Cisco NXA-PAC-750W-PI

Name: Cisco NXA-PAC-750W-PI
Brand: Cisco
SKU: 4273
Price: 950.0 USD
Availability: InStock

Nexus AC 750W PSU - Port Side Intake

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US $950.00

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Product Highlights

Family

Switches

Brand

Cisco

Warranty

Lifetime (see details)

Availability

Usually Ships within 3-4 Days

What's Included

(1) AC Power Cord

Unplanned power supply failures in the data center can cascade into costly downtime and SLA breaches. The Cisco NXA-PAC-750W-PI eliminates that risk by delivering 750 watts of clean, efficient AC power to your Cisco Nexus 9000 Series fixed switches with port-side intake (back-to-front) airflow.

Designed as a hot-swappable, plug-in module, the NXA-PAC-750W-PI can be replaced or added without interrupting switch operations. Cisco Nexus 9000 platforms support 1+1 PSU redundancy, meaning you can pair two NXA-PAC-750W-PI units so that a single PSU failure has zero impact on network availability. The burgundy color coding makes it easy to visually confirm correct airflow orientation during installation — a critical detail in hot-aisle/cold-aisle data center environments.

The power supply accepts a universal AC input range of 90–264 VAC at 47–63 Hz, enabling deployment in data centers worldwide without voltage selection switches or transformer adapters. Whether you are refreshing power supplies in an existing Nexus 9300-series deployment or building out a new leaf-spine fabric, the NXA-PAC-750W-PI provides the dependable, standards-compliant power foundation your infrastructure demands.

Features & Benefits

Hot-Swappable Redundant Power

The NXA-PAC-750W-PI is fully hot-swappable, allowing field replacement without a maintenance window. Paired in a 1+1 redundant configuration, two PSUs ensure the switch continues to operate at full capacity even if one unit fails — a must-have for production data center environments.

Port-Side Intake Airflow

Airflow direction matters. The NXA-PAC-750W-PI uses port-side intake (back-to-front) airflow, drawing cool air from the rear of the chassis and exhausting it toward the port side. This aligns with cold-aisle containment strategies and must be matched with corresponding PI-designated fan modules for proper thermal management.

Universal AC Input

With a rated input voltage of 115–240 VAC (full range 90–264 VAC) and a frequency range of 47–63 Hz, this PSU auto-senses the incoming power source. Deploy confidently in any region without manual voltage selection or external step-down transformers.

Tool-Less Installation

The plug-in module form factor slides directly into the PSU bay of compatible Nexus 9000 fixed switches. No tools are required for insertion or removal, reducing mean time to repair (MTTR) and simplifying sparing logistics.

Deployment Scenarios

Data Center Leaf-Spine Fabric

Power Nexus 9300-series leaf or spine switches in a modern VXLAN/EVPN fabric. Dual NXA-PAC-750W-PI units per switch provide the redundancy required for always-on east-west traffic in virtualized and containerized workloads.

Spare & Replacement Inventory

Maintain on-site spares to minimize downtime during a PSU failure. The hot-swap capability means a technician can swap a failed unit in seconds, restoring full redundancy without a change-control window.

New Deployment Buildout

When deploying new Nexus 9000 fixed switches in a greenfield data center, ordering additional NXA-PAC-750W-PI units ensures every chassis ships with 1+1 power redundancy from day one.

750W Maximum Output Power — Delivers reliable AC power for demanding Nexus 9000 data center switches

Port-Side Intake (PI) Airflow — Burgundy-coded module aligns with back-to-front cooling architectures

Hot-Swappable Design — Replace or upgrade the PSU without powering down the switch for zero downtime

1+1 Redundancy Support — Install two PSUs per switch to ensure continuous operation during a PSU failure

Universal AC Input (90–264 VAC) — Auto-sensing voltage supports worldwide deployment without manual selection

Wide Frequency Range (47–63 Hz) — Compatible with global power grids for flexible international installations

Includes AC Power Cord — Ships ready to install with the required power cable in the box

General

Manufacturer

Cisco Systems

Part Number

NXA-PAC-750W-PI

Product Type

AC Power Supply Module

Product Family

Cisco Nexus 9000 Series

Form Factor

Hot-Swappable Plug-In Module

Airflow Direction

Port-Side Intake (Back-to-Front)

Color Code

Burgundy (PI)

Electrical

Maximum Output Power

750 W

Rated Input Voltage

115–240 VAC nominal (Range: 90–264 VAC)

Rated Input Frequency

50–60 Hz nominal (Range: 47–63 Hz)

Maximum Input Current

10 A at 100 VAC

Redundancy

1+1 (with second PSU installed)

Physical

Weight

2.42 lb (1.1 kg)

Hot-Swappable

Yes

Internal Fan

Yes (1)

Compatibility Notes

Compatible Platforms: The NXA-PAC-750W-PI is designed for select Cisco Nexus 9000 Series fixed switches that accept the NXA-PAC-750W form factor. Confirmed compatible models include the N9K-C93240YC-FX2 and N9K-C9336C-FX2, among others. Always verify compatibility against the hardware installation guide for your specific Nexus 9000 model.

Airflow Matching: This is a port-side intake (PI) module with burgundy color coding. It must be paired with PI-designated fan trays (e.g., NXA-FAN-35CFM-PI or NXA-SFAN-35CFM-PI) to maintain proper airflow. Do not mix PI and PE modules in the same chassis.

Power Cord: One (1) AC power cord is included. Verify that the included cord type matches your facility's outlet standard; additional region-specific cords may be ordered separately.

Downloads & Resources

Cisco Nexus 93240YC-FX2 Hardware Installation Guide (PDF)

Cisco N9300-EX, FX, and FX3 Series Data Sheet

Cisco Nexus 9336C-FX2 Hardware Installation Guide

Frequently Asked Questions

Both are 750W AC power supplies for Nexus 9000 switches. The PI (Port-Side Intake) model draws air from the rear and exhausts toward the port side (back-to-front), while the PE (Port-Side Exhaust) model moves air front-to-back. Choose the variant that matches your data center's cooling architecture and fan tray airflow direction.

No. Cisco requires that all power supplies and fan modules in a chassis share the same airflow direction. Mixing PI and PE components will cause thermal issues and is not supported.

Yes. The NXA-PAC-750W-PI is a hot-swappable module. When a second PSU is installed for 1+1 redundancy, you can remove and replace a failed unit without powering down the switch.

The NXA-PAC-750W-PI ships with one (1) AC power cord. The power supply module itself is included. No additional accessories or documentation are included in the box.

The NXA-PAC-750W-PI is compatible with select Cisco Nexus 9000 Series fixed switches, including the N9K-C93240YC-FX2 and N9K-C9336C-FX2. Always consult the hardware installation guide for your specific switch model to confirm PSU compatibility before ordering.

Part Number	Product	Key Difference
NXA-PAC-750W-PE	Nexus 750W AC PSU — Port-Side Exhaust	Same 750W capacity but with port-side exhaust (front-to-back) airflow for hot-aisle exhaust cooling designs.
NXA-PAC-1100W-PI2	Nexus 1100W AC PSU — Port-Side Intake	Higher 1100W output for switches with greater power demands; same port-side intake airflow direction.
NXA-PAC-1100W-PE2	Nexus 1100W AC PSU — Port-Side Exhaust	1100W output with port-side exhaust airflow; suited for higher-power Nexus 9000 models in front-to-back cooling environments.
NXA-PDC-1100W-PI	Nexus 1100W DC PSU — Port-Side Intake	DC-input power supply for telco or DC-powered facilities; 1100W output with matching port-side intake airflow.