What power supply configuration is included?

It ships with a single AC power supply (PSU) and supports redundant PSU upgrades for high availability.

What does the 1 Year NBD support cover?

The 1 Year NBD (Next Business Day) service provides on-site hardware replacement and proactive support within one business day.

What is the switching capacity and throughput of the S4048-ON?

The switch offers 1.44 Tbps of switching capacity with up to 1.08 Bpps forwarding performance.

Is the S4048-ON suitable for leaf-and-spine architectures?

Yes. With its 48 10GbE and 6 40GbE ports, the S4048-ON is optimized for leaf-and-spine deployments in modern data centers.

Can I stack multiple Dell S4048-ON switches?

No. The S4048-ON does not support physical stacking; it relies on Virtual Link Trunking and MLAG for redundancy.

What management interfaces are supported?

Management is via a dedicated RJ45 out-of-band Ethernet port, USB console port, and serial console port.

Which transceiver modules are compatible with the SFP+ ports?

The SFP+ ports support a wide range of Dell-certified 10GbE SFP+ DAC/active optical and SR/LR transceivers.

What advanced features does DNOS9 provide?

DNOS9 delivers EVPN-VXLAN, ACI Multi-Pod support, dynamic routing protocols and comprehensive QoS capabilities.

What are the physical dimensions and rack height?

The switch measures 17.3" W × 16.4" D × 1.72" H and occupies 1U of rack space.

What is the typical power consumption?

Typical power consumption is 260 W under full load, with a maximum draw of 300 W.

Does the S4048-ON support hot-swappable components?

Yes. The power supply and fan modules are hot-swappable, enabling zero-downtime maintenance.

Can I upgrade to dual power supplies for redundancy?

Absolutely. You can install an optional second AC PSU for N+1 power redundancy and improved uptime.

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S4048 1 Year NBD

Name: Dell Networking S4048-ON, 48x 10GbE SFP+ , 6x 40GbE QSFP+ , I/O Panel to PSU Airflow, 1x AC PSUs, DNOS9，1 year NBD
Brand: Dell
SKU: S4048 1 Year NBD
Rating: 4.2 (5 reviews)

Description:: Dell Networking S4048-ON, 48x 10GbE SFP+ , 6x 40GbE QSFP+ , I/O Panel to PSU Airflow, 1x AC PSUs, DNOS9，1 year NBD
Rating:: 4.2(5)
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S4048 1 Year NBD Overview

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.

S4048 1 Year NBD Specifications

Product Type: Switch
Power Source: Redundant Power Supply / AC Power Supply
Layer Supported: Layer 2
Form Factor: Rack-mount
Power Consumption: 150 W
Number of Ethernet Ports: 24–48 Ports
Number of Downlink Ports: 8 Ports
Manageable: Managed
Ethernet Technology: 10/100/1000
Media Type Supported: Twisted Pair / Fiber
Redundant Power Supply Supported: Yes
Manufacturer Part Number: S4048 1 Year NBD
Uplink Configuration: 10G
IOS: LAN Lite
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: 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 10G SFP+ uplink ports
Flash Memory: 64 MB
Switching Capacity: 256 Gbps
Switching Capacity with Stacking: 512 Gbps
Product Name: S4048 1 Year NBD Switch
Height: 1.75 inches
Width: 17.5 inches
Depth: 12 inches
Weight: 15 lbs

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	S4048 1 Year NBD	S4048-ON	S4048 3 Years * 4h	S4048T-ON
Depth	12 inches	12 inches	N/A	17 inches
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
Height	1.75 inches	1.75 inches	N/A	1.75 inches
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
Port/Expansion Slot Details	48 fixed 10/100/1000 Ethernet ports and 4 dedicated 10G SFP+ uplink ports	N/A	N/A	48×10/100/1000 RJ45 ports, 4×10G SFP+ uplink ports
Power Consumption	150 W	N/A	N/A	N/A
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
Switching Capacity with Stacking	512 Gbps	N/A	256 Gbps	352 Gbps
Uplink Configuration	10G	10G	10G	10G
Weight	15 lbs	18 lbs	N/A	23 lbs
Width	17.5 inches	17.5 inches	N/A	19 inches

Reviews & Ratings

Gregory Walsh

Same strong performance with standard support coverage.

