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SG350-52MP-K9-NA
Cisco SG350-52MP-K9-NA 350 48-Port Gigabit PoE+ Switch, 2x1G...
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SG350-52MP-K9-NA combines 48 Gigabit PoE+ access ports, including eight ports supporting 60W PoE, with fixed Gigabit uplinks in a managed Layer 2+ switch. Two dedicated SFP ports and two copper/SFP combo interfaces provide the uplink connections; each combo interface uses either its copper connector or its fiber cage at one time. The full-width 1U chassis belongs to the Cisco 350 Series Managed Switches family and connects small-business computers, IP phones, wireless access points, and surveillance equipment. Cisco SG350-52MP is the Max-PoE configuration, whereas the discontinued SG350-52P-K9-NA carries a 375W PoE budget at the same access-port density. Fixed connections keep this model within Gigabit access and uplink speeds rather than providing removable uplink cards.
SG350-52MP-K9-NA price for new stock is is available on request. Get immediate quote. SG350-52MP-K9-NA refurb price is $3,166.80.
Request bulk order quote for SG350-52MP-K9-NA for additional pricing. Browse the full Cisco 350 Series Managed Switches series or explore all Cisco products.
104 Gbps switching capacity provides nonblocking forwarding across the switch, while 77.38 Mpps represents its forwarding rate with 64-byte packets. 740W of shared PoE power requires allocation across connected endpoints rather than assuming simultaneous maximum output on every powered port. Static IPv4 routing handles local traffic between IP networks, and PBR directs selected traffic toward different next hops using IPv4 or IPv6 access rules. SG350-52MP-K9-NA combines 512 MB DRAM and 256 MB flash for its control software and stored images. A dynamically shared 3 MB packet buffer serves traffic across all ports. STP/RSTP/MSTP and LACP provide spanning-tree control and link aggregation, while eight hardware queues support traffic prioritization. The Cisco 350 Series also supports DHCP snooping, IP Source Guard, and Dynamic ARP Inspection to filter unauthorized address use. Dual software images support firmware maintenance, and the front USB Type-A connection transfers configuration and image files during staging.
Specify condition and quantity when ordering SG350-52MP-K9-NA new sealed or certified refurbished. Refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, firmware verified, and configuration wiped to factory default. New units carry up to a 3-year extended ORM warranty; refurbished units carry up to 1 year; both have 30-day returns, terms apply; Cisco's eligibility-dependent limited lifetime hardware warranty ends with support on October 31, 2026. For enterprise and volume orders, POs are accepted with Net-30 for government, and regional stock and RMA cover UK, EU, US, and MEA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 2 x 1G SFP / 2 combo |
PoE Budget | 740W shared |
Cooling | 4 fans |
Replaces | SG300-52MP-K9-NA; end of sale October 4, 2018 |
Lifecycle Status | Discontinued October 30, 2021; support ends October 31, 2026 |
Replacement PID | C1300-48FP-4G; intermediate CBS350-48FP-4G-NA is discontinued |
When an installed SG300-52MP-K9-NA requires replacement, SG350-52MP-K9-NA is its named migration model. The predecessor ended sale on October 4, 2018. For an existing-hardware refresh, compare the saved configuration and attached endpoint inventory before the PO, then specify the exact regional part number, condition, and replacement quantity.
When a branch refresh moves local IP interfaces onto the access switch, this model supports 128 IP interfaces on physical ports, link aggregation groups, VLAN interfaces, or loopbacks. Prepare the interface and next-hop plan before procurement, then specify the required interface count and configuration requirements on the PO.
When several small-business sites require common configurations, Smart Network Application supports topology discovery, event monitoring, configuration changes, and software upgrades across multiple switches. A 350 Series model can supply the required management presence in the network. Define the managed device inventory and configuration responsibility before specifying quantities for each site.
10G uplinks to distribution
SG350-52MP-K9-NA has Gigabit-only uplinks. C1300-48FP-4X provides 48 Gigabit Full PoE access ports with four 10G SFP+ uplinks when the distribution connection requires that speed.
Cisco support beyond October 2026
SG350-52MP-K9-NA reaches its last date of Cisco support on October 31, 2026. C1300-48FP-4G is the current successor rather than the discontinued intermediate replacement.
Redundant internal power supplies
SG350-52MP-K9-NA uses a fixed internal AC supply without a second internal power-supply bay. A requirement for two independently replaceable internal supplies excludes this chassis.
