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SG220-28MP-K9
Cisco SG220-28MP-K9 220 Series Smart Switches 24-Port Gigabi...
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SG220-28MP-K9 provides Layer 2 smart-managed switching through 24 Gigabit Ethernet PoE+ access ports and four fixed 1G SFP uplinks in a 1U rack-mount chassis. Dedicated fiber interfaces keep uplink connections separate from copper endpoint connections. The Cisco 220 Series Smart Switches serve small-business networks connecting desktops, wireless access points, IP phones and cameras. Configurable access controls and traffic policies distinguish this model from an unmanaged installation. The discontinued SG220-26P-K9-NA provides a smaller 180W endpoint-power allowance. For an existing installation, match the required powered-device mix and fiber connections rather than treating every Gigabit smart switch as an interchangeable replacement.
SG220-28MP-K9 price for new stock is is available on request. Get immediate quote. SG220-28MP-K9 refurb price is $714.00.
Request bulk order quote for SG220-28MP-K9 for additional pricing. Browse the full Cisco 220 Series Smart Switches series or explore all Cisco products.
56 Gbps switching capacity accommodates traffic across access and uplink interfaces, while 41.67 Mpps forwarding performance specifies the rate for 64-byte packets. An 8192-entry MAC address table supports address learning across segmented networks. SG220-28MP-K9 contains 128 MB of CPU memory and 32 MB of flash, with dual firmware images supporting upgrade recovery. The Cisco SG220-28MP dynamically shares a 4.1 Mb packet buffer across its ports. STP/RSTP/MSTP control redundant forwarding paths, and LACP combines physical connections into aggregated links. RADIUS and TACACS+ support centralized authentication, while port security and access control lists restrict network access. IPv4/IPv6 dual-stack operation supports management during addressing transitions; the switch does not provide inter-VLAN routing. Eight link aggregation groups accept eight active ports per group, with 16 candidate ports available for dynamic aggregation. These limits matter when specifying multiple connections to neighboring equipment rather than a single physical uplink.
ORM Systems supplies SG220-28MP-K9 new sealed or certified refurbished; new units have up to 3-year extended warranty, refurbished units up to 1 year, and both conditions have 30-day returns with terms applying. 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. Specify condition, quantity and regional power-cord requirements on the PO; Cisco's limited lifetime hardware warranty, with 1-year fan and power-supply coverage, ends July 31, 2027. For enterprise and volume orders, PO acceptance, Net-30 for government, RMA with advance replacement and regional stock/RMA cover the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+, 4 x 1G SFP |
PoE Budget | 375W shared |
Max Power Draw | 426W at 110V AC |
Cooling | 3 speed-controlled fans |
Lifecycle Status | End of sale July 30, 2022; support ends July 31, 2027 |
Replacement PID | CBS220-24FP-4G-NA |
When an office adds IP phones alongside existing computers, automatic voice VLAN assignment and eight hardware queues per port provide configurable treatment for voice traffic. The purchase specification should identify the required voice VLAN, endpoint discovery behavior and traffic-priority policy before the equipment is staged or the PO is issued.
When several locations need a consistent configuration, text-editable configuration files and a scriptable CLI support repeatable preparation. CLI privilege levels 1 and 15 separate available access levels. Specify the configuration template, administrator access requirements and acceptance checks with each site quantity before approving the rollout purchase order.
When a staging environment needs packet capture before equipment is released to a site, port mirroring supports four sessions and eight source ports mirrored to one destination port. Identify the capture destination, traffic sources and required analyzer connections before ordering the lab unit and committing the production configuration.
10G uplinks to distribution
The four fixed SFP uplinks operate at 1G, not 10G. CBS220-24FP-4X provides four 10G SFP+ uplinks while retaining 24 Gigabit access ports.
Cisco support beyond July 2027
Cisco support ends July 31, 2027. CBS220-24FP-4G-NA is the current replacement for buyers establishing a new equipment standard rather than maintaining discontinued inventory.
