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SG350-52P
Cisco SG350-52P 350 48-Port Gigabit PoE+ Switch, 2x1G Combo...
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SG350-52P is a managed Layer 2+ access switch with 48 Gigabit Ethernet PoE+ downlinks and fixed Gigabit uplinks for small-business networks. Two dedicated SFP ports and two copper/SFP combo ports provide fiber or mixed-media connections; each combo pair supports one active medium at a time. The full-width 1U chassis houses an internal AC supply rather than requiring an external power adapter. Within the Cisco 350 Series, this configuration connects wired workstations alongside powered IP phones, wireless access points, and surveillance endpoints. The discontinued SG350-52MP carries a larger 740W aggregate PoE allocation for legacy installations with higher combined endpoint demand.
SG350-52P price for new stock is is available on request. Get immediate quote. SG350-52P refurb price is $1,508.22.
Request bulk order quote for SG350-52P for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
104 Gbps switching capacity supports aggregate forwarding across the network ports, while 77.38 Mpps forwarding rate sets the packet-processing ceiling. 375W of shared PoE power requires allocating endpoint draw rather than assuming maximum per-port output is available everywhere simultaneously. 990 static IPv4 routes bound the routing design; PBR can select next hops using IPv4 or IPv6 access controls. SG350-52P combines 512 MB of DRAM with 256 MB of flash, and the 3 MB packet buffer is shared dynamically across all ports. Administration uses the browser utility, Textview CLI, and SNMP, with SSH for protected command sessions. STP/RSTP/MSTP protect switched topologies, and LACP supports link aggregation when both ends have compatible configurations. The Cisco Small Business feature set includes DHCP snooping, IP Source Guard, and Dynamic ARP Inspection for traffic validation. 440W maximum consumption with PoE provides the load figure for AC-feed sizing. Three fans provide active cooling rather than fanless operation.
Specify SG350-52P in new sealed or certified refurbished condition, and confirm the regional ordering variant and required optics on the purchase order. Certified refurbished units are inspected and bench-tested, with power-on and POST, rated-speed port links, clean boot, PoE output under load on every powered port, optics bay recognition, PSU status, and fan status checked; firmware is verified and configuration wiped to factory default. New orders carry up to a 3-year extended ORM warranty, certified refurbished orders carry up to 1 year, and both have 30-day returns, with terms applying; Cisco's separate Limited Lifetime warranty is subject to eligibility and ends at the October 31, 2026 support boundary. For enterprise and volume purchasing, POs are accepted, Net-30 is available for government, and RMA with advance replacement is supported across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 2 x 1G combo / 2 x 1G SFP |
PoE Budget | 375W shared |
Max Power Draw | 440W |
Cooling | 3 fans |
Lifecycle Status | End of sale October 30, 2021; support ends October 31, 2026 |
Replacement PID | C1300-48P-4G via discontinued CBS350-48P-4G-NA |
In a corporate office with 100+ IP phones and wireless access points, the SG350-52P-48’s 48 PoE+ 10/100/1000 ports consolidate power and data on a single cable. Advanced QoS and VLAN segmentation ensure jitter-free voice and video streams. Outcome: 30% lower cabling costs, simplified infrastructure, and rock-solid UC performance.
At a mid-sized data center, the SG350-52P-48 aggregates server-rack traffic across its 48 Gigabit ports, while its 2 Gigabit copper/SFP combo and 2 SFP ports provide 10Gb redundant uplinks to core switches. Link aggregation and static routing minimize latency and deliver seamless failover. Outcome: scalable 20 Gbps backbone, 40% improvement in port utilization, and sub-millisecond convergence.
A multi-site retail chain deploys the SG350-52P-48 at each branch to power PoE cameras and POS terminals, using dual SFP links to form a self-healing fiber ring. Built-in RSTP/Ring Protection guarantees sub-50 ms reconvergence on fiber breaks. Outcome: uninterrupted 24/7 operations, enhanced network availability, and centralized remote management.
When an endpoint rollout includes higher-draw devices, eight powered ports can deliver 60W, while the remaining powered ports are limited to 30W each. These ceilings do not represent simultaneous power availability. Identify compatible endpoint requirements, map higher-draw devices to eligible ports, and specify power priorities before the purchase order.
When a site refresh introduces more network segments, support for 4094 simultaneous VLANs provides a defined configuration ceiling for the proposed design. Keep the segment plan separate from the routing plan rather than treating VLAN capacity as a routed-interface count. Specify VLAN assignments and inter-segment traffic policies before ordering.
When replacement stock must be staged before release, dual firmware images and the front-panel USB Type-A slot provide image-management and file-transfer facilities. Retain an approved configuration outside the unit and plan the image selected for boot. Specify the staging image, console access requirements, and configuration handoff before the purchase order.
10G uplinks to distribution
SG350-52P uplinks are limited to 1G. C1300-48P-4X retains 48 Gigabit access ports and provides four 10G SFP+ uplinks instead.
Dynamic routing between network segments
SG350-52P provides static routing and PBR rather than dynamic route exchange. A design requiring automatically learned routes needs a different routing configuration.
