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SG350X-24P-K9-NA
Cisco SG350X-24P-K9-NA 350X 24-Port Gigabit PoE+ Switch, 4x1...
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SG350X-24P-K9-NA is a managed Layer 2+ access switch with 24 Gigabit Ethernet PoE+ ports and four fixed 10G uplinks in a 1U rack-mount chassis. Two uplinks are dedicated SFP+ interfaces; the other two are 10GBASE-T/SFP+ combo interfaces, with only one medium active in each pair. The Cisco 350X Series serves small and medium-sized business networks connecting wireless access points and IP phones. Endpoint connections remain Gigabit even when uplinks operate at the higher speed. The discontinued SG350X-24-K9-NA sibling retains the same access-port count without supplying PoE. These Cisco Small Business managed switches also support automatic voice VLAN assignment and QoS treatment for telephony traffic, allowing endpoint traffic classification alongside powered access connections.
SG350X-24P-K9-NA price for new stock is $2,094.75. SG350X-24P-K9-NA refurb price is $1,401.75. SG350X-24P-K9-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SG350X-24P-K9-NA for additional pricing. Browse the full Cisco SG350X Switches series or explore all Cisco products.
128 Gbps switching capacity provides nonblocking forwarding across the interfaces, while 95.23 Mpps forwarding handles 64-byte packets. 195W of shared PoE power limits total endpoint allocation rather than guaranteeing maximum draw on every powered port. Static IPv4 and IPv6 routing supports routed VLAN interfaces without a dynamic routing feature set. SG350X-24P-K9-NA carries 512 MB DRAM and 256 MB flash for its embedded software. A 1.5 MB packet buffer is shared dynamically across the ports, and the MAC table holds 16000 entries. STP, RSTP, MSTP, and LACP support loop prevention and aggregated links; link aggregation supports eight groups. Browser-based HTTP/HTTPS administration, an RJ-45 console, SSH, Telnet, and SNMP provide local and network management paths. The software supports dual images for firmware upgrades, while sFlow exports traffic samples to external collectors for analysis. Two fans provide active cooling, so cabinet ventilation and acoustic requirements belong in the installation check rather than assuming fanless operation.
Specify SG350X-24P-K9-NA in new sealed or certified refurbished condition, stating quantity and condition on the purchase order. Certified refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port; firmware is verified and configuration is wiped to factory default. New units carry up to a 3-year extended ORM warranty and certified refurbished units up to 1 year; returns are 30 days on every condition, terms apply, while Cisco’s limited lifetime hardware warranty is bounded by October 31, 2026. ORM Systems accepts POs, offers Net-30 for government and RMA with advance replacement, and supports enterprise and volume orders with regional stock and RMA in the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 4 x 10G uplinks |
PoE Budget | 195W shared |
Stacking | Hardware stacking, 4 members |
Replaces | SF550X-24P-K9-NA; end of sale June 18, 2020 |
Lifecycle Status | End of sale October 30, 2021; support ends October 31, 2026 |
Replacement PID | C1300-24P-4X; intermediate CBS350-24P-4X-NA discontinued |
When wireless access points or other powered endpoints need different wattages, four access ports support 60W delivery while the remaining powered ports are limited to 30W. Record each device’s requested power and reserve the higher-power ports deliberately. Specify endpoint wattages and port assignments before the purchase order.
When an existing stack needs another chassis, hybrid stacking permits SG350X, SG350XG, and SX350X members. Ring and chain arrangements use 10G copper or fiber interconnects, with LAG support for stacking links. Identify the installed member families and planned interconnect topology, then specify compatible media and cable lengths before ordering.
When several sites need matching configurations, Cisco Network Plug and Play supports PnP Connect, and DHCP options 66 and 67 support centralized provisioning. Text-editable configuration files can be transferred with SCP. Prepare shared settings and site-specific addressing together, then specify the provisioning method and configuration handoff before the purchase order.
2.5G links for wireless access points
Access ports stop at 1G. C1300-24MGP-4X provides eight 2.5G access ports alongside sixteen Gigabit ports, retaining 24 access connections with a different speed distribution.
More than four stacked members
Hardware stacking is limited to four members. A design requiring five or more chassis within one hardware stack exceeds the supported member count.
Fanless operation in occupied spaces
Two fans provide active cooling. A requirement for a fanless chassis cannot be met by this model, regardless of the installed endpoint load.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| SG350X-24P-K9-NA |  SG350X-24PV-K9-EU |  SG350XG-48T-K9-UK |  SG350X-24-K9 |  SG350X-48-K9-EU | |
|---|---|---|---|---|---|
| Depth | 350 mm | 350 mm | 450 mm | 257 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | 10 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 | SG350X-24P-K9-NA | SG350X-24PV-K9-EU | SG350XG-48T-K9-UK | SG350X-24-K9 | SG350X-48-K9-EU |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 268.3W | 488.9W | 272.6W | 32.6W | 51.6W |
| Switching Capacity | 128 Gbps | 192 Gbps | 960 Gbps | 128 Gbps | 176 Gbps |
| Weight | 4.93 kg | 5.3 kg. | 7.43 kg | 4.32 kg | 3.73 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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SG350X-24P-K9-NA identifies a 350X Gigabit stackable switch with 24 PoE+ access ports. SG350X identifies the model family, 24 is the access-port count, and P identifies the powered configuration. NA selects the regional version for the United States, Canada, Mexico, and additional Latin American markets; retain K9 in the complete ordering identifier.
