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Power supply performs reliably with no failures.
450-AAQB
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Power Supply. AC. 460w. IO to PSU airflow. S4048-ON
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Name:
450-AAQB
- Description:
- Power Supply. AC. 460w. IO to PSU airflow. S4048-ON
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Dell
- GTIN:
- 582723296521
- Condition:
- Warranty:
- 3
- List Price:
$784.03
- Price:
$258.7367% off
Quantity:
1
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450-AAQB Overview
450-AAQB is a robust 450W power supply built in an ATX form factor that delivers reliable power distribution for desktop systems. Featuring a non-modular design with 80 PLUS Bronze certification, it accommodates an input voltage range of 100–240V and employs Active PFC to maximize efficient power delivery.
Engineered with a 120mm fan using a sleeve bearing for optimized airflow and low noise, the 450-AAQB integrates essential protection features such as OCP, OVP, UVP, and SCP. It offers one ATX 24-Pin connector, one EPS (CPU) 4+4 Pin connector, one PCIe (6+2) connector, four SATA power connectors, and two Molex connectors with flat cables, making it ideal for gaming, workstations, and general computing environments.
450-AAQB price is $258.73, a 67% saving from the Dell list price of $784.03. 450-AAQB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 450-AAQB for additional pricing. Browse the full Dell Power Supplies series or explore all Dell products.
450-AAQB Specifications
- Product Type
- Power Supply
- Wattage
- 450W
- Use Case
- Workstation / Gaming / General Use
- Form Factor
- ATX
- Modularity
- Non-Modular
- 80 PLUS Certification
- Bronze
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / UL / ROHS
- Remote Monitoring
- No
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Sleeve
- Zero RPM Mode
- Yes
- Efficiency Rating
- 87%
- Protections
- OCP / OVP / UVP / SCP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 1
- SATA Power Connectors
- 4
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Flat
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 100,000 hours
- Operating Temperature
- 40°C
- Product Name
- 450-AAQB
- Height
- 5.5 inches
- Width
- 5.9 inches
- Depth
- 6.3 inches
- Weight
- 6.4 lbs
450-AAQB Use Case
Enterprise Data Center Core Switch Redundancy & Thermal Efficiency
An enterprise data center deploys the Aruba S4048-ON core switch with the 450-AAQB Power Supply AC 460W featuring IO-to-PSU airflow to optimize rack-level cooling and support N+1 redundancy. The hot-swappable design enables zero-downtime maintenance and seamless power failover. Benefit: enhances network reliability and thermal efficiency, reduces cooling costs, and extends equipment lifespan.
Telecom Edge Router High-Availability Deployment
A Tier 1 telecom operator integrates dual 450-AAQB Power Supply AC 460W modules into S4048-ON edge routers, leveraging IO-to-PSU airflow for front-to-back heat management within a chilled-aisle containment. This configuration delivers carrier-grade power redundancy and simplified field serviceability. Benefit: achieves 99.999% network uptime, lowers PUE, and meets stringent SLA requirements.
Cloud Service Provider Aggregation Switch Scalability
A multi-tenant cloud provider uses the 450-AAQB Power Supply AC 460W in S4048-ON aggregation switches to handle dynamic workload spikes while maintaining optimal airflow from IO ports to the PSU. The high-efficiency AC module supports tool-less hot swap, enabling rapid scale-out and streamlined operations. Benefit: reduces operational expenses, accelerates provisioning, and maximizes energy utilization under variable loads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 450-AAQB | ![Dual, Hot-plug PS, 2400W [SKU: 450-AGFO]](https://backend.ormsystems.com/storage/products/thumbnails/450-agfo-price.webp) 450-AGFO | ![Single, Hot-plug power supply (1+0), 550W [SKU: 450-AGZI]](https://backend.ormsystems.com/storage/products/thumbnails/450-agzi-price.webp) 450-AGZI | ![Single, Hot-plug power supply, 350W [SKU: 450-AEUW]](https://backend.ormsystems.com/storage/products/thumbnails/450-aeuw-price.webp) 450-AEUW | ![Dual. Hot-plug redundant power supply(1+1), 750W [SKU: 450-ADWS]](https://backend.ormsystems.com/storage/products/thumbnails/450-adws-price.webp) 450-ADWS | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 450W | 450W | 450W | 450W | 450W |
