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SG550XG-8F8T-K9
Cisco SG550XG-8F8T-K9 550X 8-Port 10 Gigabit Switch, 8x10G S...
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SG550XG-8F8T-K9 combines eight 10GBASE-T copper interfaces with eight dedicated 10G SFP+ interfaces in a managed, non-PoE rack-mount switch. The fixed copper and fiber connections serve networks retaining both media types without an uplink-card purchase. Within the Cisco 550X Series, this configuration provides 10 Gigabit connectivity rather than Gigabit access with faster uplinks. Its routing capabilities place it in Layer 2+ for deployments using static routes or RIP v2. The discontinued SG550X-24P-K9-NA differs by providing Gigabit PoE+ access for powered endpoints. For an existing installation, distinguish the mixed-media configuration from copper-dense or fiber-dense models before matching a replacement spare.
SG550XG-8F8T-K9 price for new stock is is available on request. Get immediate quote. SG550XG-8F8T-K9 refurb price is $1,270.06.
Request bulk order quote for SG550XG-8F8T-K9 for additional pricing. Browse the full Cisco 550X Series Stackable Managed Switches series or explore all Cisco products.
320 Gbps switching capacity and 238.08 Mpps forwarding support nonblocking operation, with the forwarding figure specified for 64-byte packets. A shared packet buffer handles traffic across the interfaces. SG550XG-8F8T-K9 includes separate DRAM and flash storage for its managed operation. Static routing, RIP v2, PBR and VRRP support local traffic control without an enterprise routing license tier being identified for this model. STP, RSTP, MSTP and LACP provide spanning-tree and link-aggregation controls. Browser management and Textview CLI support local administration, while a dedicated Gigabit out-of-band interface separates management connectivity from the data ports. The 16-port 10G stackable managed switch also supports SNMP-based monitoring. Confirm the intended management method, routing configuration and interface allocation during staging rather than assuming configuration compatibility with another Cisco switch family.
Specify SG550XG-8F8T-K9 in new sealed or certified refurbished condition, and confirm the regional power connection before placing the purchase order. Certified refurbished units are inspected and bench-tested for power-on, POST, rated-speed port links and a clean boot; managed units are firmware verified and wiped to factory default. New units carry up to a 3-year extended warranty, certified refurbished units carry up to 1 year, and every condition has 30-day returns; terms apply. Cisco service ended June 30, 2025. For enterprise and volume orders, POs are accepted, government Net-30 is available, and RMA with advance replacement is supported across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 8 x 10G copper / 8 x 10G SFP+ |
Stacking | Hardware stacking / 8 members |
Max Power Draw | 84.6W |
Cooling | 3 operating fans / 1 redundant fan |
Lifecycle Status | Cisco support ended June 30, 2025 |
Replacement PID | C1300-16XTS |
When an installed network needs a matching spare, retain the required configuration and identify which interfaces connect each neighboring device before ordering. Match the hardware identity rather than relying on the broader series name, and specify the required condition and regional power connection on the purchase order.
When an expansion must retain existing copper and fiber links, inventory the connection at both ends of each planned circuit. Record the required interface, transceiver, fiber type and reach separately from the switch quantity so the purchase order does not leave the installation dependent on an incomplete accessory selection.
Cisco service coverage for new installations
Cisco service for SG550XG-8F8T-K9 ended June 30, 2025. C1300-16XTS is the current migration choice at the end of its replacement chain.
Power delivery to connected endpoints
SG550XG-8F8T-K9 does not supply PoE. Connected devices requiring power over their network cable need a separate power source or different switching hardware.
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| SG550XG-8F8T-K9 |  SG550X-24P-K9 |  SG550XG-48T |  SG550X-24MPP-K9-NA |  SG550X-24MP-K9-EU | |
|---|---|---|---|---|---|
| Depth | 350 mm | 350 mm | 450 mm | 450 mm | 350 mm |
| Ethernet Technology | 10 Gigabit Ethernet | Gigabit Ethernet | 10 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 | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG550XG-8F8T-K9 | SG550X-24P-K9 | SG550XG-48T | SG550X-24MPP-K9-NA | SG550X-24MP-K9-EU |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 84.6W | 269.2W | 264.4W | 870.1W | 471.2W |
| Switching Capacity | 320 Gbps | 128 Gbps | 960 Gbps | 128 Gbps | 128 Gbps |
| Weight | 5.23 kg | 4.72 kg | 7.43 kg | 6.19 kg. | 5.33 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
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.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
SG550XG-8F8T-K9 identifies the mixed-media 10G model: 8F8T corresponds to eight fiber interfaces and eight copper interfaces. K9 remains part of the ordering identifier.
SG550XG-8F8T-K9 supports browser management, CLI, SNMP, Smart Network Application, FindIT and Active Advisor.
SG550XG-8F8T-K9 is discontinued, and Cisco support ended June 30, 2025. End of sale was June 18, 2020, and software maintenance ended June 18, 2021. An order for retained stock does not restart Cisco's lifecycle or restore its ended service coverage.
ORM Systems offers SG550XG-8F8T-K9 new sealed or certified refurbished. New units carry up to a 3-year extended warranty; certified refurbished units carry up to 1 year. Every condition has 30-day returns; terms apply. Cisco's original limited lifetime hardware warranty and service ended June 30, 2025.
SG550XG-8F8T-K9 was replaced by SX550X-16FT-K9-NA for North American orders. That discontinued model was followed by CBS350-16XTS-NA, which is also discontinued. The replacement chain now ends at C1300-16XTS, rather than either intermediate model. Match the intended region when reviewing historical ordering identifiers.
C1300-16XTS is the current migration model, while SG550XG-8F8T-K9 has passed its final Cisco support date. The former suits a purchase following the forward replacement chain; the latter is a retained-hardware decision for an existing installation. The intermediate replacement models are discontinued, not current alternatives.
SG550XG-8F8T-K9-NA is the US regional ordering form.
The 550X switch can be ordered certified refurbished from ORM Systems. Refurbished managed units are inspected and bench-tested, firmware verified and wiped to factory default. Specify the required condition explicitly on the purchase order so the requested hardware condition is clear.
A new sealed SG550XG-8F8T-K9 does not restore Cisco support after June 30, 2025. Sealed condition describes the supplied hardware condition, not a new manufacturer support lifecycle. Separate the condition requirement from the maintenance arrangement when approving an order for this discontinued model.
A 550X order can use an accepted purchase order, with Net-30 available for government customers. ORM Systems also provides RMA with advance replacement and regional stock and RMA coverage across the UK, EU, US and MEA. State quantities and condition on enterprise and volume purchase orders.
United States
