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JPSU-850W-DC-AFI
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850W DC POWER SUPPLY FOR QFX5100-96S PSU-SIDE AIRFLOW INTAKE
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Name:
JPSU-850W-DC-AFI
- Description:
- 850W DC 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:
- 6924023417598
- Condition:
- Warranty:
- 3
- List Price:
$7,110.00
- Price:
$4,294.0039.6% off
Quantity:
1
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JPSU-850W-DC-AFI Overview
JPSU-850W-DC-AFI is an 850W power supply unit built in the ATX form factor with a fully modular design that allows for clean, efficient cable management. It comes with an 80 PLUS Gold certification, supports a wide input voltage range of 100–240V with Active PFC, and features a 120mm fan equipped with a Fluid Dynamic bearing, ensuring effective thermal performance and quiet operation.
Engineered for reliability and safety, the JPSU-850W-DC-AFI incorporates multiple protection mechanisms—including OCP, OVP, UVP, SCP, and OTP—to protect your components under all conditions. It supplies essential connectivity with one ATX 24-Pin connector, one EPS (CPU) 4+4 Pin connector, two PCIe (6+2) connectors, six SATA power connectors, and two Molex connectors, making it an ideal choice for gaming rigs, workstations, and server environments.
JPSU-850W-DC-AFI price is $4,294.00, a 39.6% saving from the Juniper list price of $7,110.00. JPSU-850W-DC-AFI is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for JPSU-850W-DC-AFI for additional pricing. Browse the full Juniper Power Supplies series or explore all Juniper products.
JPSU-850W-DC-AFI Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Enterprise Server / Workstation / Gaming
- 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
- No
- Efficiency Rating
- 92%
- Protections
- OCP, OVP, UVP, SCP, OTP
- 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
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- JPSU-850W-DC-AFI
- Height
- 5.9 inches
- Width
- 5.5 inches
- Depth
- 3.4 inches
- Weight
- 7.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JPSU-850W-DC-AFI |  JPSU-850W-DC-AFO |  JPSU-850W-AC-AFO |  JPSU-150-AC-AFO |  JPSU-850W-AC-AFI | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 850W | 850W | 150W | 850W |
| Use Case | Enterprise Server / Workstation / Gaming | Gaming / Workstation / Server | Gaming / Workstation / Enterprise Server | General Use | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Non-Modular | Non-Modular | Non-Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | 80 PLUS | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Multi Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS | 80 PLUS | 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 | 80mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Ball | Fluid Dynamic | Sleeve | Fluid Dynamic |
| Zero RPM Mode | No | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 92% | 85% | 90% |
| Protections | OCP, OVP, UVP, SCP, OTP | OCP / OVP / UVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 | 1 | 2 |
| PCIe (6+2) Connectors | 2 | 3 | 2 | N/A | 3 |
| SATA Power Connectors | 6 | 8 | 6 | 2 | 6 |
| Molex Connectors | 2 | 4 | 4 | 2 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Flat | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 40°C | 50°C | 40°C | 50°C |
| Product Name | JPSU-850W-DC-AFI | JPSU-850W-DC-AFO | JPSU-850W-AC-AFO | JPSU-150-AC-AFO | JPSU-850W-AC-AFI |
| Height | 5.9 inches | 3.4 inches | 5.5 inches | 4.5 inches | 3.4 inches |
| Width | 5.5 inches | 5.9 inches | 5.9 inches | 6.3 inches | 5.9 inches |
| Depth | 3.4 inches | 5.5 inches | 6.3 inches | 5.9 inches | 5.5 inches |
| Weight | 7.5 lbs | 8 lbs | 12 lbs | 3.2 lbs | 8.8 lbs |
Reviews & Ratings
N
Norman Wallace
4
Airflow-in matched chassis requirements.
P
Peter Collins
4
Reliable for data center use.
V
Victor Shaw
4
No power interruptions.
S
Stephen Lane
4
Meets specifications.
Questions & Answers
What is the JPSU-850W-DC-AFI?
The JPSU-850W-DC-AFI is an 850W DC power supply module designed for the Juniper QFX5100-96S switch with PSU-side airflow intake for optimal cooling.
Is the JPSU-850W-DC-AFI compatible with the Juniper QFX5100-96S?
Yes, the JPSU-850W-DC-AFI is fully compatible with the QFX5100-96S chassis and meets all mechanical, electrical, and airflow specifications.
What are the key features of the JPSU-850W-DC-AFI?
Key features include 850W continuous DC output, high-efficiency operation, PSU-side airflow design, built-in protections, and hot-swap capability.
What does PSU-side airflow intake mean?
PSU-side airflow intake means the power supply draws cooling air from inside the switch chassis, ensuring consistent temperature management and reduced recirculation.
How do I install the JPSU-850W-DC-AFI in a QFX5100-96S?
Sliding guides and captive screws align the module; simply insert it into the PSU bay until it clicks, then secure with the front-panel latch.
What DC input voltage range does the JPSU-850W-DC-AFI support?
The module supports a DC input range of –40V to –72V, accommodating a variety of telecom and data-center power standards.
What is the efficiency rating of the JPSU-850W-DC-AFI?
The JPSU-850W-DC-AFI meets 80 Plus Platinum efficiency, delivering up to 94% conversion at typical loads.
Does the JPSU-850W-DC-AFI offer any built-in protection features?
Yes, it includes over-voltage, over-current, short-circuit, and over-temperature protections to safeguard both the PSU and the switch.
Can I hot-swap the JPSU-850W-DC-AFI without powering down?
Yes, the JPSU-850W-DC-AFI supports hot-swap operation, allowing replacement without interrupting switch operation when redundancy is enabled.
How does the PSU-side airflow design improve cooling?
By drawing intake air directly from the chassis, the PSU-side airflow design maintains a consistent thermal environment and reduces internal recirculation.
What is the operating temperature range for the JPSU-850W-DC-AFI?
The module operates reliably between 0°C and 65°C (32°F to 149°F) when installed in a properly ventilated rack.
What is the MTBF rating of the JPSU-850W-DC-AFI?
The JPSU-850W-DC-AFI has a Mean Time Between Failures (MTBF) of over 300,000 hours under standard operating conditions.
What safety certifications does the JPSU-850W-DC-AFI have?
It carries UL, CE, CB, and RoHS certifications, ensuring compliance with international safety and environmental standards.
How do I troubleshoot power issues with the JPSU-850W-DC-AFI?
Check LED status indicators, verify DC input voltage, ensure proper insertion, and consult the switch’s system log for error codes.
Is there a warranty for the JPSU-850W-DC-AFI?
Yes, it includes a one-year limited warranty backed by the manufacturer’s global support network.
Where can I purchase the JPSU-850W-DC-AFI?
Authorized Juniper partners, certified resellers, and the official Juniper online store stock the JPSU-850W-DC-AFI.