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S4128T-ON
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- Dell Networking S4128T-ON, 1U, 28 x 10Gbase-T, 2 x QSFP28, PSU to IO, 2 PSU, OS10_x005F_x000D_
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S4128T-ON Overview
S4128T-ON is a high-performance Layer 2/3 rack-mount switch engineered with a robust and scalable architecture that meets the demands of modern enterprise environments. It offers reliable AC power options and a carefully designed mix of Ethernet interfaces, providing flexible connectivity for diverse network deployments.
Built for growing networks, the S4128T-ON supports stacking to simplify management and expand switching capacity while delivering consistent, high-performance throughput. Its versatile port configuration and advanced design make it ideal for data center consolidation, campus network applications, and other mission-critical use cases.
What is the price of S4128T-ON?
Pricing for S4128T-ON is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for S4128T-ON.
Explore more options from Switches or explore other Dell products.
S4128T-ON Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| 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 |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | S4128T-ON |
| Uplink Configuration | 10G |
| IOS | IP Services |
| 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 | N/A |
| Flash Memory | 64 MB |
| Switching Capacity | 176 Gbps |
| Switching Capacity With Stacking | 352 Gbps |
| Product Name | Edgecore Networks S4128T-ON 48-Port 10G Rack-Mount Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 18 inches |
| Weight | 15 lbs |
S4128T-ON Use Case
Enterprise Data Center Top-of-Rack for Virtualized Private Cloud
In a 1,200-server enterprise deploying a hyperconverged private cloud, the Dell Networking S4128T-ON delivers 28 10Gbase-T ports to connect virtualized compute nodes and two QSFP28 100 Gbps uplinks to the spine layer. OS10’s native automation (Ansible, REST) and granular QoS enable sub-10 µs latency, zero-touch provisioning, and seamless firmware updates. Outcome: 30 % faster VM spin-up, 25 % lower ops overhead, and deterministic east-west traffic performance under peak loads.
Multi-Tenant Service Provider with EVPN-VXLAN Segmentation
A cloud hosting provider uses the S4128T-ON as its access/distribution switch to serve 100+ enterprise customers. Each tenant’s 10Gbase-T edge links terminate on the switch while QSFP28 ports uplink to a 400 Gbps spine. Leveraging OS10 EVPN-VXLAN, per-tenant VRFs and MAC-sec encryption, the operator enforces strict isolation and SLA-driven QoS. Outcome: rapid onboarding of new tenants, 99.999 % SLA compliance, and line-rate encryption without performance penalty.
High-Performance Computing and AI GPU Cluster Interconnect
In an AI research lab, 56 GPU-accelerated nodes connect via 10Gbase-T ports on the S4128T-ON, while two QSFP28 uplinks aggregate to 200 Gbps toward the central fabric. OS10’s ML-ready telemetry and buffer tuning optimize all-to-all data exchange during model training. Outcome: 40 % reduction in epoch training time, real-time congestion visibility, and full-rack redundancy with dual PSUs delivering non-stop GPU compute acceleration.
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 is the Dell Networking S4128T-ON switch?
A
The Dell Networking S4128T-ON is a 1U, 28-port 10GBASE-T switch with 2 QSFP28 uplinks running Dell EMC OS10 for advanced Layer 2/3 data center networking.
Q
How many 10GBASE-T and QSFP28 ports does the S4128T-ON offer?
A
The S4128T-ON provides 28 fixed 10GBASE-T RJ45 ports plus two QSFP28 ports that support 40/100 GbE optics or DAC cables.
Q
What throughput and forwarding rate does the S4128T-ON deliver?
A
It delivers 1.44 Tbps of switching capacity with up to 1.07 billion packets per second forwarding rate for wire-speed performance.
Q
Which operating system powers the S4128T-ON switch?
A
The switch runs Dell EMC OS10, offering a modular Linux-based environment with advanced automation, open networking, and rich Layer 2/3 features.
Q
Are the power supplies in the S4128T-ON redundant?
A
Yes, the S4128T-ON comes with two hot-swappable, load-sharing power supply units for N+1 redundancy and high availability.
Q
Can the QSFP28 ports on the S4128T-ON be used for 100 GbE uplinks?
A
Yes, the two QSFP28 ports support breakout cables or 100 GbE optics for uplinks and spine-leaf architectures.
Q
Does the S4128T-ON support stacking or virtual chassis?
A
Dell OS10 offers virtual chassis capabilities, enabling logical stacking of up to eight switches for unified management.
Q
What management interfaces are available on the S4128T-ON?
A
Management options include a dedicated RJ45 out-of-band Ethernet port, serial console, USB, and full CLI/RESTful APIs via OS10.
Q
What Layer 2 and Layer 3 features are supported?
A
It supports VLAN, STP, MLAG, VRF, OSPF, BGP, ECMP, MPLS, VXLAN, and DHCP snooping for comprehensive networking.
Q
What is the typical latency of the S4128T-ON?
A
The switch delivers microsecond-level latency (sub-2 µs) for 10 GbE ports, ensuring low-latency performance in demanding applications.
Q
How energy-efficient is the Dell S4128T-ON?
A
With efficient power supplies and OS10 power management features, it achieves up to 75 W maximum power consumption under full load.
Q
Which environments and use cases suit the S4128T-ON?
A
Ideal for data center leaf/spine, campus aggregation, and high-performance computing networks requiring 10 GbE and 100 GbE connectivity.
Q
What security features are built into the S4128T-ON?
A
It includes ACLs, 802.1X port authentication, DHCP snooping, IP source guard, and RADIUS/TACACS+ integration for robust security.
Q
What are the physical dimensions and rack requirements?
A
The S4128T-ON is a 1U standalone switch measuring 44.5 cm × 43.1 cm × 4.4 cm and fits standard 19-inch racks with front-to-rear airflow.
Q
What warranty and support options are available?
A
Dell offers a Limited Lifetime Hardware Warranty, ProSupport options, and next-business-day on-site service for the S4128T-ON.
Q
How do I order spare parts or upgrades for the S4128T-ON?
A
Contact Dell support or your authorized reseller with SKU S4128T-ON to request replacement PSUs, fans, modules, or OS10 licenses.
