What power supply options and redundancy does the S4148F-ON support?

It supports two hot-swappable PSU to I/O modules (1+1 redundancy) with 1100 W or 1600 W options for continuous uptime.

What warranty and service plan is included?

Includes a 3-year, 4-hour onsite hardware repair service with proactive parts replacement and access to Dell ProSupport resources.

Which data center architectures suit the S4148F-ON?

Ideal for leaf-spine fabrics, virtualization clusters, high-performance computing and multi-tenant environments requiring low latency and high throughput.

What management and automation interfaces are available?

Manage via CLI (SSH/console), SNMP v3, RESTful APIs, Redfish and integrate with automation tools like Ansible and Dell EMC OpenManage.

Does the S4148F-ON support stacking or MLAG?

Supports MLAG (Multi-Chassis Link Aggregation) over fabric without proprietary stack cables, enabling active-active uplinks and seamless scaling.

What latency can be expected from this switch?

Delivers ultra-low latency around 600 ns at line rate, suitable for latency-sensitive applications like financial trading and HPC.

What security features are built into the S4148F-ON?

Provides 802.1X port authentication, ACLs, DHCP snooping, IP source guard, and hardware-based MACsec encryption (with compatible modules).

How energy efficient is the S4148F-ON?

Typical power consumption is under 200 W; features include low-power PHY-less design, intelligent fan curves, and PSU power-factor correction.

Which optical and DAC modules are compatible?

Compatible with Dell Networking SFP+ transceivers (10G), QSFP28 100G/40G modules and passive/active DAC cables for flexible connectivity.

What VLAN and QoS capabilities does the S4148F-ON support?

Supports up to 4K VLANs, advanced QoS with eight priority queues per port, traffic shaping, policing and WRED for granular traffic control.

What rack and mounting options are available?

Ships with adjustable 1U rack-mount brackets and cable management arm, compatible with 19-inch EIA-compliant racks.

Can I upgrade firmware and OS on the switch remotely?

Yes. Remote firmware and OS upgrades are supported via network boot (TFTP/FTP/HTTP), iDRAC integration or onboard USB port for maintenance windows.

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S4148F

Name: Dell Networking S4148F-ON, 1U, PHY-less, 48 x 10GbE SFP+, 4xQSFP28 2xQSFP+, PSU to IO, 2 PSU, OS10, 3 years* 4h service_x005F_x000D_
Brand: Dell
SKU: S4148F
Rating: 4.2 (5 reviews)

Description:: Dell Networking S4148F-ON, 1U, PHY-less, 48 x 10GbE SFP+, 4xQSFP28 2xQSFP+, PSU to IO, 2 PSU, OS10, 3 years* 4h service_x005F_x000D_
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S4148F

Dell Networking S4148F-ON, 1U, PHY-less, 48 x 10GbE SFP+, 4x...

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S4148F Overview

S4148F is a high-performance data center switch engineered with a robust architecture that delivers exceptional throughput and low latency for enterprise networking. Designed with versatile power options including redundant and AC power supply, the S4148F supports scalable stacking, multiple port configurations, and optimized switching capacity that meets the demands of rapidly growing network environments.

S4148F features a comprehensive set of ports, including 48 Ethernet downlink ports and 4 dedicated SFP uplink ports, ensuring maximum connectivity and flexibility. With industry-leading performance tailored for critical use cases such as data centers, campus networks, and high-density environments, this managed, Layer 2 switch provides a reliable solution for modern network infrastructures.

S4148F price is is available on request. Get immediate quote.

Request bulk order quote for S4148F for additional pricing. Browse the full Dell Networking S4100-On Switches series or explore all Dell products.

