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Howard Kemp
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Reliable power supply with stable output.
JPSU-650W-AC-AFI
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650W AC POWER SUPPLY FOR EX4550 AND QFX3500 PSU SIDE AIRFLOW...
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Name:
JPSU-650W-AC-AFI
- Description:
- 650W AC POWER SUPPLY FOR EX4550 AND QFX3500 PSU SIDE AIRFLOW INTAKE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 782062102204
- Condition:
- Warranty:
- 3
- List Price:
$1,860.00
- Price:
$1,123.0039.6% off
Quantity:
1
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JPSU-650W-AC-AFI Overview
JPSU-650W-AC-AFI is a 650W power supply designed to meet the demands of high-performance systems with a focus on reliability and efficiency. It features a semi-modular design in a standard ATX form factor, carries an 80 PLUS Gold certification, supports a wide input voltage range of 100–240V, and utilizes Active PFC for optimal power regulation. The unit is equipped with a 120mm fan using a Fluid Dynamic bearing to ensure lower noise levels and high build quality while providing robust protections including OCP, OVP, UVP, SCP, OTP, and OPP.
This power supply comes with a balanced set of connectors ideal for diverse use cases such as gaming, workstation, and general-purpose applications. It offers one ATX 24-pin connector, one EPS (CPU) 4+4 Pin connector, two PCIe (6+2) connectors for GPUs, six SATA power connectors, as well as two Molex connectors. With impressive efficiency rated at 92% and mixed cable types enhancing both aesthetics and airflow, the JPSU-650W-AC-AFI is engineered for reliable, long-term usage in demanding environments.
JPSU-650W-AC-AFI price is $1,123.00, a 39.6% saving from the Juniper list price of $1,860.00. JPSU-650W-AC-AFI is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for JPSU-650W-AC-AFI for additional pricing. Browse the full Juniper Power Supplies series or explore all Juniper products.
JPSU-650W-AC-AFI Specifications
- Product Type
- Power Supply
- Wattage
- 650W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Semi-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
- 92%
- Protections
- OCP / OVP / UVP / SCP / OTP / OPP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Mixed
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- JPSU-650W-AC-AFI
- Height
- 5.5 inches
- Width
- 5.9 inches
- Depth
- 8.5 inches
- Weight
- 4.5 lbs
JPSU-650W-AC-AFI Use Case
High-Availability Data Center Backbone with JPSU-650W-AC-AFI Power Supply
In a hyperscale data center supporting mission-critical applications, network operators deploy dual JPSU-650W-AC-AFI-650W AC Power Supplies on EX4550 switches. The PSU side-airflow intake design ensures optimal thermal management in dense rack environments. Benefit: Achieves N+1 power redundancy with sub-millisecond failover, maintains 99.999% network uptime, and meets stringent SLA and compliance requirements.
Edge Telecom Site Cooling Optimization Using JPSU-650W-AC-AFI on QFX3500
At remote telecom edge sites with limited airflow, field engineers install the JPSU-650W-AC-AFI-650W AC Power Supply in QFX3500 routers to leverage side-airflow intake. This configuration prevents hot-spot formation in sealed outdoor cabinets. Benefit: Delivers reliable power and consistent cooling under extreme temperature variations, extends hardware lifecycle by 30%, and reduces maintenance dispatch frequency.