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| SG220-28MP-K9 |  SG220-26P-K9-UK |  SG220-50P |  SG220-50P-K9-NA |  SG220-26-K9-UK | |
|---|---|---|---|---|---|
| Depth | 250 mm | 250 mm | 350 mm | 350 mm | 201 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 32 MB | 32 MB | 32 MB | 32 MB | 32 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 | SG220-28MP-K9 | SG220-26P-K9-UK | SG220-50P | SG220-50P-K9-NA | SG220-26-K9-UK |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Power Consumption | 426W | 206.5W | 427W | 427W | 18.9W |
| SFP Ports | 4 x 1GbE | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 56 Gbps | 52 Gbps | 100 Gbps | 100 Gbps | 52 Gbps |
| Weight | 4.26 kg | 3.7 kg. | 5.28 kg | 5.28 kg. | 2.81 kg. |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG220-28MP-K9 identifies a Gigabit 220 family switch with 28 network ports: 24 PoE+ copper ports and four SFP uplinks; MP distinguishes the 375W configuration. K9 remains part of the hardware ordering identifier. SG220-28MP-K9-NA adds the regional suffix used for the United States and other North American markets.
SG220-28MP-K9 supports HTTP/HTTPS web management, a full CLI over console, SSH or Telnet, SNMP, and Cisco FindIT Network Manager. The FindIT Network Discovery Utility locates devices, while FindIT Network Manager and Probe support centralized administration. SNMP versions 1, 2c and 3 are available.
Yes, SG220-28MP-K9 reached end of sale on July 30, 2022, and its last date of Cisco support is July 31, 2027. Software maintenance ended July 30, 2023. The switch is discontinued, so an existing-fleet purchase should account for the remaining support period rather than assume ongoing software maintenance.
ORM Systems supplies SG220-28MP-K9 new sealed with up to 3-year extended warranty, or certified refurbished with up to 1-year warranty. Both conditions have 30-day returns; terms apply. Cisco's limited lifetime hardware warranty includes 1-year coverage for fans and power supplies, but all Cisco warranty and service ends July 31, 2027.
SG220-28MP-K9 provides a shared 375W PoE budget across 24 powered ports, with a maximum of 30W per port. The switch supports PoE and PoE+ endpoints. A fully populated installation cannot allocate 30W to every port simultaneously, so the endpoint power requirements must fit within the shared allowance.
The Cisco SG220-28MP supports MGBSX1 for 1G multimode fiber links to 550 m and MGBLX1 for 1G single-mode links to 10 km. Both fit the fixed Gigabit SFP uplinks. Match the transceiver to the installed fiber, link distance and remote interface rather than selecting an optic solely by connector appearance.
No, Cisco 220 Series Smart Switches provide Layer 2 switching rather than inter-VLAN routing. VLANs separate traffic, but communication between those VLANs requires an external routing device. IPv4/IPv6 management support and IP-based access controls do not make this family a replacement for a routed access switch.
Yes, SG220-28MP-K9 is a full-width 1U rack-mount switch measuring 440 mm wide, 44 mm high and 250 mm deep, with a weight of 4.26 kg. The original package includes a mounting kit. Confirm the mounting hardware and power cord supplied with the selected condition before finalizing the order.
No, the Cisco SG220-28MP uses three speed-controlled fans and is not a silent desktop switch. Acoustic output is 31.4 dB below 32°C and reaches 52.6 dB above 40°C. Consider the equipment location and ambient temperature when deciding whether the switch can sit near occupied work areas.
SG220-28MP-K9 provides a 375W PoE budget, compared with 180W on SG220-26P-K9-NA. Both models are discontinued. For existing-fleet maintenance, the former matches installations needing the larger endpoint-power allowance, while the latter matches a lower-budget configuration; neither should be selected by powered-port count alone.
SG220-50P-K9-NA has 48 Gigabit PoE+ access ports, whereas SG220-28MP-K9 has 24. Both models are discontinued, so this comparison concerns legacy inventory rather than a current replacement recommendation. The smaller model matches a 24-connection requirement; the larger model matches an existing installation requiring twice that copper access-port density.
CBS220-24FP-4G-NA connects directly to Cisco Business Dashboard, whereas SG220-28MP-K9 uses its embedded web interface, CLI, SNMP and FindIT management options. CBS220-24FP-4G-NA is the current replacement; SG220-28MP-K9 is discontinued. The replacement suits a Dashboard-led purchase, while the legacy model suits buyers matching an existing equipment inventory.
United States
