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10GBase T ports work flawlessly with copper servers. OS10 management is straightforward.
S4112T-ON
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Dell Networking S4112T, 12 x 10GBaseT, 3 x 100GbE QSFP28, IO...
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S4112T-ON
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- Dell Networking S4112T, 12 x 10GBaseT, 3 x 100GbE QSFP28, IO to fan, 2 x AC PSU, OS10
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S4112T-ON Overview
S4112T-ON is a robust, managed, stackable switch designed with an efficient architecture that caters to enterprise-level performance and scalability. It offers versatile power options with an AC power supply and features a combination of Ethernet and SFP ports to support diverse connectivity needs, making it ideal for critical network environments.
S4112T-ON is engineered for seamless stacking and high-performance data routing at Layer 2 and Layer 3, ensuring cost-effective scalability in growing networks. Its balanced mix of fixed Ethernet ports and dedicated uplink interfaces serves various use cases ranging from campus connectivity to small and medium business deployments.
S4112T-ON price is is available on request. Get immediate quote.
Request bulk order quote for S4112T-ON for additional pricing. Browse the full Dell Networking S4100-On Switches series or explore all Dell products.
S4112T-ON Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- Number of Ethernet Ports
- 12–24 Ports
- Number of Downlink Ports
- 12 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- S4112T-ON
- Uplink Configuration
- 1G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 64 MB
- Switching Capacity
- 64 Gbps
- Switching Capacity with Stacking
- 128 Gbps
- Product Name
- S4112T-ON Managed Stackable Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 14 inches
- Weight
- 15 lbs
S4112T-ON Use Case
High-Density Spine-Leaf Data Center with Dell Networking S4112T
In an enterprise data center upgrading to a spine-leaf fabric, the Dell Networking S4112T (12×10GBaseT, 3×100GbE QSFP28, OS10) provides low-latency switching and front-to-back airflow. It delivers 1.2Tbps throughput, automates provisioning via OS10 APIs, and ensures non-stop operations with dual AC PSUs—resulting in 30% faster east-west traffic and 99.999% uptime.
Top-of-Rack Aggregation for Cloud Service Provider
A cloud service provider deploys the Dell Networking S4112T in its top-of-rack (ToR) cabinets to aggregate virtual machine traffic over 12×10GBaseT server links and 3×100GbE uplinks. OS10’s built-in automation and BGP EVPN segmentation reduce manual config by 50%, cut oversubscription, and improve bandwidth scalability—driving a 40% boost in VM provisioning speed.
Edge-Computing Aggregation Switch for IoT and 5G
At a telecom edge PoP hosting IoT and 5G gateways, the Dell Networking S4112T consolidates 10GBaseT device inputs and 100GbE core uplinks. Its compact form factor, OS10-driven telemetry, and redundant AC PSUs enable sub-millisecond latency, real-time analytics, and 24/7 reliability—reducing deployment costs by 25% and accelerating time-to-market.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| S4112T-ON |  S4128T-ON |  S4128F |  S4112F-ON |  S4148F | |
|---|---|---|---|---|---|
| Depth | 14 inches | 18 inches | 18 inches | N/A | 28 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | N/A | 1.75 inches |
| IOS | LAN Base | IP Services | LAN Base | IP Services | LAN Base |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | S4112T-ON | S4128T-ON | S4128F | S4112F-ON | S4148F |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 12 Ports | 48 Ports | 48 Ports | 12–24 Ports | 48 Ports |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | POE+ | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | N/A | 24 x 10/100/1000 Ethernet ports, 4 x 10G SFP+ uplink ports | N/A | 48 Ethernet ports with 4 dedicated SFP uplink ports |
| Power Consumption | N/A | N/A | 150 W | N/A | 200 W |
| Power Source | AC Power Supply | AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | S4112T-ON Managed Stackable Switch | Edgecore Networks S4128T-ON 48-Port 10G Rack-Mount Switch | S4128F High-Performance Rack-Mount Switch | S4112F-ON High Performance Modular Switch | S4148F High-Performance Data Center Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 64 Gbps | 176 Gbps | 320 Gbps | N/A | 320 Gbps |
| Switching Capacity with Stacking | 128 Gbps | 352 Gbps | 640 Gbps | N/A | 640 Gbps |
| Uplink Configuration | 1G | 10G | 10G | 1G / 10G / 40G | 10G |
| Weight | 15 lbs | 15 lbs | 15 lbs | N/A | 20 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | N/A | 17 inches |
Reviews & Ratings
S
Saqib Mahmood
4
Strong performance and consistent uptime since deployment.
H
Henrik Olsen
4
Great option for copper based leaf switching.
N
Nathan Willis
5
Handles virtualization traffic without latency spikes.
A
Arif Siddiq
4
Very satisfied with reliability.
Questions & Answers
What is the Dell Networking S4112T switch designed for?
The Dell Networking S4112T is a top-of-rack data center switch engineered for high-performance, low-latency connectivity in cloud, virtualized and enterprise environments.
How many and what type of ports does the S4112T offer?
It provides 12×10GBase-T RJ45 ports for copper connectivity and 3×100GbE QSFP28 ports for high-speed uplinks.
What switching capacity and forwarding rate does the S4112T support?
The switch delivers up to 1.2Tbps of switching capacity with a forwarding rate of 892Mpps for line-rate performance.
Which power supplies are included with the S4112T?
The S4112T ships with dual hot-swappable AC power supply units for N+1 redundancy and continuous operation.
How is cooling implemented in the S4112T?
The switch features front-to-rear airflow with redundant variable-speed fans for efficient, data-center-optimized cooling.
Which network operating system does the S4112T run?
It runs Dell EMC OS10 Enterprise Edition, offering programmability, modularity and open networking support.
What management interfaces are available on the S4112T?
Management options include a dedicated RJ45 serial console port, USB, an out-of-band management Ethernet port and full CLI/REST API access.
Does the S4112T support Layer 3 routing protocols?
Yes, it supports advanced Layer 3 features including OSPF, BGP, VRF, static routing and Equal-Cost Multi-Path (ECMP).
Can the S4112T be rack-mounted?
Yes, it is a 1U switch with adjustable rack ears and fits standard 19-inch data center rack enclosures.
What virtualization and overlay features does the S4112T support?
It supports VXLAN EVPN for network virtualization, enabling scalable multi-tenant overlays and automation.
Does the S4112T offer MLAG or stacking capabilities?
Yes, it supports MLAG for active-active link resiliency and can be managed as a logical stack for simplified operations.
What quality of service (QoS) features are available?
The switch provides eight hardware queues per port, class-of-service (CoS) mapping, traffic shaping and policing for deterministic performance.
What security features are integrated in the S4112T?
Built-in security includes 802.1X port authentication, ACLs, RADIUS/TACACS+ support and DHCP snooping for network protection.
How reliable is the S4112T in critical environments?
With redundant fans, dual PSUs, non-stop forwarding and hot-swappable components, it ensures high availability and minimal downtime.
What warranty and support options are available for the S4112T?
It is backed by a 1-year limited hardware warranty, optional ProSupport and ProSupport Plus with 24×7 on-site service options.
Which workloads are ideal for the S4112T switch?
It is ideal for hyper-converged, virtualization, containerized and AI/ML workloads requiring high-density 10GbE and 100GbE connectivity.