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SX350X-24-K9-EU
Cisco SX350X-24-K9-EU 350X 20-Port 10 Gigabit Ethernet Switc...
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SX350X-24-K9-EU provides managed, non-PoE 10 Gigabit Ethernet connectivity for small-business networks in a 1U rack chassis. Twenty dedicated copper ports sit alongside four fixed copper/SFP+ combo connections, providing 24 active network connections rather than 28 independent ports. Selecting fiber on a combo connection disables its paired copper interface. Layer 2+ operation combines Ethernet switching with routing capabilities suited to manually maintained network paths. Within the Cisco 350X Series, a separate Gigabit out-of-band management connection keeps administrative access distinct from production interfaces. The discontinued SX350X-12-K9-EU offers 12 copper network connections instead, making port density the distinguishing hardware choice between these models. Copper and fiber network interfaces support 1G as well as 10G, so connection speed and media must match the attached equipment.
SX350X-24-K9-EU price for new stock is is available on request. Get immediate quote. SX350X-24-K9-EU refurb price is $3,806.25.
Request bulk order quote for SX350X-24-K9-EU for additional pricing. Browse the full Cisco SX350X Switches series or explore all Cisco products.
480 Gbps switching capacity supports traffic exchange across the network interfaces, while 240 Mpps forwarding performance specifies packet handling with 64-byte packets. Static IPv4 routing accommodates 990 routes and 128 IP interfaces for communication between configured networks; IPv6 static routing supports 245 routes and 106 interfaces. Dynamic route exchange is not supported. SX350X-24-K9-EU carries 512 MB of DRAM and 256 MB of flash, with dual-image support providing separate software images for upgrade management. The SX350X-24 supports 32000 MAC addresses and 4094 active VLANs for address learning and traffic segmentation. STP, RSTP, and MSTP provide spanning-tree operation, while LACP supports eight aggregation groups with eight active ports per group. Browser configuration, a scriptable CLI, and SNMP provide local and remote administration. 124.5W maximum power consumption sets the electrical allowance for the chassis; four fans provide active cooling across an operating range of 0°C to 50°C.
Specify SX350X-24-K9-EU in new sealed or certified refurbished condition, and confirm the regional power cord and required connection accessories before issuing the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, optics bay recognition, PSU and fan status, and a clean boot; firmware is verified and configurations are wiped to factory default. 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. PO purchasing is accepted, with Net-30 for government and RMA with advance replacement available for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 20 x 10G copper / 4 x 10G copper/SFP+ combo |
Stacking | Hardware stacking / 4 members |
Max Power Draw | 124.5W |
Cooling | 4 fans |
Replaces | SG350XG-24T-K9-EU / End-of-sale June 18, 2020 |
Replacement PID | C1300-24XT |
When extending an installed SG350X or SG350XG stack, SX350X switches support mixed-family membership rather than requiring an entirely separate managed system. Ring and chain arrangements are supported, with network interfaces used for stack interconnections. Identify the existing members and reserve the intended interconnect ports before specifying the additional chassis on the PO.
When validating access policies before installation, the switch supports up to 2000 ACL entries and jumbo frames up to 9000 bytes. These limits establish boundaries for policy size and frame handling during staging. Specify the intended configurations, frame sizes, and acceptance tests before placing the hardware order.
When preparing switches for a branch rollout, SX350X-24-K9-EU includes a Cisco Network Plug and Play agent with Cisco PnP Connect support. An embedded FindIT Network Probe also supports network discovery and management workflows. Specify the provisioning method and management integration required by the rollout before finalizing the PO.
PoE power for connected endpoints
SX350X-24-K9-EU cannot power endpoints. C1300-24P-4X provides PoE with 24 Gigabit access ports and four 10G uplinks, rather than 10G copper access.
Dynamic routing between networks
SX350X-24-K9-EU supports static IPv4 and IPv6 routes, not dynamic route exchange. Networks requiring automatic routing-protocol convergence exceed this switch's routing capabilities.
