United States$5,000,000+
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H
Harvey Collins
4
Plenty of power headroom for high density switches.
JPSU-850W-AC-AFI
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850W AC POWER SUPPLY FOR QFX5100-96S PSU-SIDE AIRFLOW INTAKE
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Name:
JPSU-850W-AC-AFI
- Description:
- 850W AC POWER SUPPLY FOR QFX5100-96S PSU-SIDE AIRFLOW INTAKE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 6924023180966
- Condition:
- Warranty:
- 3
- List Price:
$2,675.00
- Price:
$1,613.0039.7% off
Quantity:
1
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JPSU-850W-AC-AFI Overview
JPSU-850W-AC-AFI is an 850W ATX power supply featuring a fully modular design that simplifies cable management and installation in high-performance gaming and workstation systems. It offers an 80 PLUS Gold certification with a universal input voltage of 100–240V and active PFC, ensuring efficient power conversion and stable operation in demanding environments.
This robust unit is equipped with a 120mm fan utilizing a fluid dynamic bearing for low noise and extended longevity, and it provides comprehensive protections including OCP, OVP, UVP, SCP, and OTP. With a complete set of connectors—1 ATX 24-pin, 2 EPS (CPU) 4+4 pin, 3 PCIe (6+2) connectors, 6 SATA power connectors, and 4 Molex connectors—JPSU-850W-AC-AFI is engineered for reliability and is ideally suited for gaming, workstation, and high-performance computing setups.
JPSU-850W-AC-AFI price is $1,613.00, a 39.7% saving from the Juniper list price of $2,675.00. JPSU-850W-AC-AFI is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for JPSU-850W-AC-AFI for additional pricing. Browse the full Juniper Power Supplies series or explore all Juniper products.
JPSU-850W-AC-AFI Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming / Workstation
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Multi 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 / UVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 2
- PCIe (6+2) Connectors
- 3
- SATA Power Connectors
- 6
- 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
- JPSU-850W-AC-AFI
- Height
- 3.4 inches
- Width
- 5.9 inches
- Depth
- 5.5 inches
- Weight
- 8.8 lbs
JPSU-850W-AC-AFI Use Case
High-Density Data Center Redundant Power Architecture
In a large-scale colocation data center, operators deploy the JPSU-850W-AC-AFI-850W AC Power Supply in QFX5100-96S switches to achieve N+1 redundancy. The PSU-side airflow intake design optimizes cooling, reducing fan speed and energy consumption by up to 15%. Outcome: 99.999% network uptime, lower PUE, and predictable operational costs.
Enterprise Campus Backbone Upgrade for Zero-Downtime Networking
During a campus network overhaul, IT teams replace legacy power modules with JPSU-850W-AC-AFI-850W units in QFX5100-96S routers. The AC power supply’s side-airflow intake ensures consistent thermal performance in stacked chassis, simplifying cable management. Outcome: seamless failover, simplified maintenance windows, and a 20% reduction in cooling overhead.
Telecom Edge Point-of-Presence Resilience and Efficiency
At remote telecom PoPs, field technicians install the JPSU-850W-AC-AFI-850W AC power supply in QFX5100-96S to support critical routing services under harsh environmental conditions. The PSU-side airflow intake maintains optimal temperatures without additional rack fans. Outcome: improved mean time between failures (MTBF), lower site power bills, and enhanced service reliability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JPSU-850W-AC-AFI |  JPSU-150-AC-AFO |  JPSU-350-AC-AFO |  QFX-QSFP-DAC-3M |  JPSU-400W-AC | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | N/A | Power Supply |
| Wattage | 850W | 150W | 400W | N/A | 400W |
| Use Case | Gaming / Workstation | General Use | Gaming / Workstation / General Use | Data Center | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | N/A | ATX |
| Modularity | Modular | Non-Modular | Non-Modular | Non-Modular | Non-Modular |
| 80 PLUS Certification | Gold | 80 PLUS | Bronze | None | 80 PLUS |
| Rail Configuration | Multi Rail | Single Rail | Single Rail | N/A | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS | N/A | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | N/A | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | N/A | 100–240V |
