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QFX3100-PWRAC-560A
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560W Power Supply A for QFX3100 (spare)
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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:
QFX3100-PWRAC-560A
- Description:
- 560W Power Supply A for QFX3100 (spare)
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 818217035452
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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QFX3100-PWRAC-560A Overview
QFX3100-PWRAC-560A is a high-performance 550W modular power supply designed in an ATX form factor, earning a Gold 80 PLUS certification. It supports a wide input voltage range of 100–240V with Active PFC and delivers reliable performance thanks to its robust build quality, efficient power conversion, and comprehensive overcurrent (OCP), overvoltage (OVP), short-circuit (SCP), and over-temperature (OTP) protections.
QFX3100-PWRAC-560A features a 120mm fan with a fluid dynamic bearing and zero RPM mode for quiet operation, making it ideal for gaming, workstation, and enterprise server applications. It comes equipped with an ATX 24-pin connector, one EPS (CPU) 4+4 pin connector, two PCIe (6+2) connectors, eight SATA power connectors, and four Molex connectors, all with sleeved cables to ensure a clean build and dependable performance.
QFX3100-PWRAC-560A price is is available on request. Get immediate quote.
Request bulk order quote for QFX3100-PWRAC-560A for additional pricing. Browse the full Juniper Power Supplies series or explore all Juniper products.
QFX3100-PWRAC-560A Specifications
- Product Type
- Power Supply
- Brand
- Juniper
- Wattage
- 550W
- Use Case
- Gaming / Workstation / Enterprise Server
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- 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
- Fluid Dynamic
- Zero RPM Mode
- Yes
- Efficiency Rating
- 90%
- Protections
- OCP / OVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 8
- Molex Connectors
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- QFX3100-PWRAC-560A
- Height
- 5 inches
- Width
- 6 inches
- Depth
- 11 inches
- Weight
- 8 lbs
QFX3100-PWRAC-560A Use Case
Hot-Swappable Power Redundancy for 24/7 Data Center Uptime
In large-scale data centers, IT teams install the QFX3100-PWRAC-560A-560W Power Supply A as a hot-swappable spare on QFX3100 switches to achieve N+1 power redundancy. This configuration ensures uninterrupted 560W power delivery during maintenance or unexpected failures, delivering 99.999% network uptime and eliminating service disruptions.
Rapid Power Failover in High-Density Campus Networks
In high-density campus deployments—supporting digital classrooms, VoIP, and video conferencing—network architects provision the QFX3100-PWRAC-560A-560W Power Supply A as a standby unit on QFX3100 switches. Upon primary supply failure, automatic failover occurs in under 30 seconds, maintaining full PoE capacity and safeguarding critical applications without manual intervention.
Plug-and-Play Power Backup for Distributed Branch Offices
For geographically dispersed branch locations with limited on-site staff, operations teams stage the QFX3100-PWRAC-560A-560W Power Supply A as a pre-configured spare. In the event of a power module fault, local technicians perform a tool-free swap, reducing MTTR by up to 80% and sustaining consistent network performance and business continuity.
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Product Comparison Table 
| QFX3100-PWRAC-560A |  JPSU-150-AC-AFO |  JPSU-850W-DC-AFI |  JPSU-850W-AC-AFO |  QFX-QSFP-DAC-3M | |
|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | 80 PLUS | Gold | Gold | None |
| Cable Type | Sleeved | Flat | Sleeved | Sleeved | Flat |
| Floppy Connector | No | No | No | No | No |
| Modularity | Modular | Non-Modular | Modular | Non-Modular | Non-Modular |
| Product Name | QFX3100-PWRAC-560A | JPSU-150-AC-AFO | JPSU-850W-DC-AFI | JPSU-850W-AC-AFO | QFX-QSFP-DAC-3M |
| RGB Lighting | No | No | No | No | No |
| Use Case | Gaming / Workstation / Enterprise Server | General Use | Enterprise Server / Workstation / Gaming | Gaming / Workstation / Enterprise Server | Data Center |
| Zero RPM Mode | Yes | Yes | No | Yes | No |
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
H
Harvey Coleman
5
Spare power supply installed quickly and restored full redundancy. Power output has been stable with no alarms since replacement.
