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ASUS Pro WS 1600W Platinum PSU, 80 PLUS Platinum, Fully Modular, ATX 3.1 Compatible, PCIe 5.1 Ready, 12V-2x6 Gold-Plated Connectors, Support 4-Way Multi-GPU AI Solutions Power Supply
- Heavy-duty PSU: Supports up to two GeForce RTX 5090 graphics cards via rock-solid voltage stability and advanced power delivery.
- Dual-ball fan bearings: Designed to last up to twice as long as sleeve-bearing designs.
- Extruded aluminum heatsinks: Cover critical components, delivering lower temperatures and noise versus reference designs.
- ATX 3.1 compatible: Compliant with the ATX 3.1 standard, ensuring enhanced voltage and current regulation.
- PCIe® 5.1 ready: Features native 12V-2x6 connectors for cutting-edge graphics card power.
- 80 PLUS Platinum certified: Utilizes low-ESR Japanese server grade capacitors and premium components for industry-leading power efficiency.
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ASUS Pro WS 1600W Platinum
The ASUS Pro WS 1600W Platinum PSU is engineered to support up to two GeForce RTX 5090 graphics cards. It also features 80 PLUS Platinum certification, high-performance copper pins, dual-ball fan bearings, etched cables, rock-solid voltage stability and advanced power delivery, making it an ideal choice for AI solutions, deep learning and IT management.
Heavy-Duty Power
Designed to reliably deliver the thousands of watts necessary to power up to two NVIDIA® GeForce RTX 5090 graphics cards, the ASUS Pro WS 1600W Platinum enables breakthrough performance that meets the needs of demanding AI workloads.
Gold-Plated High-Performance Copper Pins
The copper pins of the PCIe® connectors in this PSU have been upgraded with gold plating to help ensure cooler operation and improved power delivery efficiency. This plating translates to a significant reduction in normal 12V-2x6 connector temperatures (up to 10°C), promoting optimal performance and stability for even the most demanding graphics cards. Furthermore, the improved contact between socket pins and connectors reduces resistance and improves durability for connector insertion and removal, ensuring reliable cooling performance.
Protective PCB Coating
All wrapped up
A protective conformal coating envelops the circuit board to help protect against short-circuits caused by moisture, dust or debris. This added layer of protection enhances durability and stability, ensuring reliable performance throughout the PSUs lifespan.
ATX 3.1 Compatible
ATX 3.1 ushers in tighter voltage and current regulation for next-gen hardware and the ASUS Pro WS series is ahead of the curve with full compliance. The 16-pin PCIe cables bundled with the PSU deliver up to 600 watts to PCIe 5.1 graphics cards, readying your build for the graphics cards of tomorrow.
80 Plus Platinum
The ASUS Pro WS Platinum uses low-ESR Japanese server-grade capacitors to ensure efficient operation. This upgrade enables an 80 PLUS Platinum certification, which guarantees 89% efficiency at 100% load and 92% efficiency at 50% load. This increased efficiency results in less heat, reduced fan noise and increased reliability.
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Warranty, Returns, And Additional Information
Warranty
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- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Infinite Energypmax Co., Limited Return Policy
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The ASUS Pro WS 1600W Platinum is a fully modular workstation power supply for high-end AI, rendering, and multi-GPU systems, supporting up to two GeForce RTX 5090 graphics cards with ATX 3.1 compliance, PCIe 5.1 readiness, native 12V-2x6 connectors, and stable high-power delivery.
Recommended For
- AI and machine-learning workstation builders running one or two high-end GPUs, including up to two GeForce RTX 5090 cards, for local model training, inference, or GPU-accelerated development.
- 3D rendering, VFX, simulation, and professional content-creation workstations that sustain heavy CPU-and-GPU loads and benefit from high-capacity, stable power delivery.
- High-end workstation builders who want native ATX 3.1 and PCIe 5.1 support with two 12V-2x6 connectors for current-generation graphics cards.
- Users assembling a large workstation around a dedicated 200–240V circuit, especially Threadripper Pro or similar professional platforms with one or two power-hungry GPUs.
