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S3048-ON
Dell Networking S3048-ON, 48x 1GbE, 4x SFP + 10GbE ports, st...
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S3048-ON is a high-performance, stackable Layer 2/Layer 3 rack-mount switch designed for scalable enterprise networks. It features an optimized architecture that supports both copper and fiber connectivity while delivering robust performance suitable for demanding data center and campus environments.
The switch offers multiple power options and flexible port configurations, including fixed 48 Ethernet ports and 4 detachable SFP uplink ports supporting 10G connectivity. Its stacking capabilities ensure enhanced scalability and simplified management for real-world use cases that demand high throughput and reliable network performance.
S3048-ON price is is available on request. Get immediate quote.
Request bulk order quote for S3048-ON for additional pricing. Browse the full Dell Networking S3000-On Switches series or explore all Dell products.
In a hybrid cloud deployment, the Dell Networking S3048-ON (48x1GbE, 4x SFP+ 10GbE) functions as a leaf switch, stacked across multiple racks with DNOS 9 automation and IO-to-PSU airflow for optimal cooling. Outcome: Delivers scalable 1Gb/10Gb connectivity, reduces east-west latency by up to 20%, and automates policy enforcement to accelerate VM mobility and simplify operations.
In a multi-floor corporate campus, the S3048-ON provides 48 high-density 1GbE access ports per floor, 4x 10GbE uplinks to the distribution layer, and stackable management under DNOS 9. The IO-to-PSU airflow design lowers energy consumption in shared closets. Outcome: Centralizes port provisioning, boosts network uptime to 99.99%, and cuts maintenance overhead by 30% through unified firmware and policy updates.
In an HPC cluster, the S3048-ON delivers 4x SFP+ 10GbE uplinks for low-latency interconnects between compute nodes, with stacking for N+1 redundancy and DNOS 9-driven QoS and traffic shaping. IO-to-PSU airflow ensures reliable cooling in dense rack layouts. Outcome: Maintains sub-10 µs network jitter, increases parallel-job throughput by 15%, and ensures predictable performance for compute-intensive workloads.
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| S3048-ON |  S4128F |  S4048T-ON |  X1052P |  X1052 | |
|---|---|---|---|---|---|
| Depth | 14 inches | 18 inches | 17 inches | 12 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 256 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 | 1.75 inches | 1 inch |
| IOS | IP Lite | LAN Base | IP Services | LAN Base | IP Services |
| 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 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | S3048-ON | S4128F | S4048T-ON | X1052P | X1052 |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber | Twisted Pair | Combo | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 48 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | POE+ | Non POE | POE+ | POE+ |
| Power Source | AC Power Supply | Redundant Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply / N/A |
| Product Name | Dell Networking S3048-ON Series Layer 3 Switch | S4128F High-Performance Rack-Mount Switch | Dell Networking S4048T-ON | X1052P Series High-Performance Switch | X1052 Next-Generation Stackable 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 | Yes | No | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 320 Gbps | 176 Gbps | 128 Gbps | 128 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 1G / 10G | 10G |
| Weight | 13 lbs | 15 lbs | 23 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | 17.5 inches | 19 inches | 17.5 inches | 17 inches |
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.
OS9 is stable and switching performance is excellent.
Good access switch with reliable uplinks.
Stacking works smoothly.
Consistent uptime in production.
Solid value for enterprise LANs.
The Dell Networking S3048-ON is a 48-port 1GbE switching solution with 4 SFP+10GbE uplinks, advanced stacking, front-to-back airflow, a single AC PSU, and runs DNOS 9 for enterprise-class performance and reliability.
The S3048-ON is ideal for top-of-rack deployments in data centers, high-performance campus networks, and virtualization environments requiring high port density, flexible uplinks, and robust stacking.
The S3048-ON provides 48 fixed 1GbE RJ45 ports and 4 SFP+10GbE uplink slots, supporting fiber or copper SFP+ optics for scalable uplink bandwidth.
It supports up to 12 units in a single stack with 80 Gbps of stacking bandwidth per module, enabling simplified management and high availability across all members.
The switch employs front-to-back airflow from the IO panel toward the PSU, optimizing thermal management in data center rack environments.
Each S3048-ON ships with a single hot-swappable AC power supply (250W), supporting optional redundant PSUs for increased uptime.
The switch runs DNOS 9, Dell’s Linux-based network OS, offering industry-standard CLI, RESTful APIs, and comprehensive Layer 2/3 features.
Use the built-in lifecycle controller or Dell’s Network Manager to upload the new DNOS 9 image, schedule a maintenance window, and follow the CLI prompts for automated validation and installation.
Manage the switch via CLI, SNMP, RANCID, OpenManage Network Manager, or RESTful API for configuration, monitoring, and automation tasks.
No, the S3048-ON does not support Power over Ethernet; it is designed for data-only deployments.
Typical power draw is 75W, with a maximum of 125W under full load, ensuring efficient operation in high-density environments.
The switch measures 1.72" H x 17.3" W x 17.3" D and weighs approximately 12.3 lbs (5.6 kg), fitting standard 1U rack spaces.
Dell offers a 1-year hardware warranty, with optional ProSupport and ProSupport Plus services providing 24×7 expert assistance and rapid replacement.
No, stacking is supported only among identical S3048-ON units to ensure firmware, feature parity, and optimal performance.
The SFP+ slots support 1/10GbE SR/LR optics, 1GbE SFPs, and DAC cables, enabling flexible uplink distances from 1m to 10km.
Use the DNOS 9 CLI or GUI: navigate to interface configuration mode, define VLAN membership with the 'switchport access vlan' or 'switchport trunk allowed vlan' commands, then verify with 'show vlan brief'.
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