United States$5,000,000+
Inventory Delivered By
N
Nathan Caldwell
5
High speed switching with excellent support coverage.
S4048 3 Years * 4h
Original Stock
Ready to Ship
Dell Networking S4048-ON, 48x 10GbE SFP+ , 6x 40GbE QSFP+ ,...
FEATURED DEAL
Name:
S4048 3 Years * 4h
- Description:
- Dell Networking S4048-ON, 48x 10GbE SFP+ , 6x 40GbE QSFP+ , I/O Panel to PSU Airflow, 1x AC PSUs, DNOS9，3 years and 4 hours
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Dell
- GTIN:
- 582723296521
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
S4048 3 Years * 4h Overview
S4048 3 Years * 4h is a high-performance, rack-mount network switch designed with a robust architecture that supports both Layer 2 and Layer 3 functionalities. It comes equipped with multiple power options using an AC Power Supply setup and a modular port configuration that delivers a balanced mix of twisted pair connectivity combined with fiber capabilities through a combo design. The design focuses on scalability with stacking support, allowing for simplified network expansion in enterprise and data center environments.
Built to deliver reliable performance, S4048 3 Years * 4h offers consistent switching capacity ideal for bandwidth-intensive applications. Its architecture is optimized for high throughput with 10G uplink capability and predetermined port allocations such as 4 dedicated SFP ports to ensure robust interconnectivity. This switch finds use in campus networks, branch deployments, and data centers where high availability, manageability, and efficient network scalability are essential.
S4048 3 Years * 4h price is is available on request. Get immediate quote.
Request bulk order quote for S4048 3 Years * 4h for additional pricing. Browse the full Dell Networking S4048-On Switches series or explore all Dell products.
S4048 3 Years * 4h 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
- 24–48 Ports
- Number of Downlink Ports
- 8 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- S4048 3 Years * 4h
- Uplink Configuration
- 10G
- 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
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- S4048 3 Years * 4h
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
S4048 3 Years * 4h Use Case
High-Density Top-of-Rack Aggregation for Hybrid Cloud Data Centers
In a multinational financial services firm’s hybrid cloud environment, the Dell Networking S4048-ON delivers high-density top-of-rack aggregation with 48×10GbE SFP+ and 6×40GbE QSFP+ ports, ensuring sub-2μs latency for east-west traffic. DNOS9 programmability enables automated provisioning via Ansible and REST APIs, while the 3-year, 4-hour support contract guarantees rapid hardware replacement. Outcome: accelerated VM migrations, optimized storage I/O, and a 30% reduction in operational overhead.
Low-Latency Interconnect for High-Performance Computing Clusters
In an academic research campus’s HPC deployment, the S4048-ON switch provides ultra-low-latency, lossless connectivity between compute nodes and parallel file systems using 40GbE QSFP+ uplinks and 10GbE SFP+ leaf ports. Integrated DNOS9 features—real-time telemetry, ML-driven congestion control, and network slicing—boost simulation throughput by 25%. The enterprise-grade 3-year, 4-hour support SLA ensures continuous research productivity with rapid on-site service.
Scalable Campus Core Switching for Enterprise Digital Transformation
For a global manufacturing enterprise, the Dell Networking S4048-ON acts as a scalable campus core, aggregating multiple building distribution switches over 40GbE links. Front-to-back airflow and single AC PSU design optimize cooling efficiency by 15%, while DNOS9 security features enable micro-segmentation across thousands of IoT devices. The 3-year, 4-hour support plan delivers predictable maintenance windows and minimizes unplanned downtime.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| S4048 3 Years * 4h |  S4048 1 Year NBD |  S4048T-ON |  S4048-ON | |
|---|---|---|---|---|
| Depth | N/A | 12 inches | 17 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | LAN Base | LAN Lite | IP Services | IP Lite |
| Interface Ports | 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 3 |
| Manageable | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | S4048 3 Years * 4h | S4048 1 Year NBD | S4048T-ON | S4048-ON |
| Media Type Supported | Combo | Twisted Pair / Fiber | Twisted Pair | Twisted Pair / Fiber |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 8 Ports | 8 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 10G SFP+ uplink ports | 48×10/100/1000 RJ45 ports, 4×10G SFP+ uplink ports | N/A |
| Power Consumption | N/A | 150 W | N/A | N/A |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | S4048 3 Years * 4h | S4048 1 Year NBD Switch | Dell Networking S4048T-ON | Dell Networking S4048-ON |
| Product Type | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 256 Gbps | 176 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 512 Gbps | 352 Gbps | N/A |
| Uplink Configuration | 10G | 10G | 10G | 10G |
| Weight | N/A | 15 lbs | 23 lbs | 18 lbs |
| Width | N/A | 17.5 inches | 19 inches | 17.5 inches |
Reviews & Ratings
I
Imran Latif
5
Runs reliably in our core network.