Manufacturer support beyond October 2026
SG350-52P reaches its last date of support on October 31, 2026. C1300-48P-4G is the current migration endpoint; the intermediate CBS350-48P-4G-NA is already discontinued.
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| SG350-52P |  SG350-28-K9-EU |  SF350-24 |  SG350-28MP |  CBS350-24FP-4X | |
|---|---|---|---|---|---|
| Depth | 350 mm | 202 mm | 202 mm | 257 mm | 345 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Fast 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 | SG350-52P | SG350-28-K9-EU | SF350-24 | SG350-28MP | CBS350-24FP-4X |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 440W | 19.9W | 10.9W | 451.2W | 451.8W |
| Switching Capacity | 104 Gbps | 56 Gbps | 12.8 Gbps | 56 Gbps | 128 Gbps |
| Weight | 3.81 kg | 2.75 kg | 2.72 kg | 3.37 kg. | 4.6 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 445 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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dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 8 September 2017
50-port PoE smart switch ensures stable connectivity and consistent power for high-demand office networks.
Reviewed on the 10 July 2026
Professional-grade switch delivering minimal latency and high throughput.
Reviewed on the 10 February 2024
Durable and efficient, ideal for enterprise deployments.
Reviewed on the 25 March 2021
Reliable PoE+ delivery with consistent gigabit performance.
Reviewed on the 16 December 2018
Stable and professional-grade switch for multiple devices.
SG350-52P identifies a Cisco 350 Series Gigabit managed PoE+ switch: SG350 is the model family, 52 is its total network-port count, and P distinguishes the powered variant. The connections comprise 48 copper access ports, two copper/SFP combo ports, and two dedicated SFP ports. The North American ordering variant is SG350-52P-K9-NA.
Cisco 350 Series Managed Switches support an HTTP/HTTPS web interface, Textview CLI through console, SSH or Telnet, and SNMPv1/v2c/v3. Network-level options include Smart Network Application, Cisco FindIT Network Manager with an embedded FindIT Network Probe, and Cisco Active Advisor. The local web utility provides simple and advanced configuration modes.
SG350-52P is discontinued: sales ended October 30, 2021, and its last date of support is October 31, 2026. Software maintenance ended October 30, 2022. Its original North American replacement, CBS350-48P-4G-NA, is also discontinued, with sales ending October 29, 2024. The current forward replacement is C1300-48P-4G.
SG350-52P is offered new sealed with up to a 3-year extended ORM warranty, or certified refurbished with up to 1 year. Both conditions have 30-day returns; terms apply. Cisco's original Limited Lifetime warranty is separate, subject to eligibility, and bounded by the October 31, 2026 last date of support.
SG350-52P provides a shared 375W PoE budget across 48 powered access ports. Eight ports support 60W output, while the other powered ports support 30W each. Those individual ceilings do not mean every port can supply its maximum simultaneously; combined endpoint demand must remain within the shared allocation.
SG350-52P supports MGBSX1 for Gigabit multimode fiber links reaching 500 m and MGBLX1 for Gigabit single-mode fiber links reaching 10 km. Fiber transceivers are separate purchase items. Match the remote optic and fiber medium, and remember that using a combo SFP connection disables its paired copper connection.
Yes, SG350-52P supports static IPv4 routing between VLANs, with 990 static routes and 128 IP interfaces. PBR can direct IPv4 or IPv6 packets to different next hops using access-control matches. This is static routed access rather than dynamic route exchange, so the route plan must be configured explicitly.
Yes, SG350-52P is a full-width 1U rack switch measuring 440 mm wide, 44 mm high, and 350 mm deep, with a weight of 3.81 kg. A mounting kit is included in the original package. Check cabinet depth and cable clearance when specifying replacement stock for an existing rack.
SG350-52P replaces the discontinued SG300-52P-K9-NA through the matching North American SG350-52P-K9-NA variant. Regional transitions also cover SG300-52P-K9-AU, SG300-52P-K9-CN, SG300-52P-K9-EU, and SG300-52P-K9-UK. These are legacy migration relationships, not current-product recommendations; a new migration purchase follows the later replacement chain to C1300-48P-4G.
SG350-52P allocates 375W to PoE, whereas SG350-52MP allocates 740W; both models are discontinued. The difference is aggregate endpoint power, not a guarantee that every powered port can operate at maximum output simultaneously. SG350-52P suits legacy replacement orders with smaller combined loads, while SG350-52MP suits legacy orders requiring the larger allocation.
SG350-52P takes AC power through an internal supply, while SG350-10P uses an external AC adapter; both models are discontinued. That difference changes which power hardware must accompany legacy replacement stock. SG350-52P suits orders retaining an internal-supply arrangement, while SG350-10P suits orders retaining a separate-adapter arrangement.
C1300-48P-4G provides four dedicated 1G SFP uplinks, whereas SG350-52P provides two dedicated 1G SFP ports and two 1G copper/SFP combo ports. SG350-52P is discontinued. Matching the original mixed-media arrangement is the legacy replacement use case; buyers following the current migration chain should specify C1300-48P-4G and the optics required for its fiber uplinks.
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