Description
Dell S4048T-ON with 48x 10GBASE-T, 6x 40GbE QSFP+ uplinks, dual PSUs, and Layer 2/3 support. High-performance 1U switch for enterprise and data centers.
| Attribute | Details |
|---|---|
| Brand | Dell |
| Model | S4048T-ON |
| Regulatory Model | E13W |
| Regulatory Type | E13W002 |
| Input Rating | 100–240V AC, 47–63Hz, 7.1–3.4A |
| Manufacturing Origin | Made in China |
| Certifications | CE, UL Listed (E105106), FCC, TÜV, GS, RoHS (D33002), EAC, NOM, KC, Anatel (01980-16-02723), SDPPI (42446/SDPPI/2015) |
| Compliance | CAN ICES-3(A)/NMB-3(A), FCC Part 15 |
| Safety Standards | UL, CE, GS Certified |
| Label P/N | DRN99 Rev: A01 |
| Business Location | Dell Raheen Business Park, Limerick, Ireland |
| Chinese License | 12-8763-162907 |
| Identifier | S4048T-ON C9POP8N1CYX1977 |
Product Features
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48 × 10GBASE-T RJ45 Ports – High-density 10GbE connectivity for servers and storage.
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6 × QSFP+ 40GbE Uplinks – Flexible aggregation and high-speed backbone integration.
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Dual 550W PSUs – Hot-swappable, redundant power for continuous uptime.
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Hot-Swappable Fans – Front-to-back airflow (I/O panel to PSU) for efficient cooling.
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High Performance – 1.44 Tbps switching capacity with full Layer 2/3 capabilities.
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Compact Design – 1U rackmount form factor saves valuable data center space.
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Certified Worldwide – CE, UL, FCC, TÜV, GS, RoHS, NOM, EAC, KC, Anatel, and SDPPI compliant.
General Product Information
The Dell S4048T-ON is a high-performance 1U Top-of-Rack (ToR) switch engineered for modern enterprise and data center deployments. Featuring 48 × 10GBASE-T RJ45 ports and 6 × 40GbE QSFP+ uplinks, it delivers the speed, density, and scalability needed for high-bandwidth environments.
Designed for reliability, the S4048T-ON includes dual hot-swappable 550W power supplies and redundant hot-swappable fans with front-to-back airflow, ensuring maximum uptime and efficiency. With a switching capacity of up to 1.44 Tbps, it easily supports virtualization, high-performance computing (HPC), and next-generation enterprise applications.
The S4048T-ON supports full Layer 2 and Layer 3 switching, making it flexible for multiple use cases from server aggregation to spine-leaf architectures. Globally certified (CE, UL, FCC, TÜV, RoHS, GS, NOM, EAC, Anatel, and more), this switch ensures compliance for international deployments.
Whether deployed in data centers, cloud environments, or enterprise networks, the Dell S4048T-ON is a proven choice for scalability, performance, and reliability.
Technical Specifications Table
| Specification | Details |
|---|---|
| Brand | Dell |
| Model | S4048T-ON |
| Form Factor | 1U Rackmount |
| Ports | 48 × 10GBASE-T RJ45 |
| Uplink Ports | 6 × QSFP+ (40GbE) |
| Switching Capacity | Up to 1.44 Tbps |
| Forwarding Rate | 1,072 Mpps |
| Latency | Sub-microsecond latency |
| Power Supply | 2 × 550W hot-swappable PSUs |
| Cooling | 2 × Hot-swappable fans |
| Airflow | I/O panel to PSU (front-to-back) |
| Input Voltage | 100–240V AC, 47–63Hz, 7.1–3.4A |
| Certifications | CE, UL, FCC, TÜV, GS, RoHS, NOM, EAC, KC, Anatel, SDPPI |
| Regulatory Model | E13W |
| Regulatory Type | E13W002 |
| Country of Manufacture | China |
Compatible Products
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Servers: Dell PowerEdge R740, R640, R940, HPE ProLiant DL380, Lenovo Think System SR650
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Storage Arrays: Dell EMC Unity, NetApp AFF, HPE Nimble Storage
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Operating Systems: Dell OS9/OS10, Cumulus Linux, IP Infusion, SONiC (ONIE support)
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Networking: Cisco Nexus, Arista 7050, Mellanox high-speed interconnects
Ideal Use Cases
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High-Density Data Centers – 10GbE top-of-rack switching
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Virtualization Clusters – VMware, Hyper-V, OpenStack environments
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Enterprise Networking – Core aggregation and high-speed backbones
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HPC (High-Performance Computing) – Low latency, high throughput interconnects
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Cloud Deployments – Leaf-spine architectures with scalable fabrics
Comparison Angle
The Dell S4048T-ON stands out from earlier S-series models and competing switches by offering:
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Higher port density with 48 native 10GBASE-T RJ45 ports.
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Flexible uplinks with 6 × QSFP+ (40GbE).
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Superior throughput at 1.44 Tbps vs. previous 1.28 Tbps models.
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Redundant power and cooling for maximum uptime.
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Front-to-back airflow for optimized data center rack efficiency.
Compared to the newer S4148T-ON, the S4048T-ON offers cost efficiency while still delivering excellent performance for 10GbE-focused environments.
Cross-Sell / Upsell Suggestions
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Dell S4148T-ON (newer model with 100GbE support)
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Dell PowerEdge Servers (R740, R7525, R940)
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Dell EMC Storage Systems (Unity, PowerStore)
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Compatible QSFP+ transceivers, DACs, and breakout cables
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APC / Eaton UPS systems for rack deployment