L
Lars Pettersson
4
Handles heavy traffic without drops.
C
Chris Morgan
5
Very dependable data center switch.
A
Azhar Mahmood
5
Support response time is reassuring.
Questions & Answers
What are the primary specifications of the Dell Networking S4048-ON switch?
The Dell Networking S4048-ON provides 48x 10GbE SFP+ ports, 6x 40GbE QSFP+ ports, I/O-panel-to-PSU airflow, 1x AC power supply, runs DNOS9, and includes a 3-year, 4-hour warranty.
Which operating system does the S4048-ON support?
The S4048-ON runs Dell Networking OS 9 (DNOS9), offering a Linux-based, open, programmable environment for automation and integration.
What warranty coverage comes with the S4048-ON switch?
The switch includes a 3-year, 4-hour onsite warranty, ensuring rapid hardware replacement and technical support.
How does the I/O panel to PSU airflow benefit data center deployments?
The front-to-back airflow design optimizes cooling efficiency and improves compatibility with hot-aisle/cold-aisle data center architectures.
Can I stack multiple S4048-ON switches for scalability?
Yes, using DNOS9’s MLAG and LACP features, you can link multiple S4048-ON units to achieve both redundancy and higher bandwidth.
What uplink options are available on the Dell S4048-ON?
The switch features six 40GbE QSFP+ uplink ports, supporting breakout cables to 4x10GbE for flexible aggregation.
Is the S4048-ON compatible with Open Networking software?
Yes, the S4048-ON is Open Networking ready and supports third-party NOS and SDN controllers for maximum flexibility.
What is the switching capacity of the Dell S4048-ON?
The S4048-ON delivers up to 1.44 Tbps of non-blocking switching capacity with 1.04 Bpps forwarding performance.
How energy-efficient is the Dell Networking S4048-ON?
The switch uses low-power 10GbE PHYs, advanced power supplies, and optimized airflow to reduce overall power consumption.
What management tools support the S4048-ON?
Manage the switch via Dell’s OpenManage, CLI, REST API, SNMP, and Ansible modules for automated provisioning.
Does the S4048-ON support advanced Layer 3 routing protocols?
Yes, DNOS9 on the S4048-ON supports OSPF, BGP, RIP, PIM, VRF, and static routing for robust Layer 3 operations.
What form factor and dimensions does the S4048-ON have?
The switch is a 1U rack-mountable unit measuring 44.5 cm (17.5 in) in width, 43.2 cm (17.0 in) in depth, and 4.4 cm (1.7 in) in height.
How many MAC addresses and routes can the S4048-ON handle?
The S4048-ON supports up to 256,000 MAC addresses and 64,000 IPv4 routes (32,000 IPv6 routes) for large-scale networks.
What power supply options are available for this model?
This configuration includes one 550W AC power supply; optional hot-swap redundant AC or DC power supplies are also supported.
Is the Dell S4048-ON suitable for virtualization and cloud environments?
Absolutely; it supports VXLAN, EVPN, and SR-IOV offloads, making it ideal for virtualized and multi-tenant cloud data centers.
How do I obtain firmware and software updates for the S4048-ON?
Firmware and DNOS9 updates are available through Dell Support or OpenManage Network Manager for automated patch management.