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| SG350-52MP-K9-NA |  SG355-10P-K9-UK |  SG350-10SFP-K9-UK |  SG350-28MP-K9-NA |  SG350-10SFP-K9-EU | |
|---|---|---|---|---|---|
| Depth | 350 mm | 203 mm | 170 mm | 257 mm | 170 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | 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 | Desktop | Rack-Mount 1U | Desktop |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG350-52MP-K9-NA | SG355-10P-K9-UK | SG350-10SFP-K9-UK | SG350-28MP-K9-NA | SG350-10SFP-K9-EU |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 858W | 83.5W | 11.9W | 451.2W | 11.9W |
| SFP Ports | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 8 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 8 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) |
| Weight | 3.83 kg | 2.36 kg | 2.08 kg | 3.37 kg | 2.08 kg |
| Width | 440 mm | 440 mm | 279.4 mm | 440 mm | 279.4 mm |
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SG350-52MP-K9-NA identifies the Gigabit 350 managed-switch model with 52 logical network interfaces and the Max-PoE configuration. The 52 interfaces comprise 48 access ports and four uplink interfaces, including two shared copper/SFP pairs. NA identifies the regional ordering version covering the United States, Canada, Mexico, and other listed Latin American markets.
SG350-52MP-K9-NA supports an HTTP/HTTPS web interface, console CLI, SSH or Telnet CLI, SNMP, Smart Network Application, Cisco FindIT Network Manager, and Cisco Active Advisor. Textview provides full and menu-based commands. SNMP supports versions 1, 2c, and 3, while an embedded FindIT Network Probe supports discovery without a separate probe appliance.
SG350-52MP-K9-NA provides a shared 740W PoE budget across 48 powered access ports. Eight ports support 60W PoE, while the other powered ports support a maximum of 30W each. Those individual limits do not imply simultaneous maximum delivery across every port; total endpoint demand must remain within the shared budget.
Cisco SG350-52MP provides two dedicated Gigabit SFP ports and two Gigabit copper/SFP combo interfaces. MGBSX1 supports multimode fiber to 500 m, and MGBLX1 supports single-mode fiber to 10 km. Select transceivers for the installed fiber and distance; each combo interface operates through either copper or SFP, not both simultaneously.
Yes, SG350-52MP-K9-NA supports static IPv4 routing between configured IP networks, with 990 static routes and 128 IP interfaces. PBR can select different next hops using IPv4 or IPv6 access rules. This is static routed access rather than dynamic routing participation, so prepare the interface addressing and next-hop configuration before deployment.
SG350-52MP-K9-NA uses an internal universal AC supply accepting 100-240V AC at 50-60 Hz. The chassis does not provide redundant internal power-supply modules. Its maximum published consumption with PoE is 858W at 110V, so size the upstream electrical circuit and backup power for the complete switch and endpoint load.
Cisco SG350-52MP provides 104 Gbps switching capacity and a 77.38 Mpps forwarding rate measured with 64-byte packets. Its forwarding architecture is wire speed and nonblocking. A dynamically shared 3 MB packet buffer serves all ports, while eight hardware queues support traffic prioritization under the configured quality-of-service policy.
Cisco SG350-52MP is a rack-mountable 1U switch with four fans, not a fanless desktop model. The chassis measures 440 mm wide, 44 mm high, and 350 mm deep and weighs 3.83 kg. Its operating range is 0°C to 50°C, so account for rack depth and ambient temperature before installation.
SG350-52MP-K9-NA ended sale on October 30, 2021, and reaches its last date of Cisco support on October 31, 2026. Software maintenance ended October 30, 2022. Its original replacement, CBS350-48FP-4G-NA, is also discontinued; C1300-48FP-4G is the current successor at the end of that replacement chain.
SG350-52MP-K9-NA replaces SG300-52MP-K9-NA, the older 52-port Gigabit Max-PoE managed switch. The predecessor ended sale on October 4, 2018, and Cisco support ended October 31, 2023. For an installed-base replacement, preserve the exact regional ordering identity and review the existing configuration before specifying the replacement condition and quantity.
SG350-52MP-K9-NA is available new sealed with up to a 3-year extended ORM warranty or certified refurbished with up to 1 year. Both conditions include 30-day returns; terms apply. Cisco's separate limited lifetime hardware warranty remains subject to eligibility and ends with Cisco support on October 31, 2026.
SG350-52MP-K9-NA provides a 740W PoE budget, whereas SG350-52P-K9-NA provides 375W. Both discontinued models have 48 Gigabit PoE+ access ports, including eight supporting 60W PoE. For existing 350 Series standardization, the MP configuration suits higher aggregate endpoint demand; the P configuration suits demand that fits its smaller shared budget.
SG350-52MP-K9-NA has 48 Gigabit access ports, whereas SG350-28MP-K9-NA has 24. Both discontinued models provide two dedicated Gigabit SFP ports and two Gigabit copper/SFP combo interfaces. For an existing 350 Series installation, the 52MP configuration suits higher connection density; the 28MP configuration suits an access requirement limited to 24 endpoints.
C1300-48FP-4G provides four dedicated Gigabit SFP uplinks, whereas SG350-52MP-K9-NA provides two dedicated SFP uplinks and two copper/SFP combo interfaces. Both have 48 Gigabit powered access ports. The discontinued SG350 model suits matching an existing installation; C1300-48FP-4G suits a current replacement purchase with dedicated fiber uplinks.
United States
