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SG355-10P-K9-EU
Cisco SG355-10P-K9-EU 350 8-Port Gigabit PoE+ Switch, 2x1G C...
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SG355-10P-K9-EU is a fanless, Layer 2+ managed access switch for small-business networks, combining eight 10/100/1000 PoE+ access ports with two fixed Gigabit copper/SFP combo uplinks. Its full-width 1U chassis fits standard network racks rather than requiring desktop placement. The Cisco 350 Series supports wired workstations, IP phones, and wireless access points, and this powered configuration feeds compatible endpoints through Ethernet cabling. The discontinued SG350-10MP-K9-EU provides a larger 124W allocation for higher aggregate endpoint demand. Cisco Small Business features include traffic segmentation and access controls, allowing this configuration to serve an office edge that requires configurable forwarding and endpoint policies rather than unmanaged connectivity.
SG355-10P-K9-EU price for new stock is is available on request. Get immediate quote. SG355-10P-K9-EU refurb price is $849.45.
Request bulk order quote for SG355-10P-K9-EU for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
20 Gbps switching capacity supports nonblocking forwarding across the active interfaces, while 14.88 Mpps forwarding handles minimum-size Ethernet packets. 62W of shared PoE output requires endpoint allocations to remain within the aggregate limit, even though an individual powered port can supply 30W. 990 static IPv4 routes support intersubnet forwarding, and PBR selects next hops using IPv4 or IPv6 access rules; dynamic routing is absent. SG355-10P-K9-EU uses 512 MB of DRAM and 256 MB of flash for its control software and stored image. A dynamically shared 1.5 MB packet buffer handles traffic bursts across the ports. STP, RSTP, and MSTP control switching loops, while LACP groups physical links. Administration can use HTTPS, SSH, or SNMPv3 rather than relying only on local access. 83.5W maximum consumption including PoE is the input-load figure for sizing AC power. The MAC table accommodates 16000 addresses for learned endpoint forwarding.
ORM Systems offers SG355-10P-K9-EU new sealed or certified refurbished; new units carry up to a 3-year extended warranty, certified refurbished units carry up to 1 year, and returns cover 30 days on every condition, terms apply. Refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, optics bay recognition checked, and firmware verified before the configuration is wiped to factory default. Specify the condition, quantity, and required accessories on the purchase order for this switch. Enterprise and volume orders can use POs, government buyers can use Net-30, and RMA includes advance replacement, with regional stock/RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 8 x 1G PoE+ / 2 x 1G combo |
PoE Budget | 62W with AC power |
Powered by PoE | Yes via copper combo uplinks |
Cooling | Fanless |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | C1300-8P-E-2G current / CBS350-8P-2G-EU discontinued |
Where local AC is unavailable, upstream power changes how many downstream devices can be energized. Two PoE+ uplinks leave 22W for connected endpoints; two 60W PoE uplinks leave 50W. Specify the upstream power capability and downstream allocation together before approving the purchase order.
When replacing switches across several small offices, configuration consistency is a separate requirement from hardware matching. Text-editable configuration files support repeatable setup, while CLI privilege levels 1, 7, and 15 separate operator access. Specify the configuration baseline and administrator roles before releasing a volume order.
When a switch is being purchased for predeployment testing, traffic visibility can determine the staging plan. Port mirroring supports eight source ports feeding one destination in a single session, and dual firmware images support upgrade testing. Specify the capture connection and accepted firmware image before ordering.
10G uplinks to distribution
SG355-10P-K9-EU stops at 1G uplinks. C1300-8MGP-2X provides two 10G SFP+ uplinks, but also changes the downlinks to four 2.5G ports and four 1G ports.
Eight maximum-draw PoE+ endpoints
Eight endpoints requesting 30W each require 240W; available PoE output is 62W shared. This model cannot supply that simultaneous load, regardless of available physical ports.
Cisco support beyond October 2026
Cisco support ends October 31, 2026. C1300-8P-E-2G is the current migration model; the intermediate CBS350-8P-2G-EU is discontinued and should not be treated as a current replacement.
