United States$5,000,000+
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Robert Sinclair
5
PSU delivered stable power with no faults.
NXA-PAC-650W-PI=
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NEXUS NEBS AC 650W PSU PORT SIDE INTAKE
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Name:
NXA-PAC-650W-PI=
- Description:
- NEXUS NEBS AC 650W PSU PORT SIDE INTAKE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658859540
- Condition:
- Warranty:
- 3
- List Price:
$663.85
- Price:
$219.0767% off
Quantity:
1
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NXA-PAC-650W-PI= Overview
NXA-PAC-650W-PI= is a 650W semi-modular ATX power supply featuring an 80 PLUS Bronze certification, designed to deliver reliable performance for a wide range of systems. It operates on an input voltage of 110–240V with Active PFC, uses a 120mm Fluid Dynamic fan for effective cooling, and incorporates robust protections such as OCP, OVP, and SCP.
This power supply comes equipped with a full suite of connectors including 1 ATX 24-pin, 1 EPS (CPU) 4+4 pin, 2 PCIe (6+2) connectors, 6 SATA power connectors, and 4 Molex connectors, all utilizing a sleeved cable design for enhanced durability. With an efficiency rating of 85% and low noise levels, it is ideally suited for gaming, workstation, and server applications.
NXA-PAC-650W-PI= price is $219.07, a 67% saving from the Cisco list price of $663.85. NXA-PAC-650W-PI= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for NXA-PAC-650W-PI= for additional pricing. Browse the full Asa 5500 Power Supplies series or explore all Cisco products.
NXA-PAC-650W-PI= Specifications
- Height
- 4.5 inches
- Width
- 5.9 inches
- Weight
- 4.8 lbs
- Depth
- 6.3 inches
- RGB Lighting
- No
- Use Case
- Gaming / Workstation
- Form Factor
- ATX
- Product Type
- Power Supply
- Rail Configuration
- Single Rail
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- Yes
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Protections
- OCP / OVP / SCP
- Remote Monitoring
- N/A
- Modularity
- Semi-Modular
- Certifications
- 80 PLUS / CE / FCC / RoHS
- 80 PLUS Certification
- Bronze
- Efficiency Rating
- 85%
- Input Voltage
- 110–240V
- Wattage
- 650W
- Product Name
- NXA-PAC-650W-PI=
NXA-PAC-650W-PI= Use Case
High-Density Edge Data Center Power Optimization
In a metropolitan edge data center powering 5G microcells and CDN nodes in a 1U network chassis, the NXA-PAC-650W-PI NEXUS NEBS AC 650W PSU with port-side intake delivers consistent 650W output and advanced thermal management. NEBS compliance and directed airflow lower rack inlet temperatures by 20%, reducing fan speeds and operational expense. Benefit: Achieves carrier-grade 99.999% uptime for latency-sensitive services.
Industrial Automation Control Panel Reliability Enhancement
In discrete manufacturing control cabinets housing PLCs and HMI systems, the NXA-PAC-650W-PI NEXUS NEBS AC 650W PSU with port-side intake provides stable power conversion across 0–60 °C ambient and high-vibration conditions. Its rugged NEBS-certified design extends MTBF by 50% and withstands dust ingress. Benefit: Cuts unplanned downtime by 70%, boosting overall production efficiency.
