210-ALTF - Dell PowerSwitch S4128F-ON 28-Port 10GbE Switch

Dell EMC PowerSwitch S4128F-ON managed L2/L3 switch with 28x 10GbE SFP+ and 2x 100GbE QSFP28 ports, 960Gbps switching capacity, ONIE support.

The Dell 210-ALTF is the manufacturer part number for the Dell EMC PowerSwitch S4128F-ON, a 1U rack-mountable top-of-rack (ToR) switch belonging to the S4100-ON Series. It is a fixed form-factor, PHY-less design offering 28 ports of 10GbE SFP+ connectivity plus 2 ports of 100GbE QSFP28 uplinks, intended for high-density, high-bandwidth data center and enterprise network deployments. The switch supports Open Networking Install Environment (ONIE), enabling zero-touch installation of Dell's SmartFabric OS10 or select third-party network operating systems. Built for Layer 2 and Layer 3 switching, it delivers non-blocking, cut-through performance suitable for cloud, virtualization, and high-performance computing environments. Redundant hot-swappable power supplies and fans, along with selectable airflow direction (I/O-to-PSU or PSU-to-I/O), support hot/cold aisle data center designs and continuous operation.

• Manufacturer: Dell EMC / Dell Technologies
• Product Family: PowerSwitch S-Series
• Product Series: S4100-ON Series
• Model: S4128F-ON
• Product Type: Managed Layer 2/Layer 3 Network Switch (Open Networking / ONIE)
• Port Configuration: 28 x 10GbE SFP+ ports + 2 x 100GbE QSFP28 ports
• Switching Capacity: Approximately 960 Gbps full-duplex
• Forwarding Rate: Up to approximately 720 Mpps
• MAC Address Table Size: Up to 272,000 entries
• Layer Support: L2/L3 with IPv4/IPv6 routing, OSPF, BGP-4, VRF
• IPv4/IPv6 Routing Table: Up to 200,000 IPv4 routes, up to 64,000-200,000 IPv6 routes, up to 130,000 IPv6 hosts
• Form Factor: 1U rack-mountable
• Operating System: Dell SmartFabric OS10 (ONIE-based, supports select third-party NOS)
• Management Ports: 1 RJ45 console/management port (RS232), 1 RJ45 micro-USB-B console port, 1 RJ45 10/100/1000Base-T management Ethernet port
• Power Supply: 2 x redundant, hot-swappable AC PSUs, 100-240 VAC 50/60 Hz
• Fans: 4 x hot-swappable fan modules
• Airflow Options: I/O panel to PSU or PSU to I/O panel airflow
• Operating Temperature: 0°C to 40°C (approx.; some sources cite 5°C to 40°C)
• Storage Temperature: -40°C to 65°C
• Operating Humidity: Approximately 10% to 85% RH, non-condensing
• Certifications: RoHS, UL 60950-1, EN 55024, EN 61000 series EMC standards
• Dimensions (W x D x H): Approximately 431 mm x 457 mm x 44 mm (17 in x 18 in x 1.7 in)
• Weight: Approximately 8.9 kg
• Warranty: Varies by seller; typically 1-3 years (Dell Premier Support / reseller warranty)

• 28 ports of 10GbE SFP+ connectivity for server and network access
• 2 ports of 100GbE QSFP28 for high-speed uplinks
• Non-blocking, cut-through switching fabric with 960 Gbps capacity
• Full Layer 2 and Layer 3 switching and routing support
• ONIE support for zero-touch installation of alternative network operating systems
• Dell SmartFabric OS10 support for unified data center operations
• Redundant, hot-swappable power supplies and fan modules
• Selectable airflow direction for hot/cold aisle data center layouts
• Compact 1U rack-mountable form factor
• Supports VXLAN overlay networking and virtualization-aware features
• Precision Time Protocol (PTP, IEEE 1588v2) support
• Large MAC address table (up to 272,000 entries) for dense environments

Designed for top-of-rack deployment in data center and enterprise networking environments.

• Top-of-rack (ToR) switching for enterprise data centers
• High-bandwidth server connectivity in virtualized environments
• Cloud and multi-tenant data center networking
• High-performance computing (HPC) cluster interconnects
• Software-defined data center (SDDC) deployments using open networking OS
• Video streaming and big data analytics infrastructure
• Campus and mid-market network core/aggregation layers

• High-density 10GbE connectivity in a compact 1U chassis
• Flexible OS choice via ONIE open networking support
• Redundant power and cooling for high availability
• Scalable L2/L3 routing for growing networks
• Fast 100GbE uplinks for aggregation and core links
• Low-latency, non-blocking switching performance

• Form Factor: 1U rack-mountable
• Dimensions (W x D x H): Approximately 431 mm x 457 mm x 44 mm
• Weight: Approximately 8.9 kg
• Power Supplies: 2 x redundant hot-swappable AC PSUs (commonly 550W)
• Fans: 4 x hot-swappable fan modules

Per available documentation, this switch is part of and compatible with the following Dell S4100-ON Series ecosystem:

• Dell SmartFabric OS10 Enterprise Edition software
• Open Network Install Environment (ONIE) compliant third-party network operating systems
• Dell PowerSwitch S4100-ON Series rail/bracket/tray kits
• SFP+ 10GbE transceiver modules
• QSFP28 100GbE transceiver/cable modules
• Dell EMC S-Series S4148F-ON and S4148FE-ON (shared installation and rack documentation)
• Standard 19-inch equipment racks/cabinets

Note: Compatibility details are based on the shared S4100-ON Series installation and spec documentation; specific transceiver and cable compatibility should be verified against Dell's current I/O compatibility matrix.

• Dell EMC PowerSwitch S4128F-ON switch unit
• Two AC power supply units (as configured)
• Rack mounting brackets/rail kit (model dependent)
• Luggage tag with switch ID information

Q: What product does the Dell MPN 210-ALTF correspond to?

A: 210-ALTF is Dell's manufacturer part number for the PowerSwitch S4128F-ON, a 28-port 10GbE managed switch in the S4100-ON Series.

Q: How many ports does the 210-ALTF switch have?

A: It has 28 x 10GbE SFP+ ports and 2 x 100GbE QSFP28 uplink ports, as confirmed by Dell's installation guide and multiple reseller listings.

Q: What is the switching capacity of the S4128F-ON?

A: The switch offers a switching capacity of approximately 960 Gbps full-duplex with a forwarding rate of around 720 Mpps.

Q: Does the 210-ALTF support third-party network operating systems?

A: Yes, it supports Open Network Install Environment (ONIE), allowing installation of Dell SmartFabric OS10 or select alternative network operating systems.

Q: What is the form factor of this switch?

A: It is a 1U rack-mountable, fixed form-factor top-of-rack (ToR) switch.

Q: Does the switch include redundant power and cooling?

A: Yes, it features redundant hot-swappable power supplies and fan modules, with configurable airflow direction for hot/cold aisle deployments.

Q: What management interfaces are available on the S4128F-ON?

A: The switch provides an RJ45 console/management port with RS232 signaling, an RJ45 micro-USB-B console port, and an RJ45 10/100/1000Base-T out-of-band management port.

Q: What is the operating temperature range for this switch?

A: Sources indicate an operating range of approximately 0°C to 40°C (with some listings citing 5°C to 40°C) and a storage range of -40°C to 65°C.