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| SG355-10P-K9-EU |  SG350-52P |  CBS350-8MP-2X |  SG350-10-K9-UK |  SG350-10MP-K9-NA | |
|---|---|---|---|---|---|
| Depth | 203 mm | 350 mm | 252 mm | 170 mm | 170 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Multi-Gigabit (2.5G) | Gigabit Ethernet | Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Desktop | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG355-10P-K9-EU | SG350-52P | CBS350-8MP-2X | SG350-10-K9-UK | SG350-10MP-K9-NA |
| Memory | 512 MB | 512 MB | 512 MB DRAM / 256 MB Flash | 512 MB | 512 MB |
| Power Consumption | 83.5W | 440W | 375W | 9.8W | 152.8W |
| Switching Capacity | 20 Gbps | 104 Gbps | 80 Gbps | 20 Gbps | 20 Gbps |
| Weight | 2.36 kg | 3.81 kg | 2.74 kg | 1.09 kg | 1.19 kg |
| Width | 440 mm | 440 mm | 344 mm | 280 mm | 280 mm |
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SG355-10P-K9-EU identifies the EU-region Cisco SG355-10P Gigabit PoE+ managed switch. SG355 is the model designation within the 350 Series; 10P covers ten logical interfaces, comprising eight powered access ports and two combo uplinks. K9 remains part of the complete ordering identifier, and EU selects the regional version.
SG355-10P-K9-EU is managed through its HTTP/HTTPS web interface, console CLI, SSH or Telnet CLI, SNMP, Smart Network Application, Cisco FindIT Network Manager, and Cisco Active Advisor. The embedded FindIT Network Probe supports network-level administration, while the browser interface provides simple and advanced modes for device configuration.
SG355-10P-K9-EU reached end of sale on October 30, 2021, and Cisco support ends October 31, 2026. Software maintenance releases ended October 30, 2022. CBS350-8P-2G-EU was the direct replacement but is also discontinued; C1300-8P-E-2G is the current model at the end of that migration chain.
ORM Systems offers SG355-10P-K9-EU new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on refurbished units. Returns cover 30 days on every condition; terms apply. Cisco's limited lifetime hardware warranty is bounded by October 31, 2026, when Cisco service ends.
SG355-10P-K9-EU supplies a shared 62W PoE budget when operating from AC power, with a 30W maximum on an individual powered access port. Eight ports do not mean eight simultaneous 30W allocations: that load would require 240W. Size the combined endpoint allocation against the available shared budget.
Yes, SG355-10P-K9-EU can receive power through its copper combo uplinks, but downstream PoE availability depends on the upstream source. Two PoE+ uplinks provide 22W for endpoints, while two 60W PoE uplinks provide 50W. A single PoE+ uplink powers the switch without leaving downstream PoE output.
The Cisco SG355-10P supports two 1G SFP combo uplinks, with MGBSX1 for multimode fiber and MGBLX1 for single-mode fiber among its compatible transceivers. Each SFP slot shares a logical interface with its corresponding copper connector. Select the transceiver for the installed fiber rather than expecting simultaneous copper and fiber operation.
The Cisco 350 Series provides static IPv4 routing with 990 routes and 128 IP interfaces on this model, together with IPv6 routing and PBR. Routed interfaces can use physical ports, link aggregation groups, VLAN interfaces, or loopbacks. The routed feature set does not include dynamic routing protocol operation.
Yes, the Cisco SG355-10P is a full-width 1U rack switch measuring 440 mm wide, 44 mm high, and 203 mm deep. Its weight is 2.36 kg. Unlike narrower desktop members of the family, this chassis occupies a standard rack position and uses fanless cooling.
No, SG355-10P-K9-EU does not provide redundant internal power supply modules. The internal AC supply is the primary source when AC is connected and working, while the PoE powered-device function can act as backup. That upstream power option does not create a second internal supply or preserve the AC-powered downstream budget.
SG355-10P-K9-EU has a 62W PoE budget, while SG350-10MP-K9-EU provides 124W, giving the latter more shared endpoint power. Both models are discontinued. For legacy sparing, SG355-10P-K9-EU fits installations sized within its allocation; SG350-10MP-K9-EU addresses higher aggregate powered-device demand when that exact legacy configuration must be retained.
SG355-10P-K9-EU has an internal AC supply, whereas SG350-10P-K9-EU uses an external AC adapter. Both models are discontinued. For existing installations, SG355-10P-K9-EU suits buyers retaining an internal-supply arrangement; SG350-10P-K9-EU suits replacements where the external-adapter arrangement and its associated power connection must be preserved.
SG355-10P-K9-EU is discontinued and reaches its final Cisco support date on October 31, 2026, while C1300-8P-E-2G is the current migration model. The intermediate CBS350-8P-2G-EU is also discontinued. SG355-10P-K9-EU serves exact-model legacy replacement requirements; C1300-8P-E-2G suits buyers moving away from the expiring support horizon.
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