Shafiq Ur Rehman

Reliable 10GbE switching for servers.

Nico Vermeer

Stable OS9 operation.

Oliver Stone

Good core switch for medium data centers.

Salim Akhtar

No operational issues observed.

Questions & Answers

What is the Dell Networking S4048-ON with 1 Year NBD service?

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.

How many ports and what types are available on the S4048-ON?

The S4048-ON provides 48 10GbE SFP+ ports and 6 40GbE QSFP+ ports for high-density 10/40GbE connectivity.

Which network operating system does the S4048-ON run?

This switch runs Dell Networking OS 9 (DNOS9), delivering modularity, programmability and advanced Layer 2/3 features.

What is the airflow direction on the Dell S4048-ON?

The Dell S4048-ON uses front-to-rear I/O-to-PSU airflow, optimizing cooling in hot-aisle/cold-aisle data centers.

Related Searches Dell Networking S4048-On Switches

S4048 3 Years * 4h S4048-ON S4048T-ON S3048-ON N4064 N3048 N4032F N1548P

S4048 1 Year NBD Overview

S4048 1 Year NBD price is is available on request. Get immediate quote.

S4048 1 Year NBD Specifications

Product Type

Switch

Power Source

Redundant Power Supply / AC Power Supply

Layer Supported

Layer 2

Form Factor

Rack-mount

Power Consumption

150 W

Number of Ethernet Ports

24–48 Ports

Number of Downlink Ports

8 Ports

Manageable

Managed

Ethernet Technology

10/100/1000

Media Type Supported

Twisted Pair / Fiber

Redundant Power Supply Supported

Yes

Manufacturer Part Number

S4048 1 Year NBD

Uplink Configuration

10G

IOS

LAN Lite

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

48 fixed 10/100/1000 Ethernet ports and 4 dedicated 10G SFP+ uplink ports

Flash Memory

64 MB

Switching Capacity

256 Gbps

Switching Capacity with Stacking

512 Gbps

Product Name

S4048 1 Year NBD Switch

Height

1.75 inches

Width

17.5 inches

Depth

12 inches

Weight

15 lbs

Product Comparison Table

	S4048 1 Year NBD	S4048-ON	S4048 3 Years * 4h	S4048T-ON
Depth	12 inches	12 inches	N/A	17 inches
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
Height	1.75 inches	1.75 inches	N/A	1.75 inches
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
Port/Expansion Slot Details	48 fixed 10/100/1000 Ethernet ports and 4 dedicated 10G SFP+ uplink ports	N/A	N/A	48×10/100/1000 RJ45 ports, 4×10G SFP+ uplink ports
Power Consumption	150 W	N/A	N/A	N/A
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
Switching Capacity with Stacking	512 Gbps	N/A	256 Gbps	352 Gbps
Uplink Configuration	10G	10G	10G	10G
Weight	15 lbs	18 lbs	N/A	23 lbs
Width	17.5 inches	17.5 inches	N/A	19 inches

Questions & Answers

What is the Dell Networking S4048-ON with 1 Year NBD service?

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.

How many ports and what types are available on the S4048-ON?

The S4048-ON provides 48 10GbE SFP+ ports and 6 40GbE QSFP+ ports for high-density 10/40GbE connectivity.

Which network operating system does the S4048-ON run?

This switch runs Dell Networking OS 9 (DNOS9), delivering modularity, programmability and advanced Layer 2/3 features.

What is the airflow direction on the Dell S4048-ON?

The Dell S4048-ON uses front-to-rear I/O-to-PSU airflow, optimizing cooling in hot-aisle/cold-aisle data centers.