S4148F Specifications

Product Type: Switch
Power Source: Redundant Power Supply / AC Power Supply
Layer Supported: Layer 2
Form Factor: Rack-mount
Power Consumption: 200 W
Number of Ethernet Ports: 24–48 Ports
Number of Downlink Ports: 48 Ports
Manageable: Managed
Ethernet Technology: 10/100/1000
Media Type Supported: Twisted Pair / Fiber / Combo
Redundant Power Supply Supported: Yes
Manufacturer Part Number: S4148F
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: 48 Ethernet ports with 4 dedicated SFP uplink ports
Flash Memory: 64 MB
Switching Capacity: 320 Gbps
Switching Capacity with Stacking: 640 Gbps
Product Name: S4148F High-Performance Data Center Switch
Height: 1.75 inches
Width: 17 inches
Depth: 28 inches
Weight: 20 lbs

S4148F Use Case

High-Performance Leaf-Spine Fabric for Virtualized Data Centers with S4148F-Dell Networking S4148F-ON

In a large-scale VMware and Kubernetes environment, enterprises deploy the S4148F-Dell Networking S4148F-ON (1U, PHY-less, 48×10GbE SFP+, 4×QSFP28, 2×QSFP+, OS10, 2×PSU, 3-year 4h service) as leaf switches aggregating east-west traffic. This use case delivers sub-microsecond latency and non-blocking throughput across hundreds of VMs, simplifies network automation with OS10 Open Networking tools, and ensures 99.99% uptime backed by rapid 4-hour hardware support.

Ultra-Low-Latency Trading Network for Financial Services using S4148F-Dell Networking S4148F-ON

A global financial firm integrates the S4148F-Dell Networking S4148F-ON (48×10GbE SFP+, 4×QSFP28, 2×QSFP+, PHY-less, OS10, 2 PSU, 3-year 4h support) as its core switch in a matching engine cluster. By leveraging OS10’s deterministic packet forwarding and the switch’s optimized silicon, the network achieves sub-microsecond hop latency, ensures order-book integrity, and reduces trade execution times by up to 30 %. The included 4-hour service guarantee maintains continuous market access.

Cloud Service Provider Multi-Tenant Edge Aggregation with S4148F-Dell Networking S4148F-ON

A Tier 1 cloud provider uses the S4148F-Dell Networking S4148F-ON (1U, PHY-less, 48×10GbE SFP+, 4×QSFP28, 2×QSFP+, OS10, redundant PSUs, 3-year 4h service) to aggregate hundreds of customer 10 GbE circuits at the POP. Leveraging OS10 virtual tenant overlays and segment routing, the switch delivers secure, isolated connectivity, dynamic bandwidth scaling up to 200 Gbps per uplink, and automated provisioning. This approach maximizes port density, cuts network provisioning time by 60 %, and guarantees SLA compliance with rapid on-site support.

Quality Certifications

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

Product Comparison Table

	S4148F	S4128T-ON	S4112F-ON	S4112T-ON	S4148T-ON
Depth	28 inches	18 inches	N/A	14 inches	18 inches
Ethernet Technology	10/100/1000	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Flash Memory	64 MB	64 MB	64 MB	64 MB	64 MB
Form Factor	Rack-mount	Rack-mount	Rack-mount	Rack-mount	Rack-mount
Height	1.75 inches	1.75 inches	N/A	1.75 inches	1 inches
IOS	LAN Base	IP Services	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 2 / Layer 3	Layer 2 / Layer 3	Layer 2 / Layer 3	Layer 2
Manageable	Managed	Managed	Managed	Managed	Managed
Manufacturer Part Number	S4148F	S4128T-ON	S4112F-ON	S4112T-ON	S4148T-ON
Media Type Supported	Twisted Pair / Fiber / Combo	Twisted Pair	Twisted Pair / Fiber / Combo	Twisted Pair	Combo
Memory	256 MB	256 MB	256 MB	256 MB	256 MB
Number of Downlink Ports	48 Ports	48 Ports	12–24 Ports	12 Ports	48 Ports
Number of Ethernet Ports	24–48 Ports	24–48 Ports	12–24 Ports	12–24 Ports	24–48 Ports
POE Support	Non POE	Non POE	Non POE	Non POE	Non POE
Port/Expansion Slot Details	48 Ethernet ports with 4 dedicated SFP uplink ports	N/A	N/A	N/A	48 Ethernet ports with 4 SFP uplink slots
Power Consumption	200 W	N/A	N/A	N/A	150 W
Power Source	Redundant Power Supply / AC Power Supply	AC Power Supply	Redundant Power Supply / AC Power Supply	AC Power Supply	Redundant Power Supply / AC Power Supply
Product Name	S4148F High-Performance Data Center Switch	Edgecore Networks S4128T-ON 48-Port 10G Rack-Mount Switch	S4112F-ON High Performance Modular Switch	S4112T-ON Managed Stackable Switch	S4148T-ON
Product Type	Switch	Switch	Switch	Switch	Switch
Rack Units	1 RU	1 RU	1 RU	1 RU	1 RU
Redundant Power Supply Supported	Yes	No	Yes	No	Yes
SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports
Switching Capacity	320 Gbps	176 Gbps	N/A	64 Gbps	256 Gbps
Switching Capacity with Stacking	640 Gbps	352 Gbps	N/A	128 Gbps	512 Gbps
Uplink Configuration	10G	10G	1G / 10G / 40G	1G	10G
Weight	20 lbs	15 lbs	N/A	15 lbs	15 lbs
Width	17 inches	17.5 inches	N/A	17.5 inches	17 inches

