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SG350X-48-K9-NA
Cisco SG350X-48-K9-NA 350X 48-Port Gigabit Switch, 4x10G Upl...
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SG350X-48-K9-NA is a managed, non-PoE Gigabit switch with 48 access ports and four fixed 10G uplinks: two dedicated SFP+ ports and two copper/SFP+ combo ports. The Cisco 350X Series supports small-business networking in a rack-mount chassis, with static routing placing this configuration in Layer 2+.
SG350X-48-K9-NA price for new stock is $2,625.00, a 6.9% saving from the Cisco list price of $2,820.00. SG350X-48-K9-NA refurb price is $2,535.75. SG350X-48-K9-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SG350X-48-K9-NA for additional pricing. Browse the full Cisco SG350X Switches series or explore all Cisco products.
176 Gbps switching capacity and 130.94 Mpps forwarding accommodate wire-speed switching. SG350X-48-K9-NA supports 990 static IPv4 routes for configured inter-subnet forwarding rather than dynamic route learning.
ORM Systems supplies SG350X-48-K9-NA new sealed or certified refurbished, with up to a 3-year extended warranty for new units, up to 1 year for certified refurbished units, and 30-day returns on every condition; terms apply. Refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, and optics bay recognition. Cisco's limited lifetime hardware warranty ends at the October 31, 2026 support boundary. Specify condition, quantity, and accessory PIDs when ordering this switch; enterprise and volume orders accept POs, government orders receive Net-30 terms, and RMA includes advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G, 2 x 10G combo, 2 x SFP+. |
Stacking | Hardware stacking, four members. |
Max Power Draw | 51.6W. |
Replaces | SF550X-48-K9-NA; end of sale June 18, 2020. |
Lifecycle Status | End of sale October 30, 2021. |
Replacement PID | CBS350-48T-4X-NA (discontinued) → C1300-48T-4X. |
When an existing installation needs a staged spare, SG350X-48-K9-NA certified refurbished units are firmware verified and wiped to factory default. Keep the production configuration separate from the acceptance checklist, identify the intended software baseline, and specify the required condition before the purchase order.
When several sites need replacement inventory, regional stock and RMA arrangements cover UK, EU, US, and MEA. Include SG350X-48-K9-NA in the spare-unit schedule, distinguish each delivery destination from the purchasing entity, and specify the receiving region and required quantities before submitting the purchase order.
PoE power for connected endpoints
SG350X-48-K9-NA does not supply endpoint power. C1300-48P-4X is the current 48-port Gigabit PoE alternative with four 10G SFP+ uplinks.
Cisco support beyond October 2026
Cisco support for SG350X-48-K9-NA ends October 31, 2026. The migration chain reaches C1300-48T-4X; intermediate CBS350-48T-4X-NA is also discontinued.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| SG350X-48-K9-NA |  SG350X-48 |  SG350X-48-K9 |  SG350XG-24T-K9-UK |  SG350XG-48T-K9-EU | |
|---|---|---|---|---|---|
| Depth | 257 mm | 257 mm | 257 mm | 450 mm | 450 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet | 10 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 | SG350X-48-K9-NA | SG350X-48 | SG350X-48-K9 | SG350XG-24T-K9-UK | SG350XG-48T-K9-EU |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 51.6W | 51.6W | 51.6W | 146.7W | 272.6W |
| Switching Capacity | 176 Gbps | 176 Gbps | 176 Gbps | 480 Gbps | 960 Gbps |
| Weight | 3.73 kg. | 3.73 kg | 3.73 kg | 5.57 kg | 7.43 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.
SG350X-48-K9-NA identifies the 48-port Gigabit stackable 350X model. The -NA regional suffix covers the USA, Canada, Mexico, Colombia, Chile, and remaining LATAM markets except separately designated countries.
SG350X-48-K9-NA supports HTTP/HTTPS web management, console/SSH/Telnet CLI, SNMP, Smart Network Application, FindIT Network Manager and its embedded probe, FindIT discovery, Active Advisor, and Network Plug and Play provisioning.
Yes, SG350X-48-K9-NA ended sale on October 30, 2021, and Cisco support ends October 31, 2026. Its discontinued replacement CBS350-48T-4X-NA leads forward to C1300-48T-4X.
ORM Systems offers SG350X-48-K9-NA new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units. Returns are available for 30 days on every condition; terms apply. Cisco's limited lifetime hardware warranty is bounded by October 31, 2026.
SG350X-48-K9-NA replaces SF550X-48-K9-NA, which ended sale June 18, 2020. The predecessor has 48 10/100 ports rather than Gigabit access ports; both models are discontinued.
Cisco 350X Series switches support SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber. Specify the transceiver PID and fiber type on the purchase order.
Cisco 350X Series hardware stacking supports four members. Supported copper stacking cables include SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M; stacking connections require matching speeds.
Yes, Cisco 350X Series switches support static IPv4 routing with 990 routes and 128 IP interfaces. Routes require explicit configuration rather than dynamic route learning.
SG350X-48-K9-NA is non-PoE; discontinued SG350X-48P-K9-NA provides PoE with a shared 382W budget. The first suits separately powered devices; the latter serves existing powered-endpoint installations.
SG350X-48-K9-NA has 48 Gigabit access ports; discontinued SG350X-24-K9-NA has 24. Existing installations needing higher connection density favor the former; smaller legacy configurations use the latter.
SG350X-48-K9-NA has two dedicated SFP+ uplinks and two copper/SFP+ combo uplinks; C1300-48T-4X has four 10G SFP+ uplinks. The legacy model suits existing combo connections; the current successor suits all-fiber uplink migrations.
United States
