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JPSU-850W-DC-AFO
850W DC POWER SUPPLY FOR QFX5100-96S PSU-SIDE AIRFLOW
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
JPSU-850W-DC-AFO delivers a robust 850W output in a reliable ATX form factor with a non-modular design, ensuring straightforward installation and maintenance. It boasts an 80 PLUS Gold certification, a wide input voltage range of 100–240V with Active PFC, and a high-quality 120mm fan utilizing a ball bearing, complemented by multiple protections including OCP, OVP, UVP, and SCP for secure operation.
Engineered for high-performance applications, JPSU-850W-DC-AFO provides versatile connectivity with one ATX 24-pin connector, two EPS (CPU) 4+4 pin connectors, three PCIe (6+2) connectors, eight SATA power connectors, and four Molex connectors. With a 92% efficiency rating, premium sleeved cables, low noise levels supported by a zero RPM mode, and an MTBF of 150,000 hours, this power supply is perfectly suited for gaming, workstation, and server environments.
JPSU-850W-DC-AFO price is $3,670.00, a 39.6% saving from the Juniper list price of $6,075.00. JPSU-850W-DC-AFO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for JPSU-850W-DC-AFO for additional pricing. Browse the full Juniper Power Supplies series or explore all Juniper products.
In ultra-low-latency trading environments, the JPSU-850W-DC-AFO-850W DC power supply delivers 850W of stable DC power to Juniper QFX5100-96S switches with PSU-side airflow. This redundant power setup ensures 99.999% network uptime, minimizes cooling overhead, and accelerates transaction processing, reducing operational risk and supporting real-time market data delivery.
Telecom operators deploy the JPSU-850W-DC-AFO-850W DC power supply to feed QFX5100-96S switches in 5G remote and outdoor shelters. Engineered for PSU-side airflow and extended temperature ranges, it optimizes thermal management, lowers field maintenance, and guarantees continuous backhaul throughput, improving service reliability for latency-sensitive applications.
Manufacturing plants integrate the JPSU-850W-DC-AFO-850W DC power supply with QFX5100-96S switches to power IIoT networks in harsh factory environments. The compact design and efficient PSU-side airflow deliver sustained 850W output, enhance network resilience, and reduce downtime for robotic control and real-time analytics, driving higher throughput and predictive maintenance insights.
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| JPSU-850W-DC-AFO |  JPSU-850W-AC-AFI |  JPSU-350-AC-AFO |  QFX3100-PWRAC-560A |  JPSU-400W-AC | |
|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Bronze | Gold | 80 PLUS |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Flat | Sleeved | Sleeved |
| Certifications | 80 PLUS / CE / FCC / UL / 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 |
| Depth | 5.5 inches | 5.5 inches | 5.9 inches | 11 inches | 5.51 inches |
| EPS (CPU) 4+4 Pin | 2 | 2 | 1 | 1 | 1 |
| Efficiency Rating | 92% | 90% | 87% | 90% | 87% |
| Fan Bearing Type | Ball | Fluid Dynamic | Sleeve | Fluid Dynamic | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 80mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 3.4 inches | 3.4 inches | 3.5 inches | 5 inches | 3.38 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours | 100,000 hours |
| Modularity | Non-Modular | Modular | Non-Modular | Modular | Non-Modular |
| Molex Connectors | 4 | 4 | 1 | 4 | 2 |
| Operating Temperature | 40°C | 50°C | 50°C | 50°C | 50°C |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | JPSU-850W-DC-AFO | JPSU-850W-AC-AFI | JPSU-350-AC-AFO Power Supply Unit | QFX3100-PWRAC-560A | JPSU-400W-AC Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / UVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP |
| RGB Lighting | No | No | No | No | No |
| Rail Configuration | Single Rail | Multi Rail | Single Rail | Single Rail | Single Rail |
| Remote Monitoring | No | No | No | No | No |
| SATA Power Connectors | 8 | 6 | 2 | 8 | 4 |
| Use Case | Gaming / Workstation / Server | Gaming / Workstation | Gaming / Workstation / General Use | Gaming / Workstation / Enterprise Server | Gaming / Workstation |
| Wattage | 850W | 850W | 400W | 550W | 400W |
| Weight | 8 lbs | 8.8 lbs | 3.5 lbs | 8 lbs | 6.6 lbs |
| Width | 5.9 inches | 5.9 inches | 5.5 inches | 6 inches | 5.9 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Front to back airflow suited our racks.
Stable DC power delivery.
Installed without issues.
Reliable PSU option.
Good performance.
The JPSU-850W-DC-AFO is an 850 W DC power supply designed for Juniper QFX5100-96S switches, delivering high-efficiency, PSU-side airflow cooling in a compact hot-swap form factor.
Yes. The JPSU-850W-DC-AFO is fully compatible with Juniper QFX5100-96S chassis, meeting all mechanical, electrical and thermal requirements for seamless integration.
It accepts a -40 to -72 V DC input range (nominal -48 V), ensuring stable operation in telecom and data-center environments.
PSU-side airflow directs intake and exhaust exclusively through the power-supply module, optimizing chassis cooling and reducing system hot spots for reliable operation.
Slide the module into an empty PSU slot until it clicks, secure the latch, and connect the DC input cable. No tools are required for hot-swap installation.
Yes. The JPSU-850W-DC-AFO features full hot-swap support, allowing replacement or addition without powering down the switch.
It delivers up to 94% efficiency at typical load, reducing energy waste and complying with global energy-efficiency standards.
Yes. You can install two units in parallel for N+1 redundancy, ensuring uninterrupted power during module failure or maintenance.
It includes a standardized DC input terminal block and an integrated signal cable for status monitoring via the QFX5100 management plane.
The module measures 41.3 mm (H) x 108 mm (W) x 431 mm (D) and weighs approximately 1.2 kg, fitting standard 1U PSU slots.
The JPSU-850W-DC-AFO operates between 0 °C and 45 °C (32 °F to 113 °F) for optimal performance in data-center environments.
Yes. It is RoHS-compliant and UL/cUL listed, meeting international safety and environmental standards.
The mean time between failures (MTBF) exceeds 200,000 hours, assuring long-term reliability in critical network deployments.
Yes. On-module LEDs display DC input presence and power-good status for quick visual diagnostics.
Juniper provides a one-year limited warranty, including repair or replacement for manufacturing defects under normal operation.
Juniper’s 24/7 technical support is available via the customer portal or by phone, with certified engineers to assist installation and diagnostics.
United States