Reviews & Ratings

Colm Brennan

High density 10GbE with powerful uplinks works flawlessly.

Arslan Jatoi

OS10 stability has been excellent.

Andreas Muller

Perfect for spine leaf architectures.

Daniel Foster

Consistent performance under heavy load.

Umair Siddiqui

Enterprise grade reliability.

Questions & Answers

What port density and speeds does the Dell Networking S4148F-ON provide?

The S4148F-ON delivers 48 10GbE SFP+ ports and 4 QSFP28 (40/100GbE) plus 2 QSFP+ (40GbE) uplink ports in a 1U form factor for high-density data center connectivity.

What does “PHY-less” design mean on the S4148F-ON?

PHY-less means the switch omits onboard physical-layer transceivers, reducing power and heat; it relies on external SFP+ or DAC modules for optical or copper connectivity.

What is the switching capacity and forwarding rate of the S4148F-ON?

It delivers 1.6 Tbps of switching capacity and up to 1.2 Bpps forwarding rate, ensuring wire-speed L2/L3 performance for demanding workloads.

Which network operating system runs on this switch?

The S4148F-ON runs Dell Networking OS10 Enterprise Edition, offering full-featured L2/L3 routing, automation with Python/Ansible, and containerized services.

Related Searches Dell Networking S4100-On Switches

S4128F S4148T-ON S4112F-ON S4128T-ON S4112T-ON S3048-ON N4032F N3024ET-ON

S4148F Overview

S4148F price is is available on request. Get immediate quote.

Request bulk order quote for S4148F for additional pricing. Browse the full Dell Networking S4100-On Switches series or explore all Dell products.

S4148F Specifications

Product Type

Switch

Power Source

Redundant Power Supply / AC Power Supply

Layer Supported

Layer 2

Form Factor

Rack-mount

Power Consumption

200 W

Number of Ethernet Ports

24–48 Ports

Number of Downlink Ports

48 Ports

Manageable

Managed

Ethernet Technology

10/100/1000

Media Type Supported

Twisted Pair / Fiber / Combo

Redundant Power Supply Supported

Yes

Manufacturer Part Number

S4148F

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

48 Ethernet ports with 4 dedicated SFP uplink ports

Flash Memory

64 MB

Switching Capacity

320 Gbps

Switching Capacity with Stacking

640 Gbps

Product Name

S4148F High-Performance Data Center Switch

Height

1.75 inches

Width

17 inches

Depth

28 inches

Weight

20 lbs

S4148F Use Case

High-Performance Leaf-Spine Fabric for Virtualized Data Centers with S4148F-Dell Networking S4148F-ON