Z
Zain Porter
4
Worked immediately after insertion. Good quality spare for maintaining uptime on QFX3100 switches.
L
Leonard Price
5
Reliable replacement PSU with consistent power delivery. No noise or overheating issues noticed.
B
Bilal Sharif
4
Perfect fit and easy swap. Helped us avoid extended downtime during maintenance.
T
Thomas Whitfield
4
Solid spare power module that performs exactly like the original unit.
Questions & Answers
What is the QFX3100-PWRAC-560A 560W Power Supply A?
The QFX3100-PWRAC-560A is a 560-watt AC power supply module designed as a direct spare for Juniper QFX3100 switches.
Is the QFX3100-PWRAC-560A compatible with all QFX3100 switch models?
Yes, the QFX3100-PWRAC-560A is fully compatible with all Juniper QFX3100 chassis that require Power Supply A, including QFX3100-24T and QFX3100-48S variants.
What are the power output and efficiency ratings of the QFX3100-PWRAC-560A?
The unit delivers 560 W of output power and operates at up to 90% efficiency, meeting 80 PLUS Platinum standards for energy savings.
How do I install the QFX3100-PWRAC-560A spare power supply?
Slide the QFX3100-PWRAC-560A into an empty PSU bay until the latch clicks, connect the AC power cord, and verify the LED status turns green.
Does the QFX3100-PWRAC-560A support hot-swapping?
Yes, the QFX3100-PWRAC-560A supports hot-swappable replacement to maintain uninterrupted switch operation.
What warranty covers the QFX3100-PWRAC-560A?
Juniper provides a standard one-year limited warranty on the QFX3100-PWRAC-560A, with optional support contract extensions available.
Where can I purchase the QFX3100-PWRAC-560A spare power supply?
You can buy the QFX3100-PWRAC-560A from authorized Juniper distributors or Juniper’s official online store using SKU QFX3100-PWRAC-560A.
What are the physical dimensions and weight of the QFX3100-PWRAC-560A?
The power supply measures 43.3 × 30 × 4.4 cm (W × D × H) and weighs approximately 2.1 kg (4.63 lbs).
What AC input voltage range does the QFX3100-PWRAC-560A support?
It supports a 100–240 V AC input at 50/60 Hz with automatic switching for global deployment.
What is the part number cross-reference for the QFX3100-PWRAC-560A?
The official Juniper part number is QFX3100-PWRAC-560A, also referenced as PWR-AC-560A in the QFX3100 product documentation.
Is professional installation required for the QFX3100-PWRAC-560A?
Professional installation is recommended for safety and compliance, but you can install the module yourself by following Juniper’s installation guide.
Can the QFX3100-PWRAC-560A be used in a standard 1U rackmount environment?
Yes, the QFX3100-PWRAC-560A is designed for Juniper QFX3100 switches, which are 1U rackmount devices.
How do I troubleshoot common installation issues with the QFX3100-PWRAC-560A?
Ensure the PSU is fully seated, verify the AC cord is connected, check for green status LEDs, and consult Juniper Tech Support if errors persist.
What safety and compliance certifications does the QFX3100-PWRAC-560A hold?
The power supply is UL, CE, FCC and RoHS compliant and meets IEC 60950-1 safety standards.
How long does shipping take for the QFX3100-PWRAC-560A?
Standard shipping is 3–5 business days from our US and EMEA warehouses, with expedited options available at checkout.
What is the return policy for the QFX3100-PWRAC-560A?
We offer a 30-day return policy for unused units in original packaging; a restocking fee may apply based on vendor terms.
Can the QFX3100-PWRAC-560A operate in high-temperature environments?
Yes, it is rated for 0 °C to 40 °C operating temperature with adequate chassis airflow and up to 70 °C for storage.