| Hot-Swap Capable | No | No | No | N/A | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | N/A | Active PFC |
| Fan Size | 120mm | 80mm | 80mm | N/A | 120mm |
| Fan Bearing Type | Fluid Dynamic | Sleeve | Sleeve | N/A | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | No | Yes |
| Efficiency Rating | 90% | 85% | 87% | N/A | 87% |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP / OTP | N/A | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | N/A | 1 |
| EPS (CPU) 4+4 Pin | 2 | 1 | 1 | N/A | 1 |
| PCIe (6+2) Connectors | 3 | N/A | N/A | N/A | 2 |
| SATA Power Connectors | 6 | 2 | 2 | N/A | 4 |
| Molex Connectors | 4 | 2 | 1 | N/A | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Flat | Flat | Flat | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 100,000 hours | 100,000 hours | N/A | 100,000 hours |
| Operating Temperature | 50°C | 40°C | 50°C | N/A | 50°C |
| Product Name | JPSU-850W-AC-AFI | JPSU-150-AC-AFO | JPSU-350-AC-AFO Power Supply Unit | QFX-QSFP-DAC-3M | JPSU-400W-AC Power Supply |
| Height | 3.4 inches | 4.5 inches | 3.5 inches | N/A | 3.38 inches |
| Width | 5.9 inches | 6.3 inches | 5.5 inches | N/A | 5.9 inches |
| Depth | 5.5 inches | 5.9 inches | 5.9 inches | N/A | 5.51 inches |
| Weight | 8.8 lbs | 3.2 lbs | 3.5 lbs | N/A | 6.6 lbs |
Reviews & Ratings
M
Michael Jennings
4
Stable and efficient operation.
P
Patrick Stone
5
Good airflow compatibility.
E
Edward Blake
5
Runs reliably in production.
V
Victor Adams
4
Strong PSU performance.
Questions & Answers
What devices is the JPSU-850W-AC-AFI power supply compatible with?
The JPSU-850W-AC-AFI is designed specifically for Juniper QFX5100-96S switches and ensures full compatibility with the PSU-side airflow intake configuration.
What is the input voltage range for the 850W AC Power Supply?
The input voltage supports 100–240 VAC, 47–63 Hz, making it compatible with global power standards.
Does the JPSU-850W-AC-AFI support hot-swap functionality?
Yes, the unit is hot-swappable, allowing replacement or maintenance without powering down the Juniper QFX5100-96S switch.
What is the airflow direction of this power supply?
The JPSU-850W-AC-AFI features PSU-side intake airflow, drawing cool air from inside the chassis and exhausting it out the rear.
What efficiency rating does this power supply have?
This 850W AC power supply is certified for 80 PLUS Platinum efficiency, ensuring up to 92% energy conversion and reduced waste heat.
Can I use this power supply in redundant configurations?
Yes, the JPSU-850W-AC-AFI supports N+1 and N+N redundancy setups to maximize uptime and system availability.
What safety and compliance certifications does the JPSU-850W-AC-AFI hold?
The unit is UL, CE, FCC, and RoHS compliant, meeting global safety and environmental standards.
What is the mean time between failures (MTBF) for this PSU?
The JPSU-850W-AC-AFI has an MTBF of over 200,000 hours at 25 °C ambient temperature.
What are the dimensions and weight of the power supply?
The unit measures 170 mm x 81 mm x 40 mm and weighs approximately 1.2 kg.
How do I install the JPSU-850W-AC-AFI in my chassis?
Slide the PSU into the designated hot-swap bay until it clicks, then secure it with the top latch and connect the AC power cord.
Can this power supply operate in high-temperature environments?
Yes, it operates reliably between 0 °C and 55 °C ambient temperature.
What indicator lights are available on the PSU?
The power supply has front-panel green LEDs for AC presence and output status, plus amber LEDs for fault alerts.
Is a power cord included with the JPSU-850W-AC-AFI?
No, the AC power cord is sold separately to accommodate regional plug types and voltage requirements.
What warranty covers the 850W AC Power Supply?
Juniper offers a limited lifetime warranty on all hardware power supplies when used in supported chassis.
How do I troubleshoot power-on failures?
Ensure the AC cable is secure, verify inlet airflow is clear, confirm voltage compatibility, and check LED status for fault codes.
Where can I purchase genuine Juniper JPSU-850W-AC-AFI units?
Authorized Juniper resellers and the Juniper Networks Online Store offer genuine JPSU-850W-AC-AFI power supplies.