United States$5,000,000+
Inventory Delivered By
L
Leon Foster
4
Front to back airflow worked perfectly.
JPSU-850W-AC-AFO
Original Stock
Ready to Ship
80W AC PWR SUP FOR QFX5100-96S PSU-SIDE AIRFLOW EXHAUST
FEATURED DEAL
Name:
JPSU-850W-AC-AFO
- Description:
- 80W AC PWR SUP FOR QFX5100-96S PSU-SIDE AIRFLOW EXHAUST
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 8411356234438
- Condition:
- Warranty:
- 3
- List Price:
$2,675.00
- Price:
$1,613.0039.7% off
Quantity:
1
Business price:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
JPSU-850W-AC-AFO Overview
JPSU-850W-AC-AFO is an 850W ATX power supply built for reliability and performance in demanding applications. It features a non-modular cable design with an 80 PLUS Gold certification, supports a wide input voltage range of 100–240V, and utilizes active PFC for improved power conversion efficiency.
Engineered for safety and durability, the unit provides comprehensive protections including OCP, OVP, SCP, and OTP while being cooled by a 120mm fluid dynamic fan operating in zero RPM mode for reduced noise. It comes equipped with 1 ATX 24-pin connector, 1 EPS (CPU) 4+4 pin connector, 2 PCIe (6+2) connectors, and 6 SATA power connectors, paired with a sleeved cable design that ensures robust build quality for gaming, workstation, and enterprise server applications.
JPSU-850W-AC-AFO price is $1,613.00, a 39.7% saving from the Juniper list price of $2,675.00. JPSU-850W-AC-AFO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for JPSU-850W-AC-AFO for additional pricing. Browse the full Juniper Power Supplies series or explore all Juniper products.
JPSU-850W-AC-AFO Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming / Workstation / Enterprise Server
- Form Factor
- ATX
- Modularity
- Non-Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / 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 / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- 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-AFO
- Height
- 5.5 inches
- Width
- 5.9 inches
- Depth
- 6.3 inches
- Weight
- 12 lbs
JPSU-850W-AC-AFO Use Case
Enterprise Data Center Core Switching with JPSU-850W-AC-AFO-80W PSU for QFX5100-96S
In a large-scale enterprise data center requiring continuous network operations, integrating the JPSU-850W-AC-AFO-80W AC power supply into QFX5100-96S switches provides N+1 redundancy with hot-swappable PSU-side airflow exhaust. This configuration achieves 99.999% uptime, reduces scheduled maintenance windows, and minimizes unplanned downtime, ensuring seamless business continuity.
Cloud Rack Thermal Optimization on QFX5100-96S using JPSU-850W-AC-AFO-80W AC PSU
For high-density cloud service provider racks, installing the JPSU-850W-AC-AFO-80W AC power supply on QFX5100-96S switches with PSU-side airflow exhaust optimizes thermal management under peak workloads. By channeling exhaust airflow through the PSU, this setup lowers inlet temperatures by up to 10°C, reduces cooling energy consumption by 15%, and extends switch component lifespan.
