- Name:
-
A900-PWR550-D
- Description:
- ASR 900 550W DC Power Supply
- Rating:
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(0)
Added to cart 19 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- Condition:
- GTIN:
- 799993808044
- Warranty:
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3 - List Price:
-
$1,400.00
- Price:
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$743.00
47% off
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A900-PWR550-D
ASR 900 550W DC Power Supply
$743.00
26 in Global Warehouse
$743.00
47% off
TRUSTED, TRIED, PROVEN
A900-PWR550-D Overview
A900-PWR550-D is a 550W ATX power supply featuring a non-modular design and 80 PLUS Bronze certification that supports an input voltage range of 100–240V. It incorporates Active PFC and is equipped with a 120mm fan utilizing a fluid dynamic bearing to ensure efficient cooling while maintaining low noise levels. Built with robust protections such as OCP, OVP, SCP, and OTP, this unit is engineered for safety and reliability.
The A900-PWR550-D comes with essential power connectors including a 24-pin ATX connector, a 4+4 pin EPS CPU connector, and a PCIe 6+2 connector for GPU, along with multiple SATA power connectors for storage devices. Designed for demanding use cases in gaming, workstation, and server environments, its durable build quality, flat cable design, and efficiency rating of 92% make it an ideal choice for high-performance computing systems.
What is the price of A900-PWR550-D?
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A900-PWR550-D Specifications
| Product Type | Power Supply |
| Wattage | 550W |
| Use Case | Gaming |
| Form Factor | ATX |
| Modularity | Non-Modular |
| 80 PLUS Certification | Bronze |
| Rail Configuration | Single Rail |
| Certifications | 80 PLUS |
| Remote Monitoring | No |
| Input Voltage | 100–240V |
| Hot-Swap Capable | No |
| PFC (Power Factor Correction) | Active PFC |
| Fan Size | 120mm |
| Fan Bearing Type | Fluid Dynamic |
| Zero RPM Mode | Yes |
| Efficiency Rating | 92% |
| Protections | OCP / OVP / SCP / OTP |
| 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 | 50°C |
| Product Name | A900-PWR550-D |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
|
|
|
|
|
|
|
|---|---|---|---|---|---|
| 80 PLUS Certification | 80 PLUS | Gold | Gold | Gold | Bronze |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Flat | Sleeved | Sleeved | Sleeved | Flat |
| Certifications | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / UL / CE / FCC | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS | 80 PLUS |
| Depth | 10 inches | 6.0 inches | 7 inches | 11 inches | N/A |
| Efficiency Rating | 87% | 92% | 94% | 92% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 1 | 2 | 1 | 1 |
| Fan Bearing Type | Sleeve | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5 inches | 5.5 inches | 5 inches | 5 inches | N/A |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Modularity | Non-Modular | Semi-Modular | Modular | Modular | Non-Modular |
| Molex Connectors | 2 | 3 | 2 | 2 | 2 |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 40°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 1 | 2 | 4 | 2 | 1 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | C3KX-PWR-350WAC= | CAB-3KX-AC= High Performance ATX Power Supply | AIR-PWRADPT-1530= | 865428-B21 High Performance Modular ATX Power Supply | A900-PWR550-D |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP / OTP |
| Rail Configuration | Single Rail | Single Rail | Multi Rail | Single Rail | Single Rail |
| Remote Monitoring | No | No | N/A | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 4 | 6 | 8 | 4 | 4 |
| Use Case | Gaming / Workstation / General Use | Gaming | Gaming / Workstation / Enterprise Server | Gaming | Gaming |
| Wattage | 350W | 750W | 1500W | 850W | 550W |
| Weight | 4 lbs | 4.5 lbs | 12 lbs | 6.2 lbs | N/A |
| Width | 6 inches | 7.0 inches | 6 inches | 5.9 inches | N/A |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What input voltage range does the Cisco A900-PWR550-D support?
A
The A900-PWR550-D supports a nominal –36 to –72 V DC input range, ensuring compatibility with most industrial and telecom power systems.
Q
What is the maximum output power of the A900-PWR550-D power supply?
A
This DC power module delivers up to 550 W of continuous output to Cisco ASR 900 series routers.
Q
Is the A900-PWR550-D hot-swappable in Cisco ASR 900 routers?
A
Yes. The A900-PWR550-D is fully hot-swappable, allowing replacement without shutting down the router or interrupting network traffic.
Q
Can I use the A900-PWR550-D in a redundant power configuration?
A
Absolutely. You can install two A900-PWR550-D modules for N+1 redundancy, ensuring uninterrupted router operation if one supply fails.
Q
Which Cisco ASR 900 models are compatible with the A900-PWR550-D?
A
The A900-PWR550-D is compatible with all Cisco ASR 900 platform variants, including ASR 903, ASR 907, ASR 920, ASR 930, and ASR 9001 models.
Q
What are the physical dimensions of the A900-PWR550-D?
A
The module measures 2.5 cm (H) × 8.0 cm (W) × 22.0 cm (D) and weighs approximately 0.9 kg, fitting standard ASR 900 chassis slots.
Q
Does the A900-PWR550-D include built-in cooling and monitoring?
A
Yes. It features integrated temperature sensors, fan control logic, and front-panel LED indicators for real-time status monitoring.
Q
What operating temperature range does the A900-PWR550-D support?
A
It is rated for 0 °C to 40 °C (32 °F to 104 °F) ambient temperatures, meeting Cisco environmental standards for indoor deployments.
Q
Which certifications and safety standards does this power supply meet?
A
The A900-PWR550-D complies with UL 60950-1, IEC 60950-1, EN 55022, and RoHS, ensuring global safety and electromagnetic compatibility.
Q
Does Cisco provide a warranty for the A900-PWR550-D?
A
Yes. Cisco offers a one-year limited hardware warranty, with options to extend coverage through Cisco SMARTnet® service.
Q
How do I install the A900-PWR550-D in my ASR 900 chassis?
A
To install, slide the module into an empty power bay, press until it clicks, connect the DC input cables, and verify LED status on the front panel.
Q
Can I use third-party DC cables with the A900-PWR550-D?
A
Cisco recommends using certified Cisco DC power cables to guarantee proper fit, electrical performance, and compliance with safety standards.
Q
What status indicators are available on the A900-PWR550-D?
A
Front-panel LEDs display Power-OK (green), Fault (red), and AC/DC presence, enabling quick visual confirmation of module health.
Q
How do I troubleshoot a power-supply fault on the A900-PWR550-D?
A
Check LED status, verify DC input voltage, reseat the module, and consult the ASR 900 CLI ‘show power’ command for diagnostic details.
Q
Where can I purchase genuine Cisco A900-PWR550-D modules?
A
You can buy directly from Cisco’s authorized resellers or the Cisco online store to ensure authenticity, warranty, and support.


