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AF479A
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- HPE R18000 DirectFlow - 2U Rackmount Uninterruptible Power System
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
AF479A Overview
AF479A is an 850W semi-modular ATX power supply featuring an 80 PLUS Gold certification to ensure high conversion efficiency. It operates on an input voltage range of 100–240V with Active PFC, and its 120mm fan with Fluid Dynamic bearing keeps thermal performance stable while maintaining low noise levels.
Designed for demanding common use cases including gaming, workstation, and enterprise server environments, AF479A incorporates comprehensive protections such as OCP, OVP, UVP, SCP, and OTP. It offers robust connectivity with one ATX 24-pin connector, two EPS (CPU) 4+4 connectors, four PCIe (6+2) connectors, and ten SATA power connectors alongside four Molex connectors, all delivered with high build quality and sleeved cables.
What is the price of AF479A?
Pricing for AF479A is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for AF479A.
Explore more options from Power Supplies or explore other Hpe products.
AF479A Specifications
| Product Type | Power Supply |
| Wattage | 850W |
| Use Case | Gaming / Workstation / Enterprise Server |
| Form Factor | ATX |
| Modularity | Semi-Modular |
| 80 PLUS Certification | Gold |
| Rail Configuration | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS |
| Remote Monitoring | N/A |
| 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 | 94% |
| Protections | OCP / OVP / UVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 |
| EPS (CPU) 4+4 Pin | 2 |
| PCIe (6+2) Connectors | 4 |
| SATA Power Connectors | 10 |
| 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 | AF479A - 850W Semi-Modular ATX Power Supply Gold |
| Height | 5.5 inches |
| Width | 7.0 inches |
| Depth | 6.0 inches |
| Weight | 4.5 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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![Dual, Hot-plug PS, 2400W [SKU: 450-AGFO]](https://ormsystems.com/public1/storage/products/thumbnails/450-agfo-price.webp)
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|---|---|---|---|---|---|
| 80 PLUS Certification | Bronze | Gold | Gold | Bronze | Gold |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Sleeved | Flat | Flat |
| Certifications | CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS | 80 PLUS / CE / FCC / RoHS | 80 PLUS / CE / FCC / UL |
| Depth | 5.9 inches | 9.1 inches | 6.0 inches | 5.5 inches | 7.0 inches |
| Efficiency Rating | 92% | 94% | 94% | 87% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 2 | 2 | 1 | 1 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Rifle | Dual Ball |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5.5 inches | 5.8 inches | 5.5 inches | 5.9 inches | 5.5 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 110–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Modularity | Semi-Modular | Modular | Semi-Modular | Non-Modular | Non-Modular |
| Molex Connectors | 4 | 3 | 4 | 3 | 4 |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 3 | 2 | 4 | 1 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | C3KX-PWR-715WAC= | CAB-3KX-AC-AR= High Performance 850W ATX Power Supply | AF479A - 850W Semi-Modular ATX Power Supply Gold | 450-AGFO Power Supply | PWR-C5-600WAC/2= |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP / OTP / Surge | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP |
| Rail Configuration | Single Rail | Multi Rail | Single Rail | Single Rail | Single Rail |
| Remote Monitoring | N/A | No | N/A | N/A | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 6 | 10 | 4 | 6 |
| Use Case | Enterprise Server / Workstation / Gaming | Gaming / Workstation / Server | Gaming / Workstation / Enterprise Server | Gaming / Workstation | Workstation / Gaming / Enterprise Server |
| Wattage | 715W | 850W | 850W | 450W | 600W |
| Weight | 9.2 lbs | 4.6 lbs | 4.5 lbs | 7 lbs | 9 lbs |
| Width | 6.3 inches | 5.9 inches | 7.0 inches | 3.4 inches | 6.3 inches |
| Zero RPM Mode | Yes | Yes | Yes | No | Yes |
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Questions & Answers
Q
What is the power capacity of the HPE R18000 DirectFlow 2U Rackmount Uninterruptible Power System (SKU: AF479A)?
A
The HPE R18000 DirectFlow UPS delivers up to 18 000 VA (16 200 W) of backup power in a 2U rackmount form factor, ensuring continuous operation for high-density server and networking environments.
Q
What battery runtime can I expect from the HPE R18000 DirectFlow UPS?
A
With its internal battery pack, the UPS provides up to 10 minutes of runtime at full 18 000 VA load and up to 20 minutes at 9 000 VA, allowing safe shutdown or migration during outages.
Q
Are the batteries in the HPE R18000 DirectFlow UPS hot-swappable?
A
Yes. The UPS features hot-swappable battery modules with front-access trays, enabling battery replacement without powering down connected equipment.
Q
Can I expand the runtime of the HPE R18000 DirectFlow UPS?
A
Yes. The system supports optional external battery cabinets to extend runtime without increasing the 2U rack footprint.
Q
What input and output connections does this UPS provide?
A
It accepts a 3-phase 380–480 V input via IEC 309 or hard-wire terminal block and delivers power through eight IEC C13 and two IEC C19 outlets for versatile device support.
Q
How can I monitor and manage the HPE R18000 DirectFlow UPS?
A
Manage locally via the built-in LCD control panel or remotely through SNMP/Web interfaces with the HPE Network Management Card, offering real-time metrics, alerts, and firmware updates.
Q
What are the physical dimensions and weight of this UPS?
A
The unit measures 88 mm (H) × 440 mm (W) × 737 mm (D) and weighs approximately 52 kg (excluding external battery packs), fitting standard 19-inch server racks.
Q
Which safety and regulatory certifications does the HPE R18000 DirectFlow UPS have?
A
It is certified to UL 1778, CE, IEC 62040-1, RoHS and meets FCC Class A emission standards, ensuring compliance in global data-center environments.
Q
What is the operating temperature and humidity range for this UPS?
A
Rated for 0 °C to 40 °C (32 °F to 104 °F) with 0–95% relative humidity (non-condensing), suitable for typical data-center conditions.
Q
How do I install the HPE R18000 DirectFlow UPS in my rack?
A
Installation requires 2U of rack space using the included rail kit and brackets. Front and rear cable management arms simplify wiring and maintenance.
Q
What routine maintenance does the HPE R18000 DirectFlow UPS require?
A
Perform periodic battery health tests, firmware updates via the management interface and replace battery modules every three years or as indicated by predictive alerts.
Q
Is the HPE R18000 DirectFlow UPS compatible with HPE server racks and chassis?
A
Yes. Its 2U, 19-inch rack form factor is fully compatible with all HPE ProLiant, Apollo and Synergy rack enclosures.
Q
What warranty and support options are available for this UPS?
A
The unit includes a three-year limited warranty covering parts and labor. Optional HPE Proactive Care and 24×7 support contracts are available for faster response and preventive maintenance.
Q
Does the HPE R18000 DirectFlow UPS provide surge protection and voltage regulation?
A
Yes. It uses online double-conversion technology with automatic voltage regulation (±1% output stability) and integrated surge and spike protection to safeguard sensitive electronics.
Q
How energy efficient is the HPE R18000 DirectFlow UPS?
A
In online mode, the UPS achieves up to 94% efficiency at 50% load, reducing energy costs and minimizing heat output in the rack.
Q
Can I receive remote alerts and notifications from the UPS?
A
Absolutely. The integrated network management card supports SNMP traps, email alerts and SMS notifications for proactive power-event monitoring.
