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SG350-28P-K9-UK
Cisco SG350-28P-K9-UK 350 24-Port Gigabit PoE+ Switch, 2x1G...
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SG350-28P-K9-UK is a managed Layer 2+ switch with 24 Gigabit PoE+ access ports and fixed uplinks consisting of two dedicated SFP ports and two copper/SFP combo ports. The 1U rack chassis belongs to the Cisco 350 Series and serves small-business data, voice, wireless and surveillance networks. Each combo connection uses either its copper socket or its SFP cage, not both simultaneously. Unlike the discontinued SG350-28-K9-UK, this model supplies power to attached endpoints. The SG350-28P combines endpoint connections and separate network links without an uplink expansion card. VLAN controls separate employee, guest and voice traffic; protected ports can isolate devices within the same VLAN. Buyers specifying fiber connections retain the copper alternative on the combo uplinks rather than committing every uplink connection to fiber.
SG350-28P-K9-UK price for new stock is is available on request. Get immediate quote. SG350-28P-K9-UK refurb price is $1,780.36.
Request bulk order quote for SG350-28P-K9-UK for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
56 Gbps switching capacity permits wire-speed, nonblocking forwarding across the switch. 41.66 Mpps forwarding at 64-byte packets defines packet-processing capacity for small-frame traffic. 195W of shared PoE power must be allocated across connected endpoints; four powered ports support 60W, while the remaining powered ports support 30W each. Static IPv4 routing supports 990 routes and 128 IP interfaces, with PBR directing selected traffic to specified next hops rather than dynamically learning routes. SG350-28P-K9-UK uses 512 MB of memory and 256 MB of flash for its embedded software and configuration storage. A dynamically shared 1.5 MB packet buffer handles traffic across the ports. STP, RSTP, MSTP and LACP control redundant links and aggregated connections. For Cisco Small Business deployments, browser-based configuration and Textview CLI provide administration, while SNMPv3 supplies authenticated network monitoring. Two fans provide active cooling, so this chassis is not fanless.
ORM Systems supplies SG350-28P-K9-UK new sealed or certified refurbished, with up to a 3-year extended warranty for new units, up to 1 year for refurbished units, and 30-day returns on every condition; terms apply. Refurbished units are inspected and bench-tested, including PoE output under load on every powered port and optics bay recognition; firmware is verified and configurations are wiped to factory default. Specify condition, mounting hardware, power cord and required optics on the purchase order. Enterprise and volume procurement includes 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 | 24x1G PoE+ / 2x1G SFP / 2x1G combo |
PoE Budget | 195W shared |
Max Power Draw | 263W |
Replaces | SG300-28PP-K9-UK / End-of-sale August 2, 2018. |
Lifecycle Status | End-of-sale October 30, 2021 / Support ends October 31, 2026. |
Replacement PID | C1300-24P-4G. |
When adding another branch, an embedded FindIT Network Probe runs directly on the switch rather than requiring a separate probe appliance or virtual machine. Cisco PnP Connect supports provisioning workflows alongside network discovery. Specify the management workflow, staging configuration and branch quantities before submitting the purchase order.
For repeat site builds, text-editable configuration files can be downloaded to another switch, while CLI privilege levels 1, 7 and 15 separate administrative access. A common configuration still needs site-specific addressing and port assignments. Specify the baseline configuration and access roles before ordering multiple units for standardized deployment.
When preparing a troubleshooting or acceptance-test bench, port mirroring supports eight source ports feeding one destination port within a single session. The analyzer connection therefore needs its own assigned destination. Specify the monitoring connection and identify the source ports before ordering the switch for lab or staging work.
10G uplinks to distribution
SG350-28P-K9-UK limits uplinks to 1G. C1300-24P-4X is the current alternative with 24 Gigabit PoE access ports and four 10G SFP+ uplinks.
Dynamically learned IP routes
SG350-28P-K9-UK provides static IPv4 routing and policy-based forwarding; deployments that require dynamic route learning need a different switch with that routing capability.
A fanless switch chassis
SG350-28P-K9-UK has two fans and uses active cooling, so the chassis does not meet a requirement for a fanless switch.
