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SG250-08-K9-NA
Cisco SG250-08-K9-NA 250 8-Port Gigabit Desktop Switch
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SG250-08-K9-NA combines fanless cooling with eight 10/100/1000 RJ-45 ports in a desktop smart switch for small-business networks. Layer 2+ functionality adds static routing to local switching, while the all-copper layout has no separate uplink bank or removable network module. The Cisco 250 Series connects office computers, printers, and locally powered network devices where desktop or wall placement is required. Unlike the discontinued SG250-08HP-K9-NA, which supplies PoE+ to connected devices, this model does not deliver endpoint power. Voice VLAN and QoS allow administrators to distinguish telephony traffic from ordinary data. An external adapter or Ethernet power input supplies the compact Gigabit smart switch itself, so the purchase order needs to distinguish switch power from the separate power arrangements for attached equipment.
SG250-08-K9-NA price for new stock is is available on request. Get immediate quote. SG250-08-K9-NA refurb price is $369.13.
Request bulk order quote for SG250-08-K9-NA for additional pricing. Browse the full Cisco SG250 Switches series or explore all Cisco products.
16 Gbps switching capacity provides a nonblocking fabric for the fixed copper interfaces. 11.9 Mpps forwarding handles 64-byte packets at wire speed, while a dynamically shared 12 Mb packet buffer serves all connections. 32 static IPv4 routes provide a bounded inter-VLAN routing resource; dynamic routing is not included. SG250-08-K9-NA carries 512 MB of DRAM and 256 MB of flash for its embedded software and configuration storage. The MAC table accommodates 8000 addresses for local Ethernet forwarding. STP, RSTP, and MSTP support loop control, while LACP provides link aggregation where the connected equipment supports it. Management is available through a browser interface or the Textview CLI, with SNMP for monitoring and integration. Energy Efficient Ethernet and cable-length detection adjust power use according to link conditions. The maximum 7.6W system consumption sets the electrical load for the switch itself, rather than representing an available power budget for attached devices.
Order SG250-08-K9-NA new sealed or certified refurbished, with the condition and supplied adapter confirmed on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, PoE-powered startup on the PD port, and rated output from the supplied adapter; firmware is verified and configurations are wiped to factory default. ORM provides up to a 3-year extended warranty on new units, up to 1 year on certified refurbished units, and 30-day returns on every condition, terms apply; Cisco's limited lifetime hardware warranty includes 1-year power supply coverage and ends July 31, 2027. PO orders are accepted, government buyers receive Net-30, and enterprise or volume orders can include RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 8 x 1G RJ-45 / No dedicated uplinks |
Powered by PoE | 802.3af / 802.3at input on port 8 |
Max Power Draw | 7.6W |
Cooling | Fanless |
Lifecycle Status | End of sale July 30, 2022 |
Replacement PID | C1200-8T-D |
When an existing office needs communication between separate workgroups without replacing the external router, the switch supports 16 IP interfaces for local routing. Keep the existing router assigned to external traffic and security, and define the required VLAN interfaces before specifying the hardware.
When several locations need the same switch configuration, text-editable configuration files can be downloaded to another unit rather than recreated through individual settings. Dual firmware images support a staged software change. Specify a common configuration baseline and firmware acceptance criteria with the hardware quantities before issuing the PO.
When a troubleshooting bench needs traffic from multiple connections captured on one analyzer, port mirroring can copy four source ports to one destination port. Reserve the analyzer connection in the test plan and specify the required capture arrangement before ordering units for the staging inventory.
PoE power for connected endpoints
SG250-08-K9-NA receives power over Ethernet but does not supply endpoint power. Phones, cameras, and access points require their own power source.
Fiber or 10G uplink connectivity
SG250-08-K9-NA has only Gigabit copper ports, without optical cages or dedicated high-speed uplinks. No removable network module can add fiber or 10G connectivity.
Cisco support beyond July 2027
SG250-08-K9-NA reaches its last Cisco support date on July 31, 2027. C1200-8T-D is the current successor after the discontinued CBS250-8T-D-NA intermediate replacement.
