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SG500-52P-K9
Cisco SG500-52P-K9 Small Business 500 48-Port Gigabit PoE+ S...
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SG500-52P-K9 is a managed, stackable Gigabit access switch with 48 PoE+ Ethernet ports and two fixed Gigabit combo uplinks. Each combo uplink provides a copper connection or an SFP connection, with one medium active at a time. Separate stacking interfaces connect additional members without requiring a removable uplink card. The full-width, 1U chassis belongs to the Cisco Small Business 500 family and combines Layer 2 switching with static routing between local networks. Phones, wireless access points and cameras can receive power through their Ethernet connections, subject to the shared power allocation. The discontinued SG500-52-K9 omits PoE, which distinguishes it from the powered configuration when matching equipment already installed.
SG500-52P-K9 price for new stock is $1,512.00, a 50% saving from the Cisco list price of $3,024.00. SG500-52P-K9 refurb price is $213.89. SG500-52P-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SG500-52P-K9 for additional pricing. Browse the full Cisco SG500 Switches series or explore all Cisco products.
120 Gbps switching capacity provides the switching fabric for local Ethernet traffic, while 77.38 Mpps forwarding handles 64-byte packets. A 375W PoE budget is shared across the powered access ports rather than reserved at the maximum output for every connected endpoint. Static IPv4 routing accommodates 2048 routes for locally configured destinations. SG500-52P-K9 supports STP, RSTP, MSTP and LACP for controlling switching paths and aggregated connections. Port mirroring provides a traffic observation point for troubleshooting. The MAC table holds 16384 entries, and the packet-buffer allocation is two 8 Mb buffers. Browser-based configuration and Textview CLI access provide local administration options, with SNMP available for monitoring. 460.5W maximum consumption, including PoE, is the figure to carry into electrical provisioning; the internal AC supply accepts 100–240V input. Four fans provide active cooling.
ORM Systems offers SG500-52P-K9 new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on certified refurbished units. Refurbished units are inspected and bench-tested for power-on, POST, clean boot, rated-speed port links and PoE output under load on every powered port; firmware is verified and configuration wiped to factory default. Specify condition, quantities and accessory PIDs on the purchase order; 30-day returns apply to every condition, with terms applicable, and Cisco’s original limited lifetime hardware warranty ended April 30, 2023. PO orders are accepted, with Net-30 for government, RMA with advance replacement, and regional stock and RMA coverage across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 2 x 1G combo uplinks |
PoE Budget | 375W shared |
Stacking | Hardware stacking / Eight members |
Cooling | Four fans |
Lifecycle Status | Cisco support ended April 30, 2023 |
Replacement PID | C1300-48P-4X / Current migration endpoint |
An office adding Ethernet phones needs to establish endpoint identification and voice policy before connecting the new devices. Auto Smartports works with CDP or LLDP-MED discovery, while automatic voice VLAN handling assigns voice traffic its own policy. Specify the discovery method, voice VLAN and endpoint configuration before the purchase order.
A staging environment preparing replacement equipment can exercise configuration restoration before a unit enters service. The Small Business 500 family supports dual firmware images and file transfers through SCP or TFTP. Establish the approved image, retain the configuration file and verify the intended recovery procedure before specifying the staged unit on the purchase order.
10G uplinks to distribution
SG500-52P-K9 provides Gigabit combo uplinks rather than 10G uplinks. C1300-48P-4X is the current migration endpoint with four 10G SFP+ uplinks and 48 Gigabit access ports.
Powered endpoints exceeding 30W
The powered access ports deliver a maximum of 30W per port, subject to the shared budget. An endpoint requiring more exceeds this switch’s per-port output.
