Dell PowerSwitch vs Cisco Nexus
Dell PowerSwitch
Cisco Nexus
Both Dell PowerSwitch and Cisco Nexus are proven data center switching platforms that span top-of-rack access to high-density spine and aggregation roles, with current generations reaching 400GbE. The real decision is rarely about raw port speed, where the two converge, and more about operating model: Dell PowerSwitch leans into open, disaggregated networking, while Cisco Nexus anchors a deep, tightly integrated NX-OS and ACI ecosystem. The right answer depends on whether the customer values software choice and cost flexibility or a single-vendor fabric with a mature automation and support footprint.
Side by side
| Dell PowerSwitch | Cisco Nexus | |
|---|---|---|
| Operating system | SmartFabric OS10, a Linux-based NOS. -ON models also boot Enterprise SONiC by Dell or qualified third-party operating systems via ONIE. | Cisco NX-OS, a mature, feature-rich data center OS. Nexus 9000 also supports ACI mode for policy-driven fabrics. |
| Networking model | Open, disaggregated networking. Hardware and software are decoupled, giving buyers a choice of NOS on the same platform. | Predominantly an integrated single-vendor model. Strongest value is realized within the Cisco hardware, software, and ACI/Nexus Dashboard stack. |
| Fabric and automation | Dell SmartFabric Services automate leaf-spine builds; integrates tightly with VxRail and PowerEdge. Standards-based EVPN/VXLAN. | Cisco ACI delivers intent-based, policy-driven automation with Nexus Dashboard. Deep, feature-rich, but most powerful in an all-Cisco fabric. |
| Port speeds and density | Broad S/Z-Series range from 1GbE to 400GbE. High-end fixed switches such as the Z9664F-ON reach 51.2 Tbps with up to 64x 400GbE. | Broad Nexus 9000 range from 1GbE to 400GbE in fixed and modular (9500) chassis, with very high aggregate capacity at the top end. |
| Ecosystem and integrations | Validated designs for Dell infrastructure (VxRail, PowerStore, PowerFlex, PowerEdge). Also documented to interoperate with Cisco ACI leaves. | Very large ecosystem, broad third-party validations, and extensive Cisco security and observability tooling (e.g., Nexus Dashboard suite). |
| Programmability | Linux-based OS10 with standard APIs, plus SONiC for hyperscale-style automation and a community-driven feature set. | Rich programmability via NX-OS APIs, NX-API, model-driven telemetry, Python, and Ansible, with mature DevOps tooling. |
| Cost and licensing | Generally positioned as cost-competitive, with open networking reducing software lock-in. Licensing varies by model and feature set. | Typically a premium acquisition cost; feature and subscription licensing (smart/term licenses) can add to total spend. Exact pricing varies by config. |
| Support model | Single point of contact through Dell ProSupport, attractive for shops already standardized on Dell servers and storage. | Cisco TAC and a very large partner and certification ecosystem (CCNA/CCNP/CCIE) with deep institutional expertise in the field. |
Shop these now
Live configurations from our catalog with partner pricing. Add to your cart to request a firm quote, or build a full BOM.
Dell PowerSwitch
Cisco Nexus
Choose Dell PowerSwitch when open networking and Dell alignment matter
Dell PowerSwitch is the stronger fit when the customer wants software choice and freedom from NOS lock-in. The -ON platforms boot SmartFabric OS10, Enterprise SONiC by Dell, or qualified third-party operating systems on the same hardware via ONIE, which protects the investment as software strategy evolves. It is especially compelling for shops already standardized on Dell PowerEdge, VxRail, PowerStore, or PowerFlex, where SmartFabric automation and a single Dell ProSupport relationship simplify procurement, deployment, and lifecycle management. Buyers focused on cost-competitiveness and a clean leaf-spine EVPN/VXLAN fabric without a proprietary controller will find PowerSwitch attractive.
Choose Cisco Nexus when the customer wants a mature, integrated fabric
Cisco Nexus is the safer pick when the organization is already invested in Cisco networking or wants the deepest single-vendor fabric. NX-OS is feature-rich and battle-tested, and Cisco ACI delivers intent-based, policy-driven automation that is hard to match in a uniform all-Cisco environment. The advantage compounds where there is a large installed base of Cisco-certified staff (CCNP/CCIE), established TAC support relationships, and a need for the broad partner ecosystem and tooling around Nexus Dashboard. For complex, high-scale data centers that prioritize a turnkey, tightly integrated stack over software portability, Nexus is typically the path of least resistance.
Neither platform is a clear winner on hardware alone. At the silicon level both reach 400GbE with comparable density and line-rate performance, so the decision is about operating model and existing investment rather than raw specs. Steer customers who value open networking, software choice, cost flexibility, and an existing Dell infrastructure footprint toward PowerSwitch. Steer customers with an entrenched Cisco fabric, ACI requirements, or a deep bench of Cisco-certified staff toward Nexus. As a reseller, the most useful early questions are what NOS strategy and automation framework the customer wants, and what they already run, because that usually settles the choice faster than any spec sheet.
Talk to a specialistFrequently asked
Can Dell PowerSwitch run a non-Dell network operating system?
Yes. Dell PowerSwitch -ON models are open networking platforms that use ONIE for zero-touch installation, so they can boot Dell SmartFabric OS10, Enterprise SONiC Distribution by Dell Technologies, or qualified third-party network operating systems on the same hardware. Cisco Nexus, by contrast, is designed to run Cisco NX-OS (with ACI mode on Nexus 9000), making PowerSwitch the more flexible choice when software portability is a priority.
Does Dell PowerSwitch interoperate with an existing Cisco environment?
Yes, through standards-based protocols such as BGP EVPN/VXLAN, LACP, and standard L2/L3 features, so PowerSwitch can coexist with Cisco gear in a mixed network. Dell also publishes deployment guidance for running SmartFabric OS10 switches alongside Cisco ACI. That said, the most seamless automation experience on either side still comes from staying within that vendor's own fabric (SmartFabric for Dell, ACI for Cisco).
Which is more cost-effective for a data center refresh?
It depends on configuration and licensing, so avoid quoting fixed numbers. In general, Dell PowerSwitch is positioned as cost-competitive and its open networking model can reduce long-term software lock-in, while Cisco Nexus typically carries a premium acquisition cost plus feature or subscription licensing. The fuller picture includes staff expertise, existing tooling, and support contracts, so total cost of ownership should be modeled per customer rather than assumed from list price alone.
Build your Dell bill of materials.
Send us the requirement, the project, or an existing quote to beat. We come back with a validated, TAA-compliant Dell configuration and a real price, often below list.
[email protected] · Chicago, IL