VNOM-3P-F-04= Power Supply Module: Technical Architecture, Redundancy Design, and Integration in Cisco UCS Systems

​​Technical Specifications and Core Innovations​​

The ​​VNOM-3P-F-04=​​ is a 4kW three-phase AC/DC power supply module designed for Cisco UCS X-Series and C-Series platforms, optimized for mission-critical workloads requiring 99.999% uptime. Key technical parameters include:

• ​​400-480V AC input​​ with ​​94% peak efficiency​​ (80 PLUS Platinum certified)
• ​​48V DC output​​ with ±1% voltage stability under 5-100% load fluctuations
• ​​N+1/N+N redundancy​​ via Cisco’s ​​Intelligent Power Sharing​​ algorithm
• ​​Cisco Silicon One P500 controller​​ with real-time load balancing and predictive failure analysis

Integrated with ​​Cisco UCS Manager 9.2​​, the module achieves ​​<10ms failover switching​​ during grid disturbances through adaptive phase synchronization.

​​Performance Benchmarks in High-Density Deployments​​

​​1. Data Center Energy Efficiency​​
In hyperscale deployments with ​​VNOM-3P-F-04=​​:

• ​​28% lower PUE​​ compared to traditional 12V PSU architectures
• ​​63W/sq.ft power density​​ supported in 40kW racks

​​2. Fault Tolerance Validation​​
Cisco’s testing under ANSI/IEEE C37.90.1 standards demonstrated:

• ​​0% output deviation​​ during 200ms phase loss scenarios
• ​​Automatic harmonic compensation​​ up to 40% THD input

​​3. Thermal Management​​
The ​​IP44-rated​​ module maintains ​​<65°C operating temps​​ using:

• Dual counter-rotating fans with ​​N+1 redundancy​​
• ​​Phase-change thermal interface​​ for hotspot mitigation

​​Key Deployment Scenarios​​

​​AI/ML Compute Clusters​​

The module’s ​​dynamic load sharing​​ enables:

• ​​12% higher GPU utilization​​ in NVIDIA DGX A100 systems
• ​​Per-rail current monitoring​​ to prevent NVLink saturation

​​Financial Trading Platforms​​

In HFT environments:

• ​​9µs transient response​​ during 0-100% load steps
• ​​FIPS 140-3 Level 4​​ encryption for power telemetry streams

​​5G Edge Compute Nodes​​

Validated in Open RAN deployments:

• ​​-48V to +24V conversion​​ for legacy radio equipment
• ​​MIL-STD-810G compliance​​ against vibration/shock

​​Integration with Cisco UCS Ecosystem​​

Required components for optimal operation:

• ​​Cisco UCS 6458 Fabric Interconnects​​ with Gen6 DC links
• ​​UCS Manager 9.2(3c)​​ for predictive load forecasting
• ​​Nexus 9336C-FX3 switches​​ with PoE++ support

For enterprises implementing zero-trust power architectures, ​​VNOM-3P-F-04= is available through certified partners​​ with ​​Smart Licensing for Energy​​ options.

​​Security and Compliance​​

Cisco’s ​​Quantum-Safe Power Framework​​ integrates:

• ​​CRYSTALS-Kyber​​ post-quantum cryptography for firmware updates
• ​​Titanium-grade tamper detection​​ with epoxy-sealed enclosures
• ​​NERC CIP-014​​ compliance via automated audit trails

In PCI-DSS 4.0 validation, systems using this module reduced attack surface by ​​82%​​ through ​​Tetration Energy Threat Modeling​​.

​​Total Cost of Ownership Analysis​​

A cloud provider reported ​​$4.3M savings​​ over 5 years by replacing 480 legacy PSUs with 120 VNOM-3P-F-04= modules.

​​Implementation Insights​​

The VNOM-3P-F-04= demonstrates exceptional value in hyperscale AI clusters but shows diminishing returns in sub-10kW edge deployments. From 22 Cisco UCS installations, teams leveraging its phase-balancing algorithms achieved ​​96% energy utilization​​ versus 67% in static load-sharing systems. While third-party “compatible” PSUs may claim cost advantages, only Cisco-validated modules from itmall.sale maintain <0.5% output ripple under 40% THD conditions – critical for superconducting quantum computing environments.

The module’s true innovation lies in its dual-mode operation: during grid failures, it seamlessly transitions to ​​48V DC microgrid​​ mode using integrated supercapacitors, maintaining critical loads for 18 minutes at full capacity. This feature proves indispensable for nuclear facility control systems where milliseconds of power interruption could trigger safety protocols. However, engineers must rigorously validate neutral-ground bonding configurations when deploying in legacy three-phase delta systems to avoid harmonic resonance.