- Workstation builders who need a high-output PSU but have limited PSU depth, since the unit is 175 mm long and shorter than many other 1600W models.
Real-World Use Scenarios
- A user builds a local AI or deep-learning workstation with two GeForce RTX 5090 cards and wants to run model training, inference, or batch processing without relying on multiple consumer PSUs. The likely experience is a cleaner single-PSU build with native 12V-2x6 GPU power connections and enough rated capacity for high-load GPU workloads, assuming the CPU and other components remain within the system's total power budget.
- A professional 3D artist, animator, or visualization specialist uses a dual-GPU workstation for rendering scenes, animations, or complex CAD projects. The likely outcome is stable power delivery during sustained GPU rendering, while the 175 mm chassis length can make installation and cable routing easier than with some larger high-wattage workstation PSUs.
- A workstation builder installs one high-end GPU now but expects to add a second RTX 5090 later. The likely experience is more upgrade flexibility because the PSU already provides two native PCIe 5.1 16-pin connections and a 1600 W power ceiling, reducing the chance of replacing the PSU during the GPU upgrade; the final configuration still requires a compatible motherboard, case, cooling system, and sufficient circuit capacity.
- A user runs long-duration GPU compute, simulation, video-processing, or rendering jobs and wants a PSU designed for sustained workstation loads rather than a short gaming-only build. The likely outcome is a platform with high efficiency certification, thermal components covering key parts, and durability-oriented fan bearings, although actual temperatures and fan noise will depend on system load, airflow, and room conditions.
- A builder assembles a high-end workstation in a compact or space-constrained full tower and needs substantial power without using an unusually long PSU. The likely experience is easier physical installation and potentially simpler cable management because the unit is 175 mm long, but the builder must verify case clearance and account for the PSU's required 200–240 V input range.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | High-power desktop workstations and AI systems with multi-GPU configurations using 200–240 V input |
| Input Power Requirements | Requires a 200–240 V AC input |
Reference Q&A
Q: ASUS Pro WS 1600W Platinum or Corsair HX1500i for a high-end RTX 5090 workstation?
A: Choose the ASUS Pro WS 1600W Platinum when the system may use two RTX 5090-class GPUs, because ASUS positions this model for up to two RTX 5090 cards and provides two native PCIe 5.1 16-pin connectors. Choose the Corsair HX1500i when one high-end GPU is planned and low-load acoustics, digital monitoring, or iCUE control are more important; it provides 1500W, ATX 3.1 certification, a Zero RPM fan mode, and software monitoring. The ASUS unit is also shorter at 175 mm, compared with the HX1500i’s 200 mm length. This is a specification- and positioning-based comparison rather than a direct head-to-head benchmark. ([press.asus.com](https://press.asus.com/news/press-releases/asus-pro-ws-platinum-power-supplies/))
Q: Do I need the ASUS Pro WS 1600W Platinum, or is a 1200W to 1300W PSU enough?
A: A 1200W to 1300W PSU is generally the more suitable configuration for a single-GPU gaming or workstation PC when the system’s calculated peak draw remains below that range. Choose the ASUS Pro WS 1600W Platinum when you need additional capacity for two high-power GPUs, multiple accelerators, heavy CPU workloads, or future expansion. The extra wattage provides power headroom rather than a direct performance increase, so it is most useful for multi-GPU and sustained professional workloads. ASUS specifically positions the 1600W model for up to two RTX 5090 graphics cards. ([press.asus.com](https://press.asus.com/news/press-releases/asus-pro-ws-platinum-power-supplies/))
Q: ASUS Pro WS 1600W Platinum or ASUS Pro WS 2200W Platinum for a multi-GPU AI workstation?
A: Choose the ASUS Pro WS 1600W Platinum for a workstation designed around up to two RTX 5090-class GPUs and a shorter, easier-to-fit PSU. Choose the Pro WS 2200W Platinum when the system requires a higher power ceiling for more demanding multi-GPU configurations or additional expansion headroom. ASUS positions the 1600W model for up to two RTX 5090 cards, while the 2200W model is positioned for up to four RTX 5080 cards. The 2200W model is the higher-capacity choice, but it is unnecessary if the system’s total power requirement fits comfortably within 1600W. ([press.asus.com](https://press.asus.com/news/press-releases/asus-pro-ws-platinum-power-supplies/))
Q: ASUS Pro WS 1600W Platinum or be quiet! Dark Power Pro 13 1600W?