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| SG350-28P-K9-UK |  SG350-52 |  SG350-8PD |  SG350-28P |  CBS350-16XTS | |
|---|---|---|---|---|---|
| Depth | 257 mm | 257 mm | 252.5 mm | 257 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet | 10 Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG350-28P-K9-UK | SG350-52 | SG350-8PD | SG350-28P | CBS350-16XTS |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB DRAM / 256 MB Flash |
| Power Consumption | 263W | 40.4W at 110V AC | 167W | 263W | 57.7W |
| Switching Capacity | 56 Gbps | 104 Gbps | 62 Gbps | 56 Gbps | 320 Gbps |
| Weight | 3.83 kg | 2.75 kg | 2.5 kg | 3.83 kg | 3.79 kg |
| Width | 440 mm | 440 mm | 344.4 mm | 440 mm | 440 mm |
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SG350-28P-K9-UK identifies a Cisco 350 Series Gigabit PoE managed switch in the UK regional ordering group. SG350 identifies the model family, 28 denotes total network connections, and P identifies powered access ports. UK also covers Saudi Arabia, Qatar, Kuwait, Singapore, Hong Kong and Malaysia.
SG350-28P-K9-UK is managed through an HTTP/HTTPS web interface, Textview CLI over console, SSH or Telnet, and SNMP versions 1, 2c and 3. Network tools include Smart Network Application, FindIT Network Manager with its embedded Probe, FindIT Network Discovery Utility and Cisco Active Advisor. Cisco PnP Connect supports provisioning.
SG350-28P-K9-UK reached end of sale on October 30, 2021, and Cisco support ends October 31, 2026. Software maintenance ended October 30, 2022. The first replacement, CBS350-24P-4G-UK, is also discontinued, with end of sale October 29, 2024; the current migration endpoint is C1300-24P-4G.
ORM Systems offers SG350-28P-K9-UK new sealed or certified refurbished. ORM warranties are up to a 3-year extended warranty for new units and up to 1 year for refurbished units, with 30-day returns on every condition; terms apply. Cisco's limited lifetime hardware warranty is bounded by the last support date, October 31, 2026.
SG350-28P-K9-UK replaces SG300-28PP-K9-UK, the earlier 28-port Gigabit PoE+ managed switch. That predecessor reached end of sale on August 2, 2018. For an installed-unit replacement, verify the uplink media and endpoint power allocation, and include configuration review in the staging plan before putting the replacement into service.
195W is the shared PoE budget of SG350-28P-K9-UK across 24 powered access ports. Four ports support 60W, while the other powered ports support 30W each. Port capability does not guarantee simultaneous maximum output on every connection; size the endpoint load against the total available budget.
SG350-28P-K9-UK supports MGBSX1 for 500 m multimode fiber and MGBLX1 for 10 km single-mode fiber at 1G. The switch has two dedicated SFP ports plus two copper/SFP combo ports. Each combo connection activates only one medium at a time, so specify compatible optics and the intended uplink media.
Yes, the Cisco 350 Series supports static routing between VLANs, with 990 IPv4 static routes and 128 IP interfaces. PBR can direct selected IPv4 or IPv6 traffic to a specified next hop. These capabilities support manually configured routing rather than a requirement for dynamically learned routes.
Yes, the SG350-28P has a 1U rack-mount chassis measuring 440 mm wide, 44 mm high and 257 mm deep, with a weight of 3.83 kg. A mounting kit is included in the original package. Confirm mounting hardware and available chassis depth when specifying the order.
SG350-28P-K9-UK uses an internal universal AC power supply accepting 100-240V at 50-60 Hz, rather than an external power adapter. The chassis does not provide redundant internal power supplies. Worst-case consumption including PoE is 263W at 110V or 255.1W at 220V, so size upstream power equipment for the complete load.
SG350-28P-K9-UK powers 24 Gigabit access ports, whereas SG350-28-K9-UK has 24 non-PoE Gigabit access ports. Both models are discontinued. The powered model addresses legacy endpoint-power requirements; the non-PoE model addresses legacy connections where attached devices receive power separately. Match the replacement to the installed equipment's power requirements.
SG350-52P-K9-UK has 48 Gigabit PoE access ports, compared with 24 on SG350-28P-K9-UK. Both models are discontinued. The higher-density model addresses legacy installations needing more endpoint connections in one chassis; the smaller model addresses a replacement requirement centered on 24 powered connections rather than additional port density.
C1300-24P-4G provides four dedicated 1G SFP uplinks, whereas SG350-28P-K9-UK provides two dedicated SFP uplinks plus two copper/SFP combo uplinks. The SG350 model is discontinued; C1300-24P-4G is the current endpoint of its replacement chain. The older model matches legacy mixed-media uplink arrangements, while the successor addresses current procurement requirements.
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