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S4148F
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- 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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3 Year Extended Warranty
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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.
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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
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| Depth | 28 inches | N/A | 14 inches | 18 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 | N/A | 1.75 inches | 1.75 inches | 1 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Base | IP Services | LAN Base | IP Services | IP Services |
| 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 | S4112F-ON | S4112T-ON | S4128T-ON | S4148T-ON |
| Media Type Supported | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair | Twisted Pair | Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 12–24 Ports | 12 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 24–48 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 | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | S4148F High-Performance Data Center Switch | S4112F-ON High Performance Modular Switch | S4112T-ON Managed Stackable Switch | Edgecore Networks S4128T-ON 48-Port 10G Rack-Mount 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 | Yes | No | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 320 Gbps | N/A | 64 Gbps | 176 Gbps | 256 Gbps |
| Switching Capacity with Stacking | 640 Gbps | N/A | 128 Gbps | 352 Gbps | 512 Gbps |
| Uplink Configuration | 10G | 1G / 10G / 40G | 1G | 10G | 10G |
| Weight | 20 lbs | N/A | 15 lbs | 15 lbs | 15 lbs |
| Width | 17 inches | N/A | 17.5 inches | 17.5 inches | 17 inches |
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Questions & Answers
Q
What port density and speeds does the Dell Networking S4148F-ON provide?
A
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.
Q
What does “PHY-less” design mean on the S4148F-ON?
A
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.
Q
What is the switching capacity and forwarding rate of the S4148F-ON?
A
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.
Q
Which network operating system runs on this switch?
A
The S4148F-ON runs Dell Networking OS10 Enterprise Edition, offering full-featured L2/L3 routing, automation with Python/Ansible, and containerized services.
Q
What power supply options and redundancy does the S4148F-ON support?
A
It supports two hot-swappable PSU to I/O modules (1+1 redundancy) with 1100 W or 1600 W options for continuous uptime.
Q
What warranty and service plan is included?
A
Includes a 3-year, 4-hour onsite hardware repair service with proactive parts replacement and access to Dell ProSupport resources.
Q
Which data center architectures suit the S4148F-ON?
A
Ideal for leaf-spine fabrics, virtualization clusters, high-performance computing and multi-tenant environments requiring low latency and high throughput.
Q
What management and automation interfaces are available?
A
Manage via CLI (SSH/console), SNMP v3, RESTful APIs, Redfish and integrate with automation tools like Ansible and Dell EMC OpenManage.
Q
Does the S4148F-ON support stacking or MLAG?
A
Supports MLAG (Multi-Chassis Link Aggregation) over fabric without proprietary stack cables, enabling active-active uplinks and seamless scaling.
Q
What latency can be expected from this switch?
A
Delivers ultra-low latency around 600 ns at line rate, suitable for latency-sensitive applications like financial trading and HPC.
Q
What security features are built into the S4148F-ON?
A
Provides 802.1X port authentication, ACLs, DHCP snooping, IP source guard, and hardware-based MACsec encryption (with compatible modules).
Q
How energy efficient is the S4148F-ON?
A
Typical power consumption is under 200 W; features include low-power PHY-less design, intelligent fan curves, and PSU power-factor correction.
Q
Which optical and DAC modules are compatible?
A
Compatible with Dell Networking SFP+ transceivers (10G), QSFP28 100G/40G modules and passive/active DAC cables for flexible connectivity.
Q
What VLAN and QoS capabilities does the S4148F-ON support?
A
Supports up to 4K VLANs, advanced QoS with eight priority queues per port, traffic shaping, policing and WRED for granular traffic control.
Q
What rack and mounting options are available?
A
Ships with adjustable 1U rack-mount brackets and cable management arm, compatible with 19-inch EIA-compliant racks.
Q
Can I upgrade firmware and OS on the switch remotely?
A
Yes. Remote firmware and OS upgrades are supported via network boot (TFTP/FTP/HTTP), iDRAC integration or onboard USB port for maintenance windows.