Carrier-Grade Network Core Redundancy Solution
In Tier-1 central office switch rooms, dual NXA-PAC-650W-PI NEXUS NEBS AC 650W PSUs with port-side intake deliver N+1 redundancy for high-port-density routers and switches. Hot-swap capability and balanced intake airflow ensure uninterrupted 650W delivery during maintenance or peak loads. Benefit: Enables seamless failover under full load, meeting strict carrier SLAs for continuous service.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| NXA-PAC-650W-PI= |  ASA5585-PWR-DC |  ASA-PWR-AC |  ASR1001-X-PWR-AC |  PWR-C5-125WAC/2= | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 650W | 850W | 850W | 500W | 125W |
| Use Case | Gaming / Workstation | Gaming / Workstation / Server | Gaming / Workstation | Enterprise Server / Data Center / Rack Server / Workstation / HPC / Gaming / Mining / General Use | General Use |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Semi-Modular | Semi-Modular | Modular | Non-Modular | Non-Modular |
| 80 PLUS Certification | Bronze | Gold | Gold | Gold | Bronze |
| Rail Configuration | Single Rail | Single Rail | Multi Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL |
| Remote Monitoring | N/A | No | No | No | N/A |
| Input Voltage | 110–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Ball | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | No | Yes |
| Efficiency Rating | 85% | 94% | 94% | 92% | 92% |
| Protections | OCP / OVP / SCP | OCP / OVP / UVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 4 | 2 | 2 | N/A |
| SATA Power Connectors | 6 | 6 | 6 | 4 | 2 |
| Molex Connectors | 4 | 4 | 4 | N/A | N/A |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Flat |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | NXA-PAC-650W-PI= | ASA5585-PWR-DC | ASA-PWR-AC | ASR1001-X-PWR-AC | PWR-C5-125WAC/2= |
| Height | 4.5 inches | 5 inches | 5 inches | 4.5 inches | 4.5 inches |
| Width | 5.9 inches | 7 inches | 6 inches | 6 inches | 5.9 inches |
| Depth | 6.3 inches | 6 inches | 10 inches | 10 inches | 3.2 inches |
| Weight | 4.8 lbs | 2.5 lbs | 4 lbs | 3.5 lbs | 3.5 lbs |
Reviews & Ratings
H
Henry Watkins
5
Easy replacement and immediate recognition.
J
Julian Stone
4
Reliable power supply for Nexus hardware.
A
Andrew Cole
5
Consistent performance under load.
V
Victor Shaw
4
Good quality PSU.
Questions & Answers
What is the NXA-PAC-650W-PI Nexus NEBS AC 650W PSU port side intake?
The NXA-PAC-650W-PI is a NEBS-certified, 650W AC power supply unit with port side air intake, designed for telecom and data center applications.
Is the Nexus NEBS AC 650W PSU NEBS certified?
Yes, the NXA-PAC-650W-PI meets NEBS Level 3 requirements for reliability, safety, and environmental performance.
What input voltage range does the NXA-PAC-650W-PI support?
The unit accepts a universal AC input from 100 VAC to 240 VAC at 47–63 Hz, ensuring global compatibility.
What efficiency rating does this 650W PSU achieve?
The Nexus NEBS AC 650W PSU delivers up to 92% efficiency under typical load conditions, reducing energy costs.
How do I install the port side intake on the NXA-PAC-650W-PI?
Slide the PSU module into the chassis bay until it clicks, ensuring the intake vents align with the chassis airflow path.
What protection features are integrated into this power supply?
It includes overvoltage, overcurrent, overtemperature, short-circuit and fan-failure protection to safeguard connected equipment.
What output connectors are provided on the NXA-PAC-650W-PI?
The PSU features multiple 12 V and 5 V auxiliary outputs with standard industrial power connectors for versatile deployment.
Is the Nexus NEBS AC 650W PSU hot-swappable?
Yes, the NXA-PAC-650W-PI supports hot-swap operation to ensure continuous system uptime during maintenance.
What are the physical dimensions of this 650W PSU?
The unit measures 89 mm × 36 mm × 279 mm (W×H×D), fitting standard 1U and 2U rackmount chassis.
What is the operating temperature range for the NXA-PAC-650W-PI?
The PSU operates reliably from –10 °C to +60 °C, making it suitable for a wide range of environments.
How noisy is the fan on the Nexus NEBS AC 650W PSU?
The variable-speed fan maintains noise levels below 45 dBA under full load, ensuring a quiet data center.
Can I use this PSU in telecom and networking equipment?
Yes, its NEBS certification and port side intake design make it ideal for telecom, networking and edge computing devices.
What warranty does the NXA-PAC-650W-PI include?
The power supply comes with a three-year limited warranty covering defects in materials and workmanship.
How do I troubleshoot a failure to power on?
Verify input voltage, check chassis seating, inspect cable connections, and confirm no fault LEDs are illuminated.
Where can I purchase the Nexus NEBS AC 650W PSU?
You can order through authorized resellers or directly from the manufacturer’s website with global shipping options.
What maintenance is required for the port side intake filter?
Clean or replace the intake filter every six months to maintain optimal airflow and prevent dust buildup.