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SG300-52P-K9-NA
Cisco SG300-52P-K9-NA Small Business 300 48-Port Gigabit PoE...
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SG300-52P-K9-NA is a managed Layer 2+ Gigabit Ethernet switch with 48 PoE+ access ports, two dedicated copper Gigabit uplinks and two copper/SFP combo uplinks. Each combo connection uses either its copper interface or its fiber interface, not both simultaneously. The fixed configuration occupies one rack unit and serves small-business access networks connecting computers, IP phones, wireless access points and surveillance endpoints. Within the Cisco 300 Series, this model combines powered endpoint connectivity with a choice of copper or fiber connections upstream. The discontinued SG300-52MP-K9 provides a larger 740W PoE allocation for installations retaining that generation of hardware. Uplinks are built into the chassis rather than supplied through a removable network card.
SG300-52P-K9-NA price for new stock is is available on request. Get immediate quote. SG300-52P-K9-NA refurb price is $262.96.
Request bulk order quote for SG300-52P-K9-NA for additional pricing. Browse the full Cisco 300 Series Managed Switches series or explore all Cisco products.
104 Gbps switching capacity supports the switch's wire-speed, nonblocking architecture. 77.38 Mpps forwarding performance applies to 64-byte packets, providing a separate measure of packet-processing capacity. 375W of shared PoE power must be allocated across the connected powered devices rather than treated as an individual allowance for every port. Static IPv4 routing supports communication between configured networks, with 512 static routes and 128 IP interfaces; dynamic route exchange is not part of this feature set. SG300-52P-K9-NA carries 128 MB of memory and 16 MB of flash for its embedded software and configuration. A 16384-entry MAC address table supports endpoint learning, while STP, RSTP and MSTP provide spanning-tree operation. The Cisco Small Business feature set also includes DHCP relay and an IPv4 DHCP server for address assignment across configured scopes. Browser-based administration and a command-line interface provide local configuration paths, with SSH available for remote command access.
Specify new sealed or certified refurbished SG300-52P-K9-NA, then confirm quantity, destination power cord and required optics on the purchase order. Certified 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. ORM provides up to 3-year extended warranty on new units and up to 1 year on certified refurbished units, plus 30-day returns on every condition, terms apply; Cisco's original limited lifetime coverage ended October 31, 2023. For enterprise and volume orders, PO is accepted, Net-30 is available for government, and RMA with advance replacement is supported across UK, EU, US and MEA regional operations.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 2 x 1G / 2 x 1G combo |
PoE Budget | 375W shared |
Max Power Draw | 473.62W |
Cooling | 4 fans |
Lifecycle Status | Cisco support ended October 31, 2023 |
Replacement PID | C1300-48P-4G |
When multiple locations must retain a common configuration approach, text-editable configuration files and SCP autoconfiguration support preparation before shipment. CLI privilege levels 1, 7 and 15 separate administrative access. Define the configuration file, authentication settings and management addressing for each location before placing the purchase order.
When preparing a replacement before an equipment change, dual firmware images and dual configuration files provide separate staging resources. A mirror configuration preserves the latest stable configuration. Specify the required firmware baseline, prepare the intended startup configuration and check the reboot sequence before ordering the replacement quantity.
When consolidating existing Ethernet connections into an aggregated design, LACP supports eight groups with eight active ports per group and 16 candidate ports for each dynamic group. Identify the participating interfaces and remote equipment configuration before procurement, then specify the required connection count and matching cabling on the order.
Continuing Cisco hardware service coverage
Cisco service ended October 31, 2023, so this model cannot satisfy an ongoing manufacturer-support requirement. C1300-48P-4G is the current endpoint of its replacement chain.