Mon–Fri: [09:00-16:00]
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| SX350X-24-K9-EU |  SX350X-52-K9-EU |  SX350X-24-K9-UK |  SX350X-12-K9 |  SX350X-08-K9-UK | |
|---|---|---|---|---|---|
| Depth | 350 mm | 450 mm | 350 mm | 203 mm | 203 mm |
| Ethernet Technology | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 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 | SX350X-24-K9-EU | SX350X-52-K9-EU | SX350X-24-K9-UK | SX350X-12-K9 | SX350X-08-K9-UK |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 124.5W | 234.4W | 124.5W | 64.1W | 50.3W |
| Switching Capacity | 480 Gbps | 1040 Gbps | 480 Gbps | 240 Gbps | 160 Gbps |
| Weight | 5.1 kg | 7.29 kg | 5.1 kg | 2.93 kg | 2.98 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SX350X-24-K9-EU identifies the SX350X model line, a 24-port 10GBase-T stackable managed switch, and the EU regional ordering form. K9 remains part of the complete ordering identifier. The EU suffix covers the European Union and additional designated markets; it does not indicate a different port configuration.
SX350X-24-K9-EU provides 24 independent network connections: 20 dedicated 10G copper ports and four copper/SFP+ combo connections. Each combo connection activates either its copper interface or its SFP+ interface, not both. The separate Gigabit out-of-band management port does not add another production network connection.
The Cisco 350X Series supports HTTP/HTTPS browser management, full or menu CLI through console, SSH or Telnet, and SNMP versions 1, 2c, and 3. Smart Network Application, FindIT Network Manager, Active Advisor, and an embedded FindIT Network Probe provide additional management paths. Network Plug and Play supports provisioning workflows.
Yes, SX350X-24-K9-EU supports four-member hardware stacking, including mixed stacks with SG350X and SG350XG switches. Ring and chain connections use 10G network interfaces rather than a separate stack-adapter system. Supported copper interconnect options include SFP-H10GB-CU1M=, SFP-H10GB-CU3M=, and SFP-H10GB-CU5M=; reserve the selected interfaces when planning port usage.
SX350X-24-K9-EU supports static IPv4 and IPv6 routing, with 990 IPv4 static routes and 245 IPv6 static routes. IPv4 configuration supports 128 IP interfaces, while IPv6 supports 106 interfaces. Routing interfaces can use physical ports, link aggregation groups, VLAN interfaces, or loopback interfaces; dynamic route exchange is not included.
The SX350X-24 supports SFP-10G-SR= and SFP-10G-SR-S= for 10G multimode fiber, plus SFP-10G-LR= and SFP-10G-LR-S= for 10G single-mode fiber. The long-reach options support 10 km links. Select optics for the fiber type and distance, remembering that an active fiber connection replaces its paired copper connection.
Yes, SX350X-24-K9-EU reached end of sale on July 30, 2022, and its last date of support is July 31, 2027. Software maintenance ended July 30, 2023. The original replacement, CBS350-24XT-EU, is also discontinued; the forward migration chain now reaches C1300-24XT for current-generation purchasing.
SX350X-24-K9-EU replaces SG350XG-24T-K9-EU, whose end-of-sale date was June 18, 2020. That predecessor is discontinued, and the replacement switch has subsequently reached end of sale too. For an installed-base replacement, distinguish like-for-like hardware requirements from a migration purchase that follows the chain to C1300-24XT.
SX350X-24-K9-EU provides non-PoE 10G copper connections, whereas SG350X-24P-K9-EU provides 24 Gigabit PoE+ access ports with a shared 195W power budget. Both models are discontinued. The former addresses installed-base 10G data connectivity; the latter addresses legacy powered-endpoint requirements where Gigabit access and its shared power allocation are acceptable.
SX350X-24-K9-EU provides 24 copper network connections with four shared SFP+ interfaces, while SX350X-12-K9-EU provides 12 copper connections with two shared SFP+ interfaces. Both models are discontinued. The larger model suits installed-base replacements needing greater connection density; the smaller model suits replacements retaining the lower-density configuration.
C1300-24XT is the current successor in the migration chain, while SX350X-24-K9-EU ended sale on July 30, 2022. The chain passes through the discontinued CBS350-24XT-EU. Existing SX350X installations may require like-for-like replacement hardware; buyers standardizing on the current replacement should specify C1300-24XT rather than the discontinued intermediate model.
The SX350X-24 requires 1U of rack space and measures 440 mm wide, 44 mm high, and 350 mm deep, with a weight of 5.1 kg. Four fans provide active cooling. Allow for cable connections and airflow when checking the installation space; the operating temperature range is 0°C to 50°C.
ORM Systems offers SX350X-24-K9-EU new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty. Both conditions include 30-day returns; terms apply. Cisco's separate limited lifetime hardware warranty is bounded by the last date of support, July 31, 2027, and remains subject to eligibility.
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