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CBS350-48P-4G
Cisco CBS350-48P-4G Business 350 48-Port Gigabit PoE+ Switch...
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CBS350-48P-4G is a managed Layer 2+ small-business access switch with 48 Gigabit Ethernet PoE+ downlinks and four fixed 1G SFP uplinks for fiber or copper transceiver handoffs. The 1U Cisco Business 350 Series platform targets small-office wiring closets that need local web, CLI, app, or dashboard management without a modular uplink bay. A shared PoE budget supports phones, cameras, and access points across the 48-port Gigabit PoE+ access switch, while the internal universal AC supply keeps the chassis self-contained. Compared with CBS350-48FP-4G, this model keeps the same access-port and uplink layout but changes the power allocation from full PoE to the standard PoE budget.
CBS350-48P-4G price for new stock is $1,571.85, a 37.4% saving from the Cisco list price of $2,510.68. CBS350-48P-4G refurb price is $729.75. CBS350-48P-4G is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS350-48P-4G for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
104 Gbps switching capacity and 77.38 Mpps forwarding keep the 52 total Gigabit interfaces wire-speed and nonblocking. 370W of PoE power is allocated within the listed port budget, so endpoint draw must be sized as a shared pool rather than assumed at maximum on every powered port. Static IPv4 routing supports up to 990 routes, and RIP v2, PBR, Layer 3 interfaces, DHCP relay, and UDP relay cover routed small-business segments. CBS350-48P-4G carries 512 MB DRAM, 256 MB flash, a 3 MB dynamically shared packet buffer, and a 16K-address MAC table. STP, RSTP, MSTP, PVST+, RPVST+, LACP, RADIUS, TACACS+, ACLs, 8 hardware queues, RSPAN, sFlow, LLDP-MED, and Cisco Discovery Protocol provide access-layer control and observability. Management includes Cisco Business Dashboard embedded probe, Cisco Business mobile app, HTTP/HTTPS web UI, Textview CLI, SNMP, SSH, and firmware upgrades through HTTP/HTTPS, TFTP, or SCP.
Order CBS350-48P-4G new sealed or certified refurbished according to lifecycle, cosmetic, and budget requirements. Certified refurbished units are inspected and bench-tested; managed units are firmware verified and wiped to factory default, with PoE output verified under load, optics bay recognition, fan status, power-on, POST, and clean boot checks. Place the PO with the required regional power cord and SFP transceivers; new units carry up to a 3-year extended warranty, certified refurbished up to 1 year, and every condition has 30-day returns, terms apply. PO accepted, Net-30 for government, RMA with advance replacement, and UK, EU, US, and MEA stock/RMA support volume orders.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+, 4 x 1G SFP |
PoE Budget | 370W |
Max Power Draw | 451.95W |
Cooling | 1 fan |
Lifecycle Status | End-of-sale 29 October 2024 |
Replacement PID | C1300-48P-4G |
A branch closet with phones, cameras, and access points can consolidate 48 Gigabit copper drops on one PoE+ chassis while reserving four SFP cages for distribution or fiber handoff. Before the PO, total endpoint draw against the 370W shared budget and specify each SFP optic.
An installed SG350-52P or SF350-48P base can move to the Cisco Business generation that regional lifecycle notices named as its migration path. Match the country suffix to the power cord region, then check the October 31, 2029 support boundary before ordering spares.
Multi-site teams that need web, Textview CLI, SNMP, Cisco Business Dashboard, and mobile app management can standardize access closets without a separate dashboard probe on site. Specify 1U rack space, internal AC power, and the firmware baseline to stage before shipment.
Hardware stack expansion
CBS350-48P-4G is not in the hardware-stacking model set; CBS350-48P-4X adds stacking but is discontinued, with C1300-48P-4X named as migration product.
10G distribution uplinks
CBS350-48P-4G uses four 1G SFP uplinks; CBS350-48P-4X provides 10G SFP+ uplinks but is discontinued, with C1300-48P-4X named as migration product.
Full PoE allocation
CBS350-48P-4G provides 370W PoE; CBS350-48FP-4G provides 740W but is discontinued, with C1300-48FP-4G named as migration product.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| CBS350-48P-4G |  SG350-28-K9-EU |  CBS350-24S-4G |  CBS350-16T-2G |  CBS350-48P-4X | |
|---|---|---|---|---|---|
| Depth | 350 mm | 202 mm | 203 mm | 272 mm | 350 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 | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Desktop | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | CBS350-48P-4G | SG350-28-K9-EU | CBS350-24S-4G | CBS350-16T-2G | CBS350-48P-4X |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 451.95W | 19.9W | 34.3W | 18.63W | 471.9W |
| Switching Capacity | 104 Gbps | 56 Gbps | 56 Gbps | 36 Gbps | 176 Gbps |
| Weight | 5.43 kg | 2.75 kg | 2.7 kg. | 1.78 kg | 5.43 kg |
| Width | 445 mm | 440 mm | 440 mm | 268 mm | 445 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.
