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CBS350-12XS-NA
Cisco CBS350-12XS-NA Business 350 12-Port 10 Gigabit Etherne...
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CBS350-12XS-NA provides managed, fiber-first switching through ten dedicated 10 Gigabit SFP+ ports and two additional copper/SFP+ combo connections. Each combo connection uses either its copper interface or its SFP+ cage, giving twelve active data connections rather than fourteen. The non-PoE, Layer 2+ switch fits a 1U rack position and belongs to the Cisco Business 350 Series, serving small-business networks that need fiber connectivity and local routing. Its fixed interfaces do not require a removable uplink card. The discontinued CBS350-12XT-NA reverses the media emphasis, providing twelve copper connections with two shared SFP+ interfaces. Within the Cisco Business portfolio, this fiber-oriented configuration accommodates optical links while retaining copper connectivity for equipment without an optical interface.
CBS350-12XS-NA price for new stock is $1,676.85, a 50% saving from the Cisco list price of $3,353.70. CBS350-12XS-NA refurb price is $787.50. CBS350-12XS-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-12XS-NA for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
240 Gbps switching capacity accommodates traffic across the switch's active data interfaces. 178.56 Mpps forwarding performance, measured with 64-byte packets, provides a separate packet-rate reference for traffic sizing. Static routing, RIP v2, and PBR support local forwarding between IP networks; the static IPv4 limit is 990 routes, with 128 IP interfaces available for addressing routed connections. CBS350-12XS-NA carries 512 MB of DRAM and 256 MB of flash for its operating software and configuration storage, while a 3 MB packet buffer is shared dynamically across ports. The MAC table accommodates 16000 entries for attached devices. STP, RSTP, MSTP, and LACP support loop control and aggregated links, while 4094 simultaneous VLANs permit traffic separation. Browser access, a scriptable CLI, and SNMP provide different administration paths. 25.3W worst-case consumption supplies the maximum reference for electrical load planning without an endpoint-power allocation.
CBS350-12XS-NA is available new sealed or certified refurbished; ORM's new-unit coverage is up to a 3-year extended warranty, certified refurbished coverage is up to 1 year, and returns are available for 30 days on every condition, with terms applying. Certified refurbished units are inspected and bench-tested, with every port linking at rated speed, optics bay recognition checked, firmware verified, and configuration wiped to factory default. Specify this switch's condition, quantity, and compatible optics on the purchase order. PO accepted, Net-30 for government, and RMA with advance replacement support enterprise and volume purchasing, with regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 10 x 10G SFP+ / 2 x 10G copper/SFP+ combo |
Stacking | Hardware stacking / 4 members |
Cooling | 4 fans |
Replaces | SX550X-12F-K9-NA / End of sale July 30, 2022 |
Lifecycle Status | End of sale May 30, 2024 |
Replacement PID | C1300-12XS |
An installed SX550X-12F-K9-NA fleet creates a replacement purchase tied to existing optical connections and configuration practices. That predecessor reached end of sale on July 30, 2022. For a like-role replacement order, inventory the existing optics, cable lengths, and interface assignments, then confirm those items against the replacement configuration before issuing the PO.
A rollout across several small offices requires a repeatable provisioning method rather than individual configuration at each location. The embedded Cisco Business Dashboard Probe avoids a separate probe appliance, and the Network Plug and Play agent supports provisioning. Specify the management workflow and initial configuration requirements with each site's hardware order.
A staging purchase intended for configuration rehearsal or firmware preparation needs controlled image handling before equipment leaves the bench. Dual firmware images and SCP file transfers support that workflow, while text-editable configuration files allow prepared settings to be transferred. Include the intended firmware verification and configuration handoff requirements on the staging order.
More than two copper data connections
Only two copper data interfaces are available, each shared with an SFP+ cage. C1300-12XT-2X instead provides twelve 10 Gigabit copper ports and two SFP+ ports.
PoE-powered phones or access points
CBS350-12XS-NA supplies no PoE output to connected endpoints. Phones, access points, or cameras requiring power through their network cable need a separate power source.
Continued Cisco security software maintenance
Security software support ended May 30, 2025, so this model does not meet a requirement for continuing security maintenance. C1300-12XS is the current migration model.