The 350X Series supports HTTP/HTTPS web management, full and menu CLI through the RJ-45 console or SSH/Telnet, and SNMP 1/2c/3. Network-level options include Smart Network Application, Cisco FindIT Network Manager, embedded FindIT Network Probe, and Active Advisor. Select the management method and secure-access settings before deployment.
SG350X-24P-K9-NA is discontinued, with an end-of-sale date of October 30, 2021, and last support date of October 31, 2026. Software maintenance ended October 30, 2022. The original replacement, CBS350-24P-4X-NA, is also discontinued; C1300-24P-4X is the successor at the end of that migration chain.
ORM Systems offers SG350X-24P-K9-NA new sealed or certified refurbished. New units carry up to a 3-year extended ORM warranty; certified refurbished units carry up to 1 year. Returns are 30 days for either condition, terms apply. Cisco’s limited lifetime hardware warranty is bounded by the last support date, October 31, 2026.
SG350X-24P-K9-NA replaces SF550X-24P-K9-NA, whose end-of-sale date was June 18, 2020. The predecessor has 24 Fast Ethernet PoE ports; the replacement provides Gigabit access connectivity. Because the 350X model is itself discontinued, identify whether the purchase is for legacy compatibility or a migration before specifying the part number.
SG350X-24P-K9-NA provides a shared 195W PoE budget across 24 powered access ports, including four ports supporting 60W and the remaining ports supporting 30W. The budget is not sufficient for every port to draw its maximum simultaneously. Specify endpoint power requirements and allocate the higher-power devices to the appropriate ports.
SG350X-24P-K9-NA has four fixed 10G uplink interfaces: two dedicated SFP+ ports and two 10GBASE-T/SFP+ combo ports. Each combo pair permits only one active medium at a time. SFP-10G-SR= and SFP-10G-LR= are supported optical choices; match the transceiver to the fiber type and required distance.
SG350X-24P-K9-NA supports hardware stacks of four members, including mixed SG350X, SG350XG, and SX350X systems. Stacking uses 10G copper or fiber interfaces and supports ring or chain layouts. SFP-H10GB-CU1M=, SFP-H10GB-CU3M=, and SFP-H10GB-CU5M= provide supported direct-attach cable options; select interconnect lengths and account for uplink interfaces committed to stacking.
The 350X Series supports static IPv4 and IPv6 routing, with limits of 990 IPv4 static routes, 128 IP interfaces, 245 IPv6 static routes, and 106 IPv6 interfaces. Physical ports, LAGs, VLAN interfaces, and loopback interfaces can host routing configuration. Specify route counts and interface requirements before selecting this configuration.
SG350X-24P-K9-NA uses an internal universal AC power supply accepting 100–240V at 47–63 Hz. Worst-case consumption including PoE reaches 268.3W at 110V, compared with 258.8W at 220V. Size the AC circuit and UPS for the loaded chassis rather than treating the 195W endpoint budget as total input power.
SG350X-24P-K9-NA supplies PoE+ on 24 Gigabit access ports, while SG350X-24-K9-NA provides 24 Gigabit access ports without PoE. Both part numbers are discontinued. For legacy installations, the powered model suits endpoints needing power over Ethernet; the non-PoE model suits independently supplied endpoints and is not a substitute for powered access.
SG350X-48P-K9-NA provides 48 Gigabit access ports, while SG350X-24P-K9-NA provides 24. Both models are discontinued, so the comparison applies to legacy expansion or sparing. The 24-port model matches smaller access-port requirements; the 48-port model fits a replacement position that requires the larger port count in one chassis.
C1300-24P-4X has four 10G SFP+ uplinks, while SG350X-24P-K9-NA combines two dedicated SFP+ uplinks with two copper/SFP+ combo interfaces. C1300-24P-4X follows the discontinued CBS350-24P-4X-NA in the replacement chain. The legacy model retains built-in copper uplink choices; the successor suits migrations specifying four SFP+ uplink interfaces.
SG350X-24P-K9-NA is a 1U rack-mount switch measuring 440 mm wide, 44 mm high, and 350 mm deep, with a weight of 4.93 kg. Two fans provide active cooling, and the operating range is 0°C to 50°C. Check cabinet depth, mounting support, and ventilation before placing the order.
United States
