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Network Switch

Cisco SG350-28 Managed Switch

The Cisco SG350-28 is a managed gigabit switch that is well-proven in Dante audio network deployments. Its QoS, IGMP snooping, and VLAN support let you properly prioritize audio traffic and segment your network for reliable low-latency performance. With 28 ports including SFP uplinks, it handles medium to large Dante networks with room to grow.

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Discontinued. Found on Cisco's official EoL/EoS notice listing page; multiple EOL announcements from 2021-2022
CISCOSG350-28
Documented outputs
00 destination connections
Documented inputs
1Based on documented inputs
Rack space
1UBuilder checks available rail space
Power draw
20W25W documented maximum
Catalog estimate
~$599Use retailer rows for current price and stock

01 · What it does—and what that changes in your rig.

Product overview

Start with the payoff, then work through how it functions, where it fits, and the details that change a real build.

The payoff

Network Switch decisions, organized around the whole rig.

The Cisco SG350-28 is the network switch that shows up in serious touring and installation Dante rigs, and for good reason. It gives you 24 copper gigabit ports plus four combo SFP uplinks in a single rack unit — enough to connect a full IEM rig, a Dante-networked console, stage boxes, and personal mixers without running out of ports mid-tour. This is a managed switch, which means it's not plug-and-play in the way a cheap unmanaged box is, but that management layer is exactly what makes it appropriate for audio work where timing and traffic priority are non-negotiable.

Documented outputs
00 destination connections
Documented inputs
1Based on documented inputs
Rack space
1UBuilder checks available rail space
CISCOSG350-28
Cisco product panel1U · 20W
Function

How it works in the path

The specs that matter at show time are QoS, IGMP snooping, and VLAN support. QoS lets you tag and prioritize Dante audio packets so a burst of control traffic from a tablet or laptop doesn't eat into your audio bandwidth. IGMP snooping keeps multicast Dante streams from flooding every port on the switch, which matters once your device count climbs. VLANs let you separate your audio network from any shared production or venue infrastructure on the same physical switch — cleaner and more reliable than hoping nothing bleeds over. At 20 watts nominal draw and 257mm depth, it fits comfortably in a shallow rack and barely registers on your power budget.

Best fit

Where it earns its place in the rack

If you're running more than a handful of Dante devices and you want a configuration that will behave the same way at every show, this is a well-proven choice with a huge base of working templates and forum knowledge behind it. The learning curve is real — you'll need to spend time in the web UI setting up QoS and IGMP before the first gig, not during load-in. If your rig is two or three Dante devices and you just need them to talk to each other, a properly configured smaller managed switch costs less. If you're wiring a campus installation or a fixed install with more than 24 audio endpoints, look at the larger siblings in the SG350 family or step up to a stackable solution.

In the rack

Details worth deciding before load-in.

  • Configure QoS and IGMP snooping at home on your bench before it ever goes in a road case — load-in is not the time to learn the Cisco web UI.
  • Use one of the four SFP ports as your uplink to a second switch or a redundant Dante network segment rather than burning copper ports on long fiber runs backstage.
  • Label every port with a P-touch before the first show: console, stage box, IEM transmitters, laptop. Twenty-four RJ45 ports look identical in a dark monitor world.
  • Keep a saved config backup on a USB drive in your kit — if the switch ever needs a factory reset mid-tour, you can restore your full QoS and VLAN setup in minutes rather than rebuilding from scratch.

02 · Know the whole path before you buy.

Signal path

Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.

Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination

Each block answers the same three questions: what arrives, what changes here, and what leaves.

01 · Source · selected
01 · Source

1 documented input

IEC C14

Arrives as
1 documented input
Connector
IEC C14
Signal
power

03 · What this product asks of the rest of the system.

Compatibility

Treat connector names as the start of the check—not the answer. These are the boundaries that determine a complete working path.

Best fit · Network Switch

Use it when 1U and 257 mm of depth fit the case.

Plan the companion path

Complete the path with upstream and downstream gear that matches connector, direction, signal type, protocol, and wiring standard.

Connector boundary

Documented connectors: RJ45, IEC C14. Match connector, direction, and signal type—not shape alone.

04 · Every connector, grouped by job.

I/O ports

Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.

Every connector, grouped by job.

Switch panels to keep the hardware view and the documented port list in sync.

Front panel
CISCOSG350-28
Rear panel
CiscoSG350-28
All documented ports for Cisco SG350-28 Managed Switch
PortPanelConnectorDirectionSignalChannels
Ethernet 1-24 (RJ45)rearRJ45 bidirectionaldata24
SFP 1-4rearRJ45 bidirectionaldata4
Power (IEC)rearIEC C14 inputpower—

Showing 3 of 3 documented physical ports.

05 · Compare the decision, not just the price.

Alternatives

The rows are organized around fit, power, I/O, and system role so a cheaper unit cannot hide a more expensive workflow.

Compare
CISCO
Fit📐 1U📐 1U · half-rack
Power⚡ 20W⚡ 4W
Weight⚖️ 4.9 lb⚖️ 0.7 lb
I/O🔌 3🔌 9
Estimate💵 ~$599💵 ~$49
Deep diveCurrent selectionFull comparison →

06 · Resolve the questions that can change the purchase or build plan.

Planning questions

Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.

How will the Cisco SG350-28 Managed Switch affect rack fit and case depth?

It occupies 1U. Its documented depth is 257 mm.

How much power does the Cisco SG350-28 Managed Switch draw?

Typical draw is 20W and documented maximum draw is 25W.

What connections does the Cisco SG350-28 Managed Switch have?

3 documented physical ports, including Ethernet 1-24 (RJ45), SFP 1-4, Power (IEC).

Is the Cisco SG350-28 Managed Switch discontinued?

Found on Cisco's official EoL/EoS notice listing page; multiple EOL announcements from 2021-2022

07 · See this unit inside a real rack plan.

Builder preview

Placement is only the start. Builder checks space · depth · weight, power headroom, dependencies, and compatible signal paths around this exact catalog item.Open in Builder
SG350-28 Managed Switch positioned in a rack planA simplified plan shows the unit taking 1 rack units, with its documented connection path continuing to a planned destination.CiscoSG350-28CONNECTED GEARnext signal destination1U · 257 mm deep

08 · Related gear, in the order you may need it.

Planning guides for network switch systems.