210-ALSI - Dell EMC PowerSwitch S4148F-ON 48-Port Switch

Dell EMC S4148F-ON 1U ToR switch: 48x10GbE SFP+, 2x40GbE QSFP+, 4x100GbE QSFP28 ports, L2/L3 managed, OS10, dual AC PSU, ONIE support.

The Dell EMC PowerSwitch S4148F-ON (MPN 210-ALSI) is a high-performance, 1U rack-mountable open networking switch built for modern data centers and enterprise environments. It provides 48x 10GbE SFP+ ports, 2x 40GbE QSFP+ ports, and 4x 100GbE QSFP28 ports, delivering a non-blocking 1.76Tbps switching fabric with cut-through, line-rate performance. Designed as part of Dell's Open Networking (ON) portfolio, it ships with ONIE (Open Network Install Environment), enabling zero-touch installation of Dell SmartFabric OS10 or select third-party network operating systems. The switch supports Layer 2/3 switching and routing, VXLAN gateway functionality, and Data Center Bridging (DCB) for converged storage and compute traffic. With dual redundant, hot-swappable AC power supplies and hot-swappable fan modules, it is engineered for high availability in top-of-rack (ToR) deployments, HPC clusters, and software-defined data centers.

• Manufacturer: Dell EMC
• Product Family: PowerSwitch S-Series (S4100-ON)
• Model: S4148F-ON
• Product Type: 1U Rack-Mountable Managed Ethernet Switch
• Switch Layer: L2/L3 Managed
• Ports: 48x 10GbE SFP+, 2x 40GbE QSFP+, 4x 100GbE QSFP28
• Console Port: RJ-45/Micro-USB
• USB Ports: 1x USB 2.0
• Switching Capacity: 1.76 Tbps (1760 Gbit/s), non-blocking full duplex
• Forwarding Rate: 1320 Mpps
• MAC Address Table: 272,000 entries
• Operating System: Dell SmartFabric OS10 (via ONIE; supports select 3rd-party NOS)
• Power Supply: 2x AC PSU, hot-swappable, redundant
• Power Consumption: 370W
• Input Power: 100-240 VAC, 50/60 Hz
• PoE Support: Not supported
• Cooling: 4x hot-swappable fan modules
• Airflow Options: I/O panel to PSU or PSU to I/O panel
• Dimensions: 1.8" H x 17" W x 18" D
• Weight: Approx. 20.15 lb
• Operating Humidity: 10% to 85% RH, non-condensing
• Networking Standards: IEEE 802.3
• Certifications: EN 300 386, EN 55024, EN 61000 series; TAA-compliant variants available
• Warranty: 1-year premium next business day hardware support (varies by reseller)

• 48x 10GbE SFP+ ports for dense server and storage connectivity
• 2x 40GbE QSFP+ and 4x 100GbE QSFP28 uplink ports for high-bandwidth aggregation
• Non-blocking 1.76Tbps switching fabric with cut-through, line-rate performance
• ONIE support for zero-touch installation of OS10 or third-party NOS
• Dell SmartFabric OS10 supports advanced L2/L3 switching and routing protocols
• VXLAN gateway functionality for network virtualization overlays
• Data Center Bridging (DCB) support for converged Ethernet/storage traffic
• Redundant, hot-swappable AC power supplies for high availability
• Hot-swappable fan modules with flexible airflow direction
• Precision Time Protocol (PTP, IEEE 1588v2) support for clock synchronization
• Compact 1U form factor optimized for top-of-rack deployment
• Standards-based Switch Abstraction Interface (SAI) for open networking flexibility

Designed for high-density top-of-rack switching in modern data center and enterprise network environments.

• Top-of-rack (ToR) switching in enterprise and cloud data centers
• High-performance computing (HPC) clusters requiring low-latency, high-bandwidth links
• Software-defined data center deployments with open networking OS flexibility
• iSCSI and converged storage area networks using DCB
• Virtualized server environments requiring VXLAN overlay networking
• Aggregation of 10GbE server connections with 40/100GbE uplinks
• Enterprise campus or branch core/distribution layer switching

• High port density in compact 1U footprint
• Non-blocking fabric ensures line-rate performance
• Open networking flexibility via ONIE
• Redundant power and cooling for uptime
• Scalable 10/40/100GbE connectivity options
• Simplified management with OS10 automation

• Form Factor: 1U Rack-Mountable
• Dimensions: 1.8" H x 17" W x 18" D
• Weight: Approx. 20.15 lb
• Airflow: I/O to PSU or PSU to I/O configurable

Per available documentation, this product is validated for:

• Dell SmartFabric OS10 Enterprise Edition
• ONIE-based third-party network operating systems
• 40GbE QSFP+ to QSFP+ active optical and passive DAC cables
• 100GbE QSFP28 to QSFP28 active optical and passive DAC cables
• 100GbE to 4x25GbE QSFP28-to-SFP28 breakout DAC cables
• 40GbE to 4x10GbE QSFP+-to-SFP+ breakout DAC cables
• Dell PowerSwitch S4100-ON series rack rail kits
• VXLAN and BGP EVPN network fabric configurations

Note: Transceivers and cables are not included by default and must be ordered separately; compatibility list based on Dell S4100-ON series documentation.

• Dell EMC PowerSwitch S4148F-ON switch unit
• Rack mounting rails
• Power cable(s) (region dependent)
• Documentation/quick start guide

Q: What is the Dell 210-ALSI part number?

A: 210-ALSI is the Dell manufacturer part number for the Dell EMC PowerSwitch S4148F-ON, a 1U managed Ethernet switch with 48x10GbE SFP+, 2x40GbE QSFP+, and 4x100GbE QSFP28 ports.

Q: Does the S4148F-ON (210-ALSI) support PoE?

A: No. This switch model does not support Power over Ethernet (PoE) capabilities.

Q: What operating system does the 210-ALSI switch run?

A: It uses ONIE for zero-touch installation of Dell SmartFabric OS10, and can alternatively run select third-party network operating systems.

Q: What is the switching capacity of the S4148F-ON?

A: The switch provides a non-blocking, cut-through switching fabric with 1.76 Tbps (1760 Gbit/s) full-duplex capacity and a forwarding rate of 1320 Mpps.

Q: Are transceivers included with the 210-ALSI switch?

A: No, transceivers and DAC/optical cables are sold separately and are not included in the base package.

Q: What are the power supply and consumption specifications?

A: The switch uses two redundant, hot-swappable AC power supplies, operates on 100-240 VAC at 50/60 Hz, and has a power consumption of approximately 370W.

Q: What are the physical dimensions and weight of the S4148F-ON?

A: The switch measures 1.8 inches high, 17 inches wide, and 18 inches deep, and weighs approximately 20.15 lb.

Q: What use cases is the Dell 210-ALSI switch designed for?

A: It is designed for top-of-rack switching in data centers, high-performance computing clusters, software-defined networking, and converged storage/compute environments using VXLAN and DCB.