed switching across the interfaces, while 41.66 Mpps forwarding handles 64-byte packets. 195W of shared PoE output requires aggregate endpoint demand to remain within the available allocation. Static IPv4 routing supports up to 990 routes, and PBR directs matching traffic toward selected next hops. SG350-28P-K9-EU uses 512 MB of DRAM and 256 MB of flash for its management software and image storage. The SG350-28P shares a 1.5 MB packet buffer across its ports rather than reserving that capacity per interface. STP/RSTP/MSTP provide loop-control options; LACP supports configured link aggregation. Management is available through the browser utility and command line, with SNMP for monitoring. Automatic voice VLAN assignment and QoS provide separate handling for voice traffic. No 10G uplink is fitted.
SG350-28P-K9-EU is available from ORM Systems new sealed or certified refurbished; 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 required condition and accessories on the purchase order; ORM warranties are up to a 3-year extended term for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition, terms apply. Cisco's separate limited lifetime hardware warranty is subject to eligibility and ends with Cisco service on October 31, 2026. For enterprise and volume orders, PO is accepted, government buyers have Net-30 terms, and RMA includes advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 2 SFP / 2 combo uplinks |
PoE Budget | 195W shared |
Max Power Draw | 263W with PoE |
Cooling | 2 fans |
Lifecycle Status | Last support October 31, 2026 |
Replacement PID | C1300-24P-4G |
When an existing small-business network needs separate workgroups to communicate locally, the switch supports up to 128 IP interfaces for the planned segmentation. Map the required interfaces and traffic policies before committing hardware, then confirm the addressing plan, interface count, and upstream handoff before the purchase order.
When repeated branch builds need a common configuration baseline, text-editable configuration files and SCP-based autoconfiguration support preparing settings before deployment. The CLI separates access into privilege levels 1, 7, and 15, so define who can change production settings and specify the staging configuration before placing a volume order.
When a troubleshooting lab needs packet capture before equipment enters service, port mirroring supports a single session with up to eight source ports feeding one destination. Reserve the analyzer connection in the test plan, identify the source interfaces, and specify the required capture arrangement before ordering staging units.
10G uplinks to distribution
The fixed uplinks stop at 1G and cannot accept a 10G uplink card. C1300-24P-4X provides 24 Gigabit access ports with four 10G SFP+ uplinks.
A single hardware stack
The SG350-28P operates as a standalone switch, not a hardware stack member. Network-level management does not combine multiple chassis into a single hardware stack.
Manufacturer service beyond October 2026
Cisco service for SG350-28P-K9-EU ends October 31, 2026. For a replacement purchase that avoids that cutoff, the current migration path ends at C1300-24P-4G.
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| SG350-28P-K9-EU |  SG350-28P |  SG350-28P-K9 |  SG350-28SFP |  SG350-28MP-K9 | |
|---|---|---|---|---|---|
| Depth | 257 mm | 257 mm | 257 mm | 203 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 | SG350-28P-K9-EU | SG350-28P | SG350-28P-K9 | SG350-28SFP | SG350-28MP-K9 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 263W | 263W | 263W | 34.3W | 451.2W |
| SFP Ports | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 26 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 56 Gbps | 56 Gbps | 56 Gbps | 56 Gbps | 56 Gbps |
| Weight | 3.83 kg | 3.83 kg | 3.83 kg | 2.7 kg | 3.37 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG350-28P-K9-EU identifies a Gigabit 350 Series switch with 28 logical network ports and PoE+ access. The 28 comprises 24 copper access ports and four uplink interfaces; P distinguishes the powered configuration. EU identifies the regional ordering form for the European Union and other designated markets. Retain K9 in the complete ordering identifier.
The Cisco 350 Series provides HTTP/HTTPS browser management, Textview CLI through the RJ-45 console or SSH/Telnet, and SNMP v1/v2c/v3. Network-level options include Smart Network Application, FindIT Network Manager with an embedded Probe, FindIT Network Discovery Utility, and Cisco Active Advisor. The browser interface includes simple and advanced configuration modes.
SG350-28P-K9-EU is discontinued: end of sale was October 30, 2021, and last support is October 31, 2026. Software maintenance ended October 30, 2022. The original replacement, CBS350-24P-4G-EU, is also discontinued; the current migration path ends at C1300-24P-4G. Account for remaining Cisco support before committing to additional units.
ORM Systems offers SG350-28P-K9-EU new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Returns are 30 days on every condition; terms apply. Cisco's separate limited lifetime hardware warranty is subject to eligibility and ends with Cisco service on October 31, 2026.
SG350-28P-K9-EU replaces the discontinued SG300-28PP-K9-EU. Match the exact older identifier when planning a replacement because a similar port count alone does not establish the migration relationship. SG350-28P-K9-EU is also discontinued, and the forward migration path now ends at C1300-24P-4G rather than the discontinued intermediate CBS350-24P-4G-EU.
SG350-28P-K9-EU provides a shared 195W PoE budget across 24 powered access ports. Four ports support 60W PoE, while the other powered ports support 30W. Even 24 x 30W equals 720W, exceeding the available budget. Add each endpoint's required allocation before deciding how many powered devices to connect.
The SG350-28P supports MGBSX1 for multimode fiber and MGBLX1 for single-mode fiber at Gigabit speed. Two SFP ports are dedicated, and two additional SFP interfaces share combo ports with copper connections. Each combo uses one medium at a time. Order the selected transceivers separately and match them to the fiber link.
No, the SG350-28P operates as a standalone switch rather than a hardware stack member. Smart Network Application can monitor and manage multiple switches, but that management arrangement does not create a hardware stack. Specify individual switch configurations and ordinary network interconnections when adding another unit to an existing installation.
SG350-28P-K9-EU supports static IPv4 routing with up to 990 routes and 128 IP interfaces, plus PBR for directing matching traffic to selected next hops. Routes are configured rather than exchanged through dynamic routing. Check the required interface count, route inventory, and upstream routing responsibilities before using the switch for local inter-VLAN forwarding.
SG350-28P-K9-EU powers connected endpoints, while SG350-28-K9-EU provides non-PoE access. Both products are discontinued. The powered model serves an installed phone or wireless-access deployment; the non-PoE model serves devices with separate power. For like-for-like replacement, distinguish endpoint power requirements before comparing otherwise similar connection counts.
SG350-52P has 48 copper access ports, whereas SG350-28P-K9-EU has 24. Both models are discontinued. The larger model addresses higher-density endpoint connections, while the smaller model addresses fewer access connections. Match the installed connection requirement before considering either model for a legacy replacement or spare-hardware purchase.
C1300-24P-4G provides four dedicated 1G SFP uplinks, whereas SG350-28P-K9-EU provides two dedicated SFP uplinks and two copper/SFP combo uplinks. C1300-24P-4G is the current endpoint of the replacement chain. The successor serves a current replacement purchase; the discontinued older model addresses a like-for-like legacy hardware requirement.
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