What port configuration does the Dell 210-ALTE S4128F-ON provide?

It features 28 fixed 1/10GbE auto-sensing SFP+ ports for flexible copper or fiber connectivity, enabling high-density server access without transceivers included. This configuration supports full wire-speed forwarding in non-blocking mode.

Does the S4128F-ON support open networking standards?

Yes, it runs Dell OS10 Enterprise Edition with ONIE boot support, allowing installation of third-party NOS like Cumulus Linux. This provides automation via REST APIs, Python scripting, and model-driven programmability for DevOps workflows.

What power redundancy options are available?

Dual hot-swappable 550W AC power supplies are pre-installed, supporting 1+1 redundancy. Standard airflow from I/O to PSU ensures efficient cooling in 19-inch racks up to 40°C ambient.

Is it suitable for data center top-of-rack deployments?

Optimized for ToR with 28x10G ports handling east-west traffic in hyperconverged or virtualized setups. Low latency and high throughput make it ideal for spine uplinks via SFP+.

What airflow directions are supported?

Standard airflow (I/O to PSU) is default, with reverse (PSU to I/O) available. This flexibility accommodates hot/cold aisle containment in modern data centers.

210-ALTE - Dell 210-ALTE S4128F-ON 28x10G SFP+ ToR Switch

Name: Dell 210-ALTE S4128F-ON 28x10G SFP+ ToR Switch
Brand: Dell
SKU: 210-ALTE
Price: 2025 USD
Availability: InStock

210-ALTE - Dell 210-ALTE S4128F-ON 28x10G SFP+ ToR Switch | US IT Hardware

Product overview

The Dell 210-ALTE corresponds to the S4128F-ON open networking switch from Dell's S-Series, optimized for enterprise and data center environments requiring high-density 10GbE connectivity. Featuring 28 fixed 1/10GbE SFP+ ports, it supports wire-speed forwarding with low latency, ideal for top-of-rack deployments in leaf-spine architectures. Dual hot-swappable 550W AC power supplies ensure high availability with redundancy, while standard airflow (I/O to PSU) facilitates cooling in dense racks. Powered by Dell OS10, it offers flexible automation via ONIE for custom NOS installation, VXLAN support for overlay networks, and advanced QoS for traffic prioritization. This fixed-configuration switch excels in SMB to enterprise networks handling east-west traffic, virtualization, and cloud workloads, providing scalable bandwidth without oversubscription.

28 fixed 1/10GbE SFP+ downlink ports.
Dual redundant hot-swappable 550W AC PSUs.
Dell OS10 with ONIE for open networking.
1U rackmount form factor, standard airflow.
Non-blocking architecture for wire-speed 10G.
Supports VXLAN, QoS, and automation APIs.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	210-ALTE
Brand	Dell
Condition	Refurbished
PoE	No
Model	S4128F-ON
Product Line	S-Series
Product Type	Ethernet Switch
Operating System	Dell OS10

Power Consumption

Power Supplies	2x redundant/hot-swap 550W AC

Compatible systems

Native Dell OS10; ONIE enables SONiC/Cumulus. Compatible with PowerEdge servers via 10G SFP+.

Dell PowerEdge
Model: R Series
Form factor: 1U/2U Rack
Generation: 13G+
ToR connectivity for server farms.

Best for

Data Center Top-of-Rack
High-density 10GbE connectivity for server access layer in leaf-spine fabrics.
Enterprise Aggregation
Aggregates 10G server traffic to core with low-latency forwarding.
Cloud Infrastructure
Supports VXLAN overlays and automation for private cloud deployments.
HPC Clustering
Delivers non-blocking 10GbE bandwidth for compute node interconnects.
Virtualized Environments
Handles east-west VM traffic with QoS and multicast optimization.

Dell 210-ALTE S4128F-ON 28x10G SFP+ ToR Switch

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