Reviewed on the 17 August 2026
Exceptional 48-port PoE+. Consistent power delivery and advanced L3 routing management.
Reviewed on the 30 September 2017
Reliable and smart. 48 ports of PoE+ are stable for all devices.
Reviewed on the 28 July 2026
Top-tier managed PoE. Professional features and high reliability for busy enterprise sites.
Reviewed on the 17 February 2023
Consistent performance. The PoE+ budget handles our numerous endpoints without fail.
Reviewed on the 26 May 2020
Robust and dependable. High-quality 48-port build with comprehensive Cisco management tools.
Reviewed on the 14 September 2025
Stable PoE+ output. Great throughput and very easy to manage across ports.
Reviewed on the 6 February 2018
Excellent 48-port solution. Reliable power and fast L3 switching combined perfectly.
Reviewed on the 10 April 2023
Professional grade networking. PoE+ is steady and the switch is very responsive.
CBS350-48P-4G is a Cisco Business 350 managed Layer 2+ switch with 48 10/100/1000 PoE+ access ports, a 370W PoE budget, and four Gigabit SFP uplinks. It is a 1U rack-mount model for small-business access networks that need local routing features and centralized management options.
CBS350-48P-4G identifies a Cisco Business 350 managed switch. CBS350 is the family, 48P matches the 48 10/100/1000 PoE+ access-port configuration with a 370W budget, and 4G matches four Gigabit SFP uplinks. The country suffix represents the regional power-cord and compliance variant.
CBS350-48P-4G is managed through Cisco Business Dashboard, the Cisco Business mobile app, the HTTP/HTTPS web UI, SNMP, and Textview CLI over SSH or Telnet. The embedded dashboard probe removes the need for a separate on-site probe appliance while still supporting local administration.
CBS350-48P-4G is past end-of-sale; affected regional variants had a last order date of October 29, 2024 and last ship date of January 27, 2025. Cisco lists October 31, 2029 as the last date of support and names C1300-48P-4G as the migration product.
CBS350-48P-4G is available from ORM Systems new sealed or certified refurbished. Cisco lists a limited lifetime warranty with next-business-day advance replacement where available, bounded by support ending October 31, 2029. ORM offers up to a 3-year extended warranty new, up to 1 year refurbished, and 30-day returns, terms apply.
CBS350-48P-4G provides 48 PoE+ ports and 370W of power dedicated to PoE. The budget is shared across the powered RJ-45 ports, so high-draw endpoint mixes should be totaled before port allocation. Worst-case power with PoE is 451.95W at 110V.
CBS350-48P-4G has four fixed Gigabit SFP uplinks, not a modular uplink bay. Supported 1G SFP options include MGBSX1, MGBLX1, MGBLH1, MGBT1, GLC-SX-MMD, GLC-LH-SMD, GLC-BX-U, GLC-BX-D, and GLC-TE. Order the required optics separately from the switch.
CBS350-48P-4G does not support hardware stacking. Hardware stacking in the Cisco Business 350 line is limited to listed 4X, multigigabit, and 10G models, with four units per stack. For this PID, plan standalone management rather than stack expansion.
CBS350-48P-4G supports static IPv4 routing up to 990 routes, RIP v2, PBR, IPv6 routing, Layer 3 interfaces, DHCP relay, and UDP relay. That feature set makes the switch Layer 2+ under access-switch filtering, with routing suited to small segmented networks rather than full enterprise dynamic routing.
CBS350-48P-4G is rack-mountable in a 1U 445 x 350 x 44 mm chassis. The unit uses an internal universal 100-240V AC power supply and weighs 5.43 kg, so the purchase order should match the regional power-cord suffix and rack kit expectations.
CBS350-48P-4G regional variants were named as migration products for SF350-48P-K9-AR, SF350-48P-K9-BR, SF350-48P-K9-IN, SG350-52P-K9-NA, and SG350-52P-K9-UK. The older SG350 and SF350 select models reached end-of-sale on October 30, 2021 and last support on October 31, 2026.
CBS350-48FP-4G carries a 740W PoE budget where CBS350-48P-4G carries 370W. Both share 48 Gigabit PoE+ access ports and four Gigabit SFP uplinks, so CBS350-48FP-4G fits denser powered-endpoint loads, while CBS350-48P-4G fits lighter PoE allocations.
CBS350-48P-4X carries four 10G SFP+ uplinks where CBS350-48P-4G carries four 1G SFP uplinks. Both keep 48 Gigabit PoE+ ports and a 370W budget, so CBS350-48P-4X fits faster distribution links, while CBS350-48P-4G fits 1G fiber handoffs.
C1300-48P-4G is the named migration product for regional CBS350-48P-4G variants after the CBS350 end-of-sale milestone. The Cisco Business 350 model suits installed-base sparing through its support window, while C1300-48P-4G suits new standardization on the current successor.
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