Mon–Fri: [09:00-16:00]
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| SG500-52P-K9 |  SF300-08 |  SG220-50P |  SG300-52P-K9 |  SG300-10MP | |
|---|---|---|---|---|---|
| Ethernet Technology | Gigabit Ethernet | 10/100 | 10/100/1000 | Gigabit Ethernet | 10/100/1000 |
| Form Factor | Rack-Mount 1U | Desktop / Rack-mount | Rack-mount | Rack-Mount 1U | Desktop / Rack-mount |
| Manufacturer Part Number | SG500-52P-K9 | SF300-08 | SG220-50P | SG300-52P-K9 | SG300-10MP |
| Switching Capacity | 120 Gbps | 1.6 Gbps | 104 Gbps | 104 Gbps | 20 Gbps |
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SG500-52P-K9 identifies the Gigabit PoE member of the Small Business 500 family with 48 powered access ports and four additional connection positions. SG500 identifies the family, 52 reflects those connection positions, and P identifies the powered configuration. Retain K9 when specifying the complete manufacturer part number.
SG500-52P-K9 supports a browser-based web interface, Textview CLI access, a serial console, SSH, Telnet and SNMP management. HTTP or HTTPS provides browser access, while SNMP supports monitoring integrations. The configuration can also be maintained as an editable text file for restoration or standardized deployment.
SG500-52P-K9 is discontinued, with end of sale on April 12, 2018, and Cisco support ending April 30, 2023. Cisco service has already ended. A resale purchase therefore needs its own seller-supported maintenance arrangements rather than relying on the original Cisco support or hardware warranty entitlement.
ORM supplies SG500-52P-K9 new sealed or certified refurbished: new units have up to a 3-year extended warranty, and refurbished units have up to 1 year. Returns are available for 30 days in every condition; terms apply. Cisco’s original limited lifetime hardware warranty ended with support on April 30, 2023.
SG500-52P-K9 hardware stacking supports eight members managed as one system. Compatible copper stacking cables include SFP-H10GB-CU1M, SFP-H10GB-CU3M and SFP-H10GB-CU5M, providing 1 m, 3 m and 5 m lengths respectively. Those cables operate at 5G on this family; specify the connection layout and cable lengths separately.
No, SG500-52P-K9 shares a 375W budget across 48 powered ports, while each port can deliver a maximum of 30W. Forty-eight connections at that maximum exceed the available budget. Size the endpoint allocation against the shared total rather than treating every powered port as simultaneously available at maximum output.
SG500-52P-K9 provides two Gigabit combo uplinks that can use copper or SFP connectivity, with one medium active per combo connection. Compatible Gigabit optics include MGBSX1 for multimode fiber and MGBLX1 for single-mode fiber. Specify the optic PID to match the fiber path and required connection distance.
Yes, SG500-52P-K9 supports static routing between locally configured networks, with a maximum of 2048 IPv4 static routes and 256 IPv4 interfaces. Its Layer 2+ classification reflects that static-routing capability. Establish the required interfaces and destinations before deployment rather than treating switching configuration alone as a complete routed setup.
SG500-52P-K9 uses an internal AC power supply accepting 100–240V input. Maximum consumption including PoE is 460.5W, so electrical provisioning must account for endpoint power as well as switch operation. Specify the appropriate regional power cord and confirm the available AC circuit capacity before ordering the unit.
SG500-52P-K9 supplies PoE+ to its access ports, whereas SG500-52-K9 is the non-PoE configuration. Both models are discontinued. The powered model matches installed networks carrying Ethernet-powered endpoints; the non-PoE model matches existing deployments where endpoint power comes from another source and like-for-like hardware is required.
SG500-52P-K9 has 48 powered Gigabit access ports, whereas SG500-28P-K9 has 24. Both models are discontinued. The higher-density unit matches an installed network requiring more access connections per chassis; the smaller unit matches existing lower-density deployments where preserving the established configuration is the purchase requirement.
C1300-48P-4X carries four 10G SFP+ uplinks, whereas SG500-52P-K9 provides Gigabit combo uplinks. C1300-48P-4X is the current migration endpoint following the discontinued successor generations. The older model serves like-for-like installed-equipment requirements; the current model addresses purchases requiring faster distribution connections rather than retention of the older switch.
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