Low-Latency Financial Trading Network Powered by JPSU-650W-AC-AFI
In a high-frequency trading firm’s core network, the JPSU-650W-AC-AFI-650W AC Power Supply is integrated into EX4550 switches to support continuous data throughput. The side-airflow intake improves heat dissipation for sustained line-rate performance. Benefit: Minimizes thermal throttling, ensures sub-microsecond packet processing, and upholds regulatory compliance for uninterrupted market feed access.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JPSU-650W-AC-AFI |  QFX-QSFP-DAC-3M |  JPSU-400W-AC |  JPSU-850W-AC-AFI |  JPSU-850W-AC-AFO | |
|---|---|---|---|---|---|
| Product Type | Power Supply | N/A | Power Supply | Power Supply | Power Supply |
| Wattage | 650W | N/A | 400W | 850W | 850W |
| Use Case | Gaming | Data Center | Gaming / Workstation | Gaming / Workstation | Gaming / Workstation / Enterprise Server |
| Form Factor | ATX | N/A | ATX | ATX | ATX |
| Modularity | Semi-Modular | Non-Modular | Non-Modular | Modular | Non-Modular |
| 80 PLUS Certification | Gold | None | 80 PLUS | Gold | Gold |
| Rail Configuration | Single Rail | N/A | Single Rail | Multi Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | N/A | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS |
| Remote Monitoring | No | N/A | No | No | No |
| Input Voltage | 100–240V | N/A | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | N/A | No | No | No |
| PFC (Power Factor Correction) | Active PFC | N/A | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | N/A | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | N/A | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | No | Yes | Yes | Yes |
| Efficiency Rating | 92% | N/A | 87% | 90% | 92% |
| Protections | OCP / OVP / UVP / SCP / OTP / OPP | N/A | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | N/A | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | N/A | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | N/A | 2 | 3 | 2 |
| SATA Power Connectors | 6 | N/A | 4 | 6 | 6 |
| Molex Connectors | 2 | N/A | 2 | 4 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Mixed | Flat | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | N/A | 100,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | N/A | 50°C | 50°C | 50°C |
| Product Name | JPSU-650W-AC-AFI | QFX-QSFP-DAC-3M | JPSU-400W-AC Power Supply | JPSU-850W-AC-AFI | JPSU-850W-AC-AFO |
| Height | 5.5 inches | N/A | 3.38 inches | 3.4 inches | 5.5 inches |
| Width | 5.9 inches | N/A | 5.9 inches | 5.9 inches | 5.9 inches |
| Depth | 8.5 inches | N/A | 5.51 inches | 5.5 inches | 6.3 inches |
| Weight | 4.5 lbs | N/A | 6.6 lbs | 8.8 lbs | 12 lbs |
Reviews & Ratings
M
Michael Thornton
4
Installed easily and runs quietly.
P
Peter Alden
5
Good airflow compatibility with our chassis.
V
Victor Hale
5
No power fluctuations observed.
S
Stephen Carter
4
Dependable PSU for production use.
Questions & Answers
What is the JPSU-650W-AC-AFI power supply?
The JPSU-650W-AC-AFI is a 650 W AC power supply unit with side-airflow intake designed specifically for Juniper EX4550 and QFX3500 switches.
Which Juniper models are compatible with the JPSU-650W-AC-AFI?
This 650 W AC power supply is compatible with Juniper EX4550 and QFX3500 series switches featuring PSU side-airflow intake.
What is the input voltage range for this 650W AC power supply?
The JPSU-650W-AC-AFI accepts a universal AC input from 100 V to 240 V at 50–60 Hz.
Is the JPSU-650W-AC-AFI hot-swappable?
Yes. This AC power supply supports hot-swap installation, allowing replacement without shutting down the switch.
What is the airflow direction of this power supply?
The JPSU-650W-AC-AFI uses side-airflow intake, drawing cool air from the chassis side and exhausting it toward the rear.
What safety certifications does the JPSU-650W-AC-AFI hold?
This unit is UL, CE, FCC, CSA, and TUV certified, ensuring compliance with global safety and performance standards.
What efficiency rating does the JPSU-650W-AC-AFI have?
The power supply meets 80 PLUS Platinum efficiency, delivering up to 92% energy efficiency under typical loads.
What protections are built into the JPSU-650W-AC-AFI?
It features over-voltage, over-current, short-circuit, under-voltage, and over-temperature protection for reliable operation.
How do I install the JPSU-650W-AC-AFI in my switch?
Align the power supply with the chassis slot, slide it in until it clicks, and then connect the AC power cord.
What are the physical dimensions of this power supply?
The unit measures 150 mm x 100 mm x 40 mm (L x W x H), fitting standard Juniper PSU slots.
How much does the JPSU-650W-AC-AFI weigh?
The power supply weighs approximately 1.2 kg (2.65 lbs).
Can I use two JPSU-650W-AC-AFI units for redundancy?
Yes. You can install two units in supported chassis for N+1 or N+N power redundancy.
What is the operating temperature range?
The unit operates reliably between 0 °C and 40 °C ambient temperature.
Is this power supply RoHS compliant?
Yes. The JPSU-650W-AC-AFI is fully RoHS compliant and free of hazardous substances.
Does the JPSU-650W-AC-AFI come with a warranty?
Juniper provides a limited lifetime warranty covering defects in materials and workmanship.
Where can I purchase the JPSU-650W-AC-AFI?
This power supply is available through authorized Juniper resellers and distributors worldwide.