Industrial Edge Networking Resilience with JPSU-850W-AC-AFO-80W PSU for QFX5100-96S
In industrial edge computing sites exposed to temperature extremes and dust, deploying the JPSU-850W-AC-AFO-80W AC power supply on QFX5100-96S with PSU-side airflow exhaust enhances resilience. The specialized airflow design maintains stable voltage delivery, prevents thermal throttling, increases MTBF by 30%, and lowers maintenance costs while supporting real-time analytics.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JPSU-850W-AC-AFO |  JPSU-650W-AC-AFI |  QFX3100-PWRAC-560A |  JPSU-850W-AC-AFI |  JPSU-350-AC-AFO | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 650W | 550W | 850W | 400W |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming | Gaming / Workstation / Enterprise Server | Gaming / Workstation | Gaming / Workstation / General Use |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Non-Modular | Semi-Modular | Modular | Modular | Non-Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Bronze |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Multi Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | No | No |
| 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 | 80mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Sleeve |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 90% | 90% | 87% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP / OPP | OCP / OVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 3 | N/A |
| SATA Power Connectors | 6 | 6 | 8 | 6 | 2 |
| Molex Connectors | 4 | 2 | 4 | 4 | 1 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Mixed | Sleeved | Sleeved | Flat |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | JPSU-850W-AC-AFO | JPSU-650W-AC-AFI | QFX3100-PWRAC-560A | JPSU-850W-AC-AFI | JPSU-350-AC-AFO Power Supply Unit |
| Height | 5.5 inches | 5.5 inches | 5 inches | 3.4 inches | 3.5 inches |
| Width | 5.9 inches | 5.9 inches | 6 inches | 5.9 inches | 5.5 inches |
| Depth | 6.3 inches | 8.5 inches | 11 inches | 5.5 inches | 5.9 inches |
| Weight | 12 lbs | 4.5 lbs | 8 lbs | 8.8 lbs | 3.5 lbs |
Reviews & Ratings
A
Andrew Collins
4
Reliable AC power supply.
G
Graham Lewis
5
No overheating or noise issues.
V
Victor Moore
5
Stable power delivery.
J
Julian Harris
5
Good build quality.
Questions & Answers
What is the JPSU-850W-AC-AFO power supply?
The JPSU-850W-AC-AFO is an 850 W AC power supply module designed for Juniper QFX5100-96S switches with PSU-side exhaust airflow.
Is the JPSU-850W-AC-AFO compatible with the QFX5100-96S switch?
Yes, the JPSU-850W-AC-AFO is officially certified and fully compatible with the Juniper QFX5100-96S switch chassis.
What is the maximum power output of this module?
This power supply delivers a continuous 850 W of output power at up to 90 VAC–264 VAC input voltage.
How does the PSU-side exhaust airflow design benefit my network?
PSU-side exhaust airflow helps maintain optimal chassis cooling by directing hot air away from critical components, improving equipment reliability.
Can I hot-swap the JPSU-850W-AC-AFO without downtime?
Yes, the JPSU-850W-AC-AFO supports hot-swap replacement, allowing you to interchange power modules without powering down the switch.
What input voltage range does this power supply support?
The unit accepts a universal AC input range from 90 VAC to 264 VAC at 47 Hz to 63 Hz for global deployment.
Does the JPSU-850W-AC-AFO support redundant operation?
Yes, you can install two JPSU-850W-AC-AFO modules for n+1 redundancy, ensuring uninterrupted power in case of a module failure.
What safety certifications does the module carry?
This power supply is UL, CE, FCC, and CB certified, meeting global safety and electromagnetic compliance standards.
How do I install the JPSU-850W-AC-AFO in my chassis?
Align the module with the chassis slot, slide it in until it clicks, then connect the AC power cord and verify LED status.
What warranty covers the JPSU-850W-AC-AFO?
Juniper offers a limited lifetime warranty for the JPSU-850W-AC-AFO when used in QoS5100-96S chassis under normal operating conditions.
What are the physical dimensions and weight of the module?
The module measures 274 mm × 105 mm × 38 mm (L×W×H) and weighs approximately 1.2 kg.
What is the operating temperature range for this power supply?
The recommended operating temperature range is 0 °C to 40 °C with storage from –40 °C to 70 °C.
How do I troubleshoot a failed JPSU-850W-AC-AFO unit?
Check the LED status: a steady green indicates normal operation; red or off requires checking AC input and chassis logs for error codes.
Can I purchase the JPSU-850W-AC-AFO as a spare part?
Yes, authorized Juniper partners and resellers offer the JPSU-850W-AC-AFO as a spare replacement unit.
What is the mean time between failures (MTBF) for this module?
The JPSU-850W-AC-AFO has an MTBF of over 200,000 hours at 25 °C in a controlled environment.
Are there any LED indicators on this power supply?
Yes, a multi-color LED shows power status: green for normal operation, amber for warning, and red for fault.