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450-AAQB
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Power Supply. AC. 460w. IO to PSU airflow. S4048-ON
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
450-AAQB
- Description:
- Power Supply. AC. 460w. IO to PSU airflow. S4048-ON
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Dell
- GTIN:
- 582723296521
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- 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
- Brand
- Dell
- 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.
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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 |
| 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 |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
D
Derek Lawson
4
Power supply performs reliably with no failures.
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.