Mon–Fri: [09:00-16:00]
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| SG250-08-K9-NA |  SG250-50HP-K9-UK |  SG250-26-K9-UK |  SG250-08 |  SG250-10P-K9-NA | |
|---|---|---|---|---|---|
| Depth | 128 mm | 350 mm | 202 mm | 128 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 | Desktop | Rack-Mount 1U | Rack-Mount 1U | Desktop | Desktop |
| Height | 30 mm | 44 mm | 44 mm | 30 mm | 44 mm |
| Manufacturer Part Number | SG250-08-K9-NA | SG250-50HP-K9-UK | SG250-26-K9-UK | SG250-08 | SG250-10P-K9-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 7.6W | 267.2W | 18.9W | 7.6W | 85.19W |
| Switching Capacity | 16 Gbps | 100 Gbps | 52 Gbps | 16 Gbps | 20 Gbps |
| Weight | 0.54 kg | 4.8 kg. | 2.72 kg. | 0.54 kg | 1.2 kg |
| Width | 160 mm | 440 mm | 440 mm | 160 mm | 280 mm |
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New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
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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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SG250-08-K9-NA identifies an eight-port Gigabit Smart Switch in the Cisco 250 Series, with the NA regional ordering suffix. The 08 segment corresponds to eight 10/100/1000 ports. NA covers the United States, Canada, Mexico, Colombia, Chile, and the remaining Latin American markets.
SG250-08-K9-NA supports HTTP/HTTPS browser management, a scriptable Textview CLI over SSH or Telnet, and SNMP versions 1, 2c, and 3. Network-level options include Smart Network Application, FindIT Network Manager with an embedded FindIT Network Probe, and Cisco Active Advisor. FindIT Network Discovery provides browser-based device discovery.
Yes, SG250-08-K9-NA can receive operating power through port 8 from an 802.3af PoE or 802.3at PoE+ source, or use an external AC adapter. Ethernet power input does not provide PoE output or pass-through power for connected endpoints. Select the upstream power source independently from endpoint power requirements.
SG250-08-K9-NA is discontinued: its end-of-sale date was July 30, 2022, and its last Cisco support date is July 31, 2027. Software maintenance ended July 30, 2023. The current migration chain ends at C1200-8T-D after the discontinued intermediate replacement CBS250-8T-D-NA.
SG250-08-K9-NA replaces SLM2008T-NA, the SG200-08 eight-port Gigabit Smart Switch. The matching eight-port role explains the migration relationship, but configuration transfer should be treated as a separate acceptance check. Identify the older hardware by its complete SLM2008T-NA order number when matching a replacement purchase.
SG250-08-K9-NA supports static IPv4 routing with 32 routes and 16 IP interfaces, making the switch Layer 2+ rather than a dynamic-routing access model. VLAN interfaces can participate in local routing. Keep the route count and interface count separate when checking whether an existing configuration will fit.
SG250-08-K9-NA supports desktop and wall placement, not standard rack mounting. The chassis measures 160 mm wide, 30 mm high, and 128 mm deep, and weighs 0.54 kg. Fanless cooling eliminates fan hardware, and the operating temperature range is 0°C to 50°C; select an installation location within that range.
ORM offers SG250-08-K9-NA new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty. Both conditions have 30-day returns; terms apply. Cisco provides a limited lifetime hardware warranty, with 1-year power supply coverage, bounded by the July 31, 2027 last support date.
SG250-08HP-K9-NA provides eight PoE+ output ports sharing 45W, while SG250-08-K9-NA has no PoE output. Both models are discontinued, so the comparison distinguishes existing hardware requirements rather than a current-generation recommendation. The non-PoE model suits separately powered endpoints; the HP model suits installations requiring switch-supplied endpoint power.
SG250-26-K9-NA uses an internal AC supply, while SG250-08-K9-NA uses an external adapter or PoE input. The discontinued 26-port model also has 24 dedicated copper ports and two copper/SFP combo ports. The compact model suits external-power installations; the larger model suits existing requirements for an internal supply.
C1200-8T-D is the current successor in the migration chain, whereas SG250-08-K9-NA is discontinued with support ending July 31, 2027. Both occupy an eight-port Gigabit desktop role with external power. The older switch suits exact-part sparing; the successor suits purchases intended to move to the current hardware generation.
Yes, the Cisco 250 Series supports automatic voice VLAN assignment and QoS treatment for voice traffic. Cisco Discovery Protocol, LLDP-MED, Auto Smartports, and Voice Services Discovery Protocol help identify and configure voice endpoints. SG250-08-K9-NA still requires phones to receive power independently because its ports do not supply PoE.
United States