| Use Case | Workstation / Gaming / General Use | Gaming / Workstation | Gaming / Workstation / General Use | Gaming / Workstation / General Use | Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Non-Modular | Non-Modular | Semi-Modular | Semi-Modular | Semi-Modular |
| 80 PLUS Certification | Bronze | Bronze | Gold | Bronze | Bronze |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | N/A | No | No | N/A |
| Input Voltage | 100–240V | 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 | Sleeve | Rifle | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | No | Yes | Yes | Yes |
| Efficiency Rating | 87% | 87% | 90% | 90% | 87% |
| Protections | OCP / OVP / UVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / UVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 1 | 1 | 1 | 1 | 2 |
| SATA Power Connectors | 4 | 4 | 4 | 4 | 4 |
| Molex Connectors | 2 | 3 | 2 | 2 | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Flat | Flat | Flat | Flat | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 100,000 hours | 100,000 hours | 100,000 hours | 100,000 hours | 100,000 hours |
| Operating Temperature | 40°C | 50°C | 55°C | 40°C | 50°C |
| Product Name | 450-AAQB | 450-AGFO Power Supply | 450-AGZI Power Supply | 450-AEUW | 450-ADWS |
| Height | 5.5 inches | 5.9 inches | 5 inches | 3.4 inches | 5 inches |
| Width | 5.9 inches | 3.4 inches | 5.9 inches | 5.9 inches | 6 inches |
| Depth | 6.3 inches | 5.5 inches | 7.1 inches | 5.5 inches | 3 inches |
| Weight | 6.4 lbs | 7 lbs | 10 lbs | 5 lbs | 4 lbs |
Reviews & Ratings
A
Aamir Saleem
5
Easy replacement and stable power delivery.
J
Jonas Eriksen
4
Matches airflow requirements perfectly.
S
Steven Hart
4
No noise or overheating issues.
M
Muneeb Arshad
5
Works as expected.
Questions & Answers
What is the power rating of the 450-AAQB power supply?
The 450-AAQB power supply delivers 460 W of AC output, providing reliable, continuous power for your S4048-ON switch.
Is the 450-AAQB compatible with the S4048-ON switch?
Yes, the 450-AAQB is officially compatible with the S4048-ON, ensuring seamless integration, safe installation, and optimal performance.
What airflow direction does the 450-AAQB use?
The 450-AAQB features IO-to-PSU airflow, drawing cool air from the switch front and exhausting warm air out the rear for efficient thermal management.
Can I hot-swap the 450-AAQB power supply?
Yes, the 450-AAQB is hot-swappable, allowing you to replace or add a unit without powering down your S4048-ON and minimizing network downtime.
What input voltage range does the 450-AAQB support?
The 450-AAQB accepts a universal AC input range of 100–240 VAC at 50–60 Hz, accommodating global power standards.
How energy-efficient is the 450-AAQB power supply?
The 450-AAQB meets 80 PLUS® Bronze efficiency standards, reducing energy consumption and lowering operating costs.
Does the 450-AAQB include built-in protection features?
Yes, the 450-AAQB offers over-voltage, under-voltage, over-current, and short-circuit protection to safeguard your equipment.
What operating temperature range does the 450-AAQB support?
The 450-AAQB operates reliably between 0 °C and 40 °C (32 °F to 104 °F), ensuring stable performance under standard data-center conditions.
How do I install the 450-AAQB in the S4048-ON chassis?
Slide the 450-AAQB module into the PSU bay until it clicks, secure it with the latch, then connect the AC power cord to energize the switch.
Is there a status indicator on the 450-AAQB?
Yes, the 450-AAQB features a dual-color LED that displays green for normal operation and amber for fault conditions.
What are the physical dimensions of the 450-AAQB?
The 450-AAQB measures 3.0 cm × 14.0 cm × 24.0 cm (H×W×D), fitting standard single-slot PSU bays in the S4048-ON.
Does the 450-AAQB support active fan speed monitoring?
Yes, the 450-AAQB reports fan RPM and status to the system controller for proactive thermal management.
What warranty is offered with the 450-AAQB power supply?
The 450-AAQB includes a limited 3-year warranty covering defects in materials and workmanship under normal use.
How can I order replacement cooling fans for the PSU?
Contact your authorized reseller or the manufacturer’s parts department with SKU 450-AAQB-FAN to order official replacement fans.
Is a user manual available for the 450-AAQB?
Yes, you can download the 450-AAQB hardware installation guide and specifications from the official support website.
How do I troubleshoot a PSU installation error?
Verify correct seating, check AC input voltage, inspect LED status, and consult the troubleshooting section of the installation guide for step-by-step diagnostics.