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| CBS350-12XS-NA |  CBS350-48P-4G-NA |  CBS350-24FP-4X |  CBS350-48FP-4G-NA |  CBS350-24FP-4G | |
|---|---|---|---|---|---|
| Depth | 257 mm | 350 mm | 345 mm | 350 mm | 345 mm |
| Ethernet Technology | 10 Gigabit Ethernet | Gigabit Ethernet | 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 | CBS350-12XS-NA | CBS350-48P-4G-NA | CBS350-24FP-4X | CBS350-48FP-4G-NA | CBS350-24FP-4G |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 25.3W | 451.95W | 451.8W | 886.42W | 449.7W |
| Switching Capacity | 240 Gbps | 104 Gbps | 128 Gbps | 104 Gbps | 56 Gbps |
| Weight | 3.42 kg | 5.43 kg | 4.6 kg. | 5.82 kg. | 4.6 kg. |
| Width | 440 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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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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CBS350-12XS-NA identifies a Cisco Business 350 managed switch with twelve 10 Gigabit SFP+ connections. CBS350 names the series, 12 indicates the data-port count, and XS identifies the SFP+ configuration with two shared copper connections. NA selects the regional ordering version covering the United States and several other American markets.
CBS350-12XS-NA supports an HTTP/HTTPS web interface, full and menu-based CLI access through the console or SSH/Telnet, SNMP, Cisco Business Dashboard, and the Cisco Business mobile app. The embedded Dashboard Probe runs on the switch, so Dashboard integration does not require a separate probe appliance at the installation site.
CBS350-12XS-NA reached end of sale on May 30, 2024, and its last date of support is May 31, 2029. Software maintenance and vulnerability/security support ended May 30, 2025. C1300-12XS is the current migration model, while remaining legacy units can still be specified for existing installations.
New sealed and certified refurbished CBS350-12XS-NA carry ORM warranties of up to 3 years extended and up to 1 year, respectively, plus 30-day returns on every condition; terms apply. Cisco's limited lifetime hardware warranty is separate, with next-business-day advance replacement where available, and Cisco service ends May 31, 2029.
CBS350-12XS-NA replaces SX550X-12F-K9-NA, a twelve-port 10G SFP+ stackable managed switch that reached end of sale on July 30, 2022. The predecessor's last date of support is July 31, 2027. Refresh planning should verify existing optics and configurations rather than assume that every setting transfers unchanged.
CBS350-12XS-NA has twelve active data ports: ten dedicated SFP+ connections and two copper/SFP+ combo connections. Only one interface in each combo pair can operate at a time. A separate Gigabit management port and the RJ-45 console port provide administrative connections rather than additional switched data ports.
The Business 350 fiber switch supports SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber. SFP-10G-SR supports fiber-dependent distances from 26 m to 400 m, while SFP-10G-LR supports 10 km. Match the selected transceiver PID to the fiber type and required link distance before ordering optical connections.
Yes, CBS350-12XS-NA supports hardware stacking with four members and ring or chain arrangements. The stack provides unified management and active/standby control. Supported cable options include SFP-H10GB-CU1M at 1 m, SFP-H10GB-CU3M at 3 m, and SFP-H10GB-CU5M at 5 m; interconnect selection must follow the physical stack layout.
CBS350-12XS-NA supports static routing, RIP v2, and policy-based routing. Its IPv4 static-route limit is 990 routes, and it supports 128 IP interfaces. Routed interfaces can be configured on physical ports, link aggregation groups, VLAN interfaces, or loopback interfaces, so address planning must account for the interface limit.
CBS350-12XS-NA uses an internal universal AC power supply accepting 100-240V AC at 50-60 Hz. Worst-case consumption is 24.3W at 110V or 25.3W at 220V. The switch provides no endpoint PoE output, so electrical planning covers the switch itself rather than a shared powered-device budget.
CBS350-12NP-4X-NA provides a 375W PoE budget across twelve powered ports, whereas CBS350-12XS-NA provides no PoE output. Both models are discontinued, and CBS350-12NP-4X-NA has no current migration product. The powered model addresses endpoint-power requirements; the fiber-oriented model addresses existing non-PoE optical connections rather than powered endpoint access.
CBS350-12XS-NA provides twelve SFP+ connections with two shared copper interfaces, while CBS350-12XT-NA provides twelve copper connections with two shared SFP+ interfaces. Both are discontinued. The fiber configuration suits optical-link requirements in existing installations, whereas the copper configuration suits installations whose data connections primarily use copper cabling.
C1300-12XS is the current migration model for discontinued CBS350-12XS-NA, whose end-of-sale date was May 30, 2024. The replacement retains a twelve-port SFP+ configuration with two shared 10 Gigabit copper connections. Legacy sparing can require the older PID, while purchases moving to the current generation should specify C1300-12XS.
CBS350-12XS-NA provides 240 Gbps switching capacity and 178.56 Mpps forwarding performance for 64-byte packets. The switch also carries 512 MB of DRAM, 256 MB of flash, and a dynamically shared 3 MB packet buffer. Capacity and packet rate are separate sizing references rather than interchangeable performance figures.
The Business 350 series supports STP, RSTP, MSTP, LACP, and 4094 simultaneous VLANs. Link aggregation supports eight groups with eight active ports per group. These functions provide loop control, grouped links, and traffic separation; the selected topology and VLAN configuration still need to be specified for the intended network.
United States
