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S4048 1 Year NBD
Dell Networking S4048-ON, 48x 10GbE SFP+ , 6x 40GbE QSFP+ ,...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
S4048 1 Year NBD is an enterprise-class switch engineered with a robust internal architecture that supports high-performance data flow, reliable stacking, and scalability for growing network environments. Designed for critical applications, its diverse power options and intelligent port configurations ensure it meets demanding performance standards while maintaining operational continuity.
S4048 1 Year NBD offers versatile connectivity with fixed 10/100/1000 Ethernet ports and dedicated 10G SFP+ uplink ports, making it ideal for large campus or data center deployments. Its advanced stacking capabilities and efficient switching capacity deliver excellent throughput and low latency, positioning it as a dependable solution for mission-critical network infrastructures.
S4048 1 Year NBD price is is available on request. Get immediate quote.
Request bulk order quote for S4048 1 Year NBD for additional pricing. Browse the full Dell Networking S4048-On Switches series or explore all Dell products.
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| S4048 1 Year NBD |  S4048-ON |  S4048 3 Years * 4h |  S4048T-ON | |
|---|---|---|---|---|
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 64 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| IOS | LAN Lite | IP Lite | LAN Base | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | S4048 1 Year NBD | S4048-ON | S4048 3 Years * 4h | S4048T-ON |
| Media Type Supported | Twisted Pair / Fiber | Twisted Pair / Fiber | Combo | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 8 Ports | 48 Ports | 8 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 |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | S4048 1 Year NBD Switch | Dell Networking S4048-ON | S4048 3 Years * 4h | Dell Networking S4048T-ON |
| Product Type | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 256 Gbps | 176 Gbps | 128 Gbps | 176 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G |
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.
Same strong performance with standard support coverage.
Reliable 10GbE switching for servers.
Stable OS9 operation.
Good core switch for medium data centers.
No operational issues observed.
The Dell Networking S4048-ON with 1 Year NBD is a 1U leaf switch featuring 48x10GbE SFP+ and 6x40GbE QSFP+ ports, powered by DNOS9 and backed by next-business-day on-site support.
The S4048-ON provides 48 10GbE SFP+ ports and 6 40GbE QSFP+ ports for high-density 10/40GbE connectivity.
This switch runs Dell Networking OS 9 (DNOS9), delivering modularity, programmability and advanced Layer 2/3 features.
The Dell S4048-ON uses front-to-rear I/O-to-PSU airflow, optimizing cooling in hot-aisle/cold-aisle data centers.
It ships with a single AC power supply (PSU) and supports redundant PSU upgrades for high availability.
The 1 Year NBD (Next Business Day) service provides on-site hardware replacement and proactive support within one business day.
The switch offers 1.44 Tbps of switching capacity with up to 1.08 Bpps forwarding performance.
Yes. With its 48 10GbE and 6 40GbE ports, the S4048-ON is optimized for leaf-and-spine deployments in modern data centers.
No. The S4048-ON does not support physical stacking; it relies on Virtual Link Trunking and MLAG for redundancy.
Management is via a dedicated RJ45 out-of-band Ethernet port, USB console port, and serial console port.
The SFP+ ports support a wide range of Dell-certified 10GbE SFP+ DAC/active optical and SR/LR transceivers.
DNOS9 delivers EVPN-VXLAN, ACI Multi-Pod support, dynamic routing protocols and comprehensive QoS capabilities.
The switch measures 17.3" W × 16.4" D × 1.72" H and occupies 1U of rack space.
Typical power consumption is 260 W under full load, with a maximum draw of 300 W.
Yes. The power supply and fan modules are hot-swappable, enabling zero-downtime maintenance.
Absolutely. You can install an optional second AC PSU for N+1 power redundancy and improved uptime.
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