Ultra-Low-Latency Trading Network for Financial Services using S4148F-Dell Networking S4148F-ON

Cloud Service Provider Multi-Tenant Edge Aggregation with S4148F-Dell Networking S4148F-ON

Product Comparison Table

	S4148F	S4128T-ON	S4112F-ON	S4112T-ON	S4148T-ON
Depth	28 inches	18 inches	N/A	14 inches	18 inches
Ethernet Technology	10/100/1000	10/100/1000	10/100/1000	10/100/1000	10/100/1000
Flash Memory	64 MB	64 MB	64 MB	64 MB	64 MB
Form Factor	Rack-mount	Rack-mount	Rack-mount	Rack-mount	Rack-mount
Height	1.75 inches	1.75 inches	N/A	1.75 inches	1 inches
IOS	LAN Base	IP Services	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 2 / Layer 3	Layer 2 / Layer 3	Layer 2 / Layer 3	Layer 2
Manageable	Managed	Managed	Managed	Managed	Managed
Manufacturer Part Number	S4148F	S4128T-ON	S4112F-ON	S4112T-ON	S4148T-ON
Media Type Supported	Twisted Pair / Fiber / Combo	Twisted Pair	Twisted Pair / Fiber / Combo	Twisted Pair	Combo
Memory	256 MB	256 MB	256 MB	256 MB	256 MB
Number of Downlink Ports	48 Ports	48 Ports	12–24 Ports	12 Ports	48 Ports
Number of Ethernet Ports	24–48 Ports	24–48 Ports	12–24 Ports	12–24 Ports	24–48 Ports
POE Support	Non POE	Non POE	Non POE	Non POE	Non POE
Port/Expansion Slot Details	48 Ethernet ports with 4 dedicated SFP uplink ports	N/A	N/A	N/A	48 Ethernet ports with 4 SFP uplink slots
Power Consumption	200 W	N/A	N/A	N/A	150 W
Power Source	Redundant Power Supply / AC Power Supply	AC Power Supply	Redundant Power Supply / AC Power Supply	AC Power Supply	Redundant Power Supply / AC Power Supply
Product Name	S4148F High-Performance Data Center Switch	Edgecore Networks S4128T-ON 48-Port 10G Rack-Mount Switch	S4112F-ON High Performance Modular Switch	S4112T-ON Managed Stackable Switch	S4148T-ON
Product Type	Switch	Switch	Switch	Switch	Switch
Rack Units	1 RU	1 RU	1 RU	1 RU	1 RU
Redundant Power Supply Supported	Yes	No	Yes	No	Yes
SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports	4 SFP Ports
Switching Capacity	320 Gbps	176 Gbps	N/A	64 Gbps	256 Gbps
Switching Capacity with Stacking	640 Gbps	352 Gbps	N/A	128 Gbps	512 Gbps
Uplink Configuration	10G	10G	1G / 10G / 40G	1G	10G
Weight	20 lbs	15 lbs	N/A	15 lbs	15 lbs
Width	17 inches	17.5 inches	N/A	17.5 inches	17 inches

Questions & Answers

What port density and speeds does the Dell Networking S4148F-ON provide?

The S4148F-ON delivers 48 10GbE SFP+ ports and 4 QSFP28 (40/100GbE) plus 2 QSFP+ (40GbE) uplink ports in a 1U form factor for high-density data center connectivity.

What does “PHY-less” design mean on the S4148F-ON?

PHY-less means the switch omits onboard physical-layer transceivers, reducing power and heat; it relies on external SFP+ or DAC modules for optical or copper connectivity.

What is the switching capacity and forwarding rate of the S4148F-ON?

It delivers 1.6 Tbps of switching capacity and up to 1.2 Bpps forwarding rate, ensuring wire-speed L2/L3 performance for demanding workloads.

Which network operating system runs on this switch?

The S4148F-ON runs Dell Networking OS10 Enterprise Edition, offering full-featured L2/L3 routing, automation with Python/Ansible, and containerized services.