Individual uplinks faster than Gigabit
The fixed uplinks support Gigabit Ethernet, and the chassis has no removable uplink card bay. Requirements above 1G per uplink need different switch hardware.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| SG300-52P-K9-NA |  SRW2016-K9-UK |  SG300-10PP-K9-UK |  SG300-10SFP-K9 |  SG300-28PP-K9-EU | |
|---|---|---|---|---|---|
| Depth | 350 mm | 202.5 mm | 170 mm | 170 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 16 MB | 16 MB | 16 MB | 16 MB | 16 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Desktop | Desktop | Rack-Mount 1U |
| Height | 44.45 mm | 44.45 mm | 44.45 mm | 44.45 mm | 44.45 mm |
| Manufacturer Part Number | SG300-52P-K9-NA | SRW2016-K9-UK | SG300-10PP-K9-UK | SG300-10SFP-K9 | SG300-28PP-K9-EU |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| SFP Ports | 2 x 1GbE (Combo, shared with RJ-45) | 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 (Combo, shared with RJ-45) |
| Switching Capacity | 104 Gbps | 40 Gbps | 20 Gbps | 20 Gbps | 56 Gbps |
| Weight | 5.3 kg | 2.17 kg | 1.24 kg | 2.125 kg | 3.95 kg |
| Width | 440 mm | 440 mm | 279.4 mm | 279.4 mm | 440 mm |
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SG300-52P-K9-NA identifies the regional ordering form of the SG300-52P Gigabit managed switch. SG300 identifies the Gigabit 300 family, 52 represents its total Ethernet connections, and P distinguishes the model with 48 PoE+ ports. Retain the complete K9-NA ending when specifying the exact hardware on a purchase order.
SG300-52P-K9-NA supports a browser-based management interface and a full or menu-based CLI, including console access and remote SSH or Telnet access. HTTP and HTTPS provide browser connectivity, while SNMP supports network management. Select the management access method and authentication settings before applying the production configuration.
SG300-52P-K9-NA is discontinued, with end of sale on October 4, 2018, and the last date of Cisco support on October 31, 2023. Cisco service has ended. Purchasing remaining hardware does not restart manufacturer support, so the order must distinguish reseller hardware coverage from Cisco service entitlement.
ORM Systems offers SG300-52P-K9-NA new sealed or certified refurbished, with up to 3-year extended warranty for new units and up to 1 year for certified refurbished units. Returns cover every condition for 30 days; terms apply. Cisco's original Limited Lifetime Hardware Warranty ended October 31, 2023; current order coverage is ORM's.
SG300-52P-K9-NA provides a shared 375W PoE budget across 48 powered ports, with individual PoE+ ports supporting 30W. The individual port limit is not available simultaneously on every port. Add the required endpoint power allocations before ordering, including devices expected to operate at the same time.
SG300-52P-K9-NA has two dedicated copper Gigabit uplinks and two Gigabit copper/SFP combo uplinks. Each combo pair activates one medium at a time. MGBSX1 supports multimode fiber and MGBLX1 supports single-mode fiber; specify the required optics separately and match them to the fiber installation and remote connection.
SG300-52P-K9-NA supports static IPv4 routing between configured networks, including VLAN interfaces, with 512 static routes and 128 IP interfaces. Its routing capability is static rather than dynamically exchanged. Define the required subnets, interfaces and next hops before selecting this model for an inter-VLAN routing role.
The Cisco 300 Series SG300-52P occupies one rack unit and measures 440 mm wide, 44.45 mm high and 350 mm deep, with a weight of 5.3 kg. Four fans provide cooling. Check usable rack depth, cable clearance and the 0°C to 45°C operating range before installation.
The SG300-52P uses a fixed internal AC power supply rather than redundant plug-in power modules. Its input range is 100-240V AC, and maximum published consumption with PoE is 473.62W. Specify the destination power cord and include the powered endpoint load when sizing the supporting power arrangement.
SG300-52MP-K9 increases the shared PoE budget to 740W compared with 375W on SG300-52P-K9-NA, while both provide 48 powered ports. Both models are discontinued. The lower-budget model suits an existing installation with lower aggregate endpoint demand; the MP model addresses higher aggregate demand within retained legacy equipment.
SG300-52P-K9-NA provides 48 powered access ports, whereas SG300-28MP-K9 provides 24, with both sharing a 375W PoE budget. Both belong to the discontinued 300 family. The larger model fits an existing installation needing more endpoint connections; the smaller model fits one needing fewer connections under the same total power allocation.
C1300-48P-4G provides four dedicated 1G SFP uplinks, whereas SG300-52P-K9-NA provides two dedicated copper uplinks and two copper/SFP combo uplinks. C1300-48P-4G is the current replacement-chain endpoint. The older model addresses exact legacy-hardware replacement; the Catalyst model addresses migration requiring dedicated fiber uplink connections rather than shared combo interfaces.
United States