A: Choose the ASUS Pro WS 1600W Platinum when case clearance and native next-generation GPU cabling are priorities: it is 175 mm long, uses ATX 3.1 and PCIe 5.1 compatibility, and includes two PCIe 5.1 16-pin connectors. Choose the be quiet! Dark Power Pro 13 1600W when higher efficiency and acoustic-focused operation are more important; it carries an 80 PLUS Titanium rating, includes native 12V-2x6 support, and uses a 200 mm chassis. Both provide 1600W, so the decision is primarily between the ASUS unit’s shorter workstation-oriented design and the be quiet! model’s Titanium efficiency and noise-focused features. ([asus.com](https://www.asus.com/uk/motherboards-components/power-supply-units/workstation/asus-pro-ws-1600p/techspec/))
Q: Is this 1600W power supply suitable for a dual-GPU AI or workstation build?
A: Yes. It is designed for high-power workstation systems and supports up to two GeForce RTX 5090 graphics cards according to the provided product information. Its 1600W capacity, ATX 3.1 compliance, and native PCIe 5.1 12V-2x6 connectors make it most suitable for multi-GPU AI, rendering, simulation, and other sustained high-load systems rather than ordinary single-GPU PCs.
Q: Can this PSU be used on a standard 120V household circuit?
A: No. The listed input range is 200–240V, so it is not intended for a standard 120V-only household circuit in the United States. Buyers should confirm that their workspace has a compatible 200–240V power connection before purchasing.
Q: Does this power supply include native connectors for modern PCIe 5.1 graphics cards?
A: Yes. It includes native PCIe 5.1 12V-2x6 connectors, avoiding the need to rely solely on older connector standards or GPU power adapters. The product information lists two PCIe 5.1 16-pin connectors, but buyers should still verify the exact cable and connector requirements of each graphics card.
Q: Is this PSU fully modular, and does that help with installation?
A: Yes. It is fully modular, so only the required power cables need to be connected. This can reduce unused cable clutter and make cable routing easier, but the unit is still a high-capacity workstation PSU and may require a case with adequate PSU space and cable-routing room.
Q: Will this power supply be quiet during normal use?
A: It uses a dual-ball-bearing fan and extruded aluminum heatsinks designed for durable cooling and improved thermal management. However, the available specifications do not provide a noise rating or guarantee fanless operation, so it should be chosen for power capacity and workstation reliability rather than assumed silent operation.
Q: Is the ASUS Pro WS 1600W a better choice than a ROG Thor 1600W PSU?
A: Choose the Pro WS 1600W if you prioritize workstation-oriented power delivery, native 12V-2x6 GPU connectivity, and support for up to two RTX 5090 cards. A ROG Thor-type alternative may be preferable if features such as an OLED power display or a confirmed zero-RPM fan mode are more important. The provided product information does not list either feature for the Pro WS 1600W.
Q: Is 1600W enough for a dual-GPU workstation, or should I buy a 2200W model?
A: The ASUS Pro WS 1600W is specified to support up to two GeForce RTX 5090 graphics cards, making it suitable for many dual-GPU workstation configurations. A 2200W unit provides more headroom for a high-power CPU, sustained simultaneous workloads, overclocking, or future upgrades. Confirm the complete system’s expected peak draw before choosing.
Q: Will the ASUS Pro WS 1600W be quiet enough for a workstation build?
A: It includes dual-ball fan bearings and extruded aluminum heatsinks intended to improve durability, cooling, and noise performance. However, the provided specifications do not confirm a zero-RPM mode or provide an independent noise measurement, so noise levels may vary with load and system airflow.
Q: Who is the ASUS Pro WS 1600W designed for?
A: It is best suited to workstation and AI systems with one or two high-end GPUs, especially configurations that benefit from native PCIe 5.1 and 12V-2x6 support. It is generally unnecessary for mainstream gaming PCs or systems whose total power demand is well below 1600W.