be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus Platinum ATX 3.1 Compliant | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518
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AI Verdict
A 1500W 80 PLUS Platinum ATX 3.1 modular power supply with a 135mm Silent Wings fan for high-power, quiet PC builds.
This 1500W 80 PLUS Platinum ATX 3.1 power supply is built for high-end systems with demanding PCIe 5.1 GPUs, offering stable power delivery and quiet operation. Its ability to handle power excursions up to double its rated power makes it suitable for current and future hardware.
If your system doesn't require 1500W or ATX 3.1, look for lower wattage ATX 3.0 PSUs to save on cost.
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Pros
- 93.9% 80 PLUS Platinum efficiency reduces power consumption and heat output.
- ATX 3.1 compliant with two native 12V-2x6 connectors for PCIe 5.1 GPUs.
- Handles power excursions up to double its 1500W rated power for stable operation.
- Virtually inaudible 135mm Silent Wings fan with fluid-dynamic bearing and 6-pole motor.
- Japanese 105°C capacitors ensure stability and are backed by a 10-year warranty.
- Fully modular cables, with lengths up to 100cm, simplify PC building and routing.
Cons
- No significant recurring complaints regarding performance or build quality were identified in user feedback.
Dimension Scores
It achieves 80 PLUS Platinum efficiency (up to 93.9%) and delivers 1500W continuous power, handling double power excursions.
It features a 135mm Silent Wings fan with fluid-dynamic bearing and a 6-pole motor for virtually inaudible operation.
It utilizes Japanese 105°C capacitors, a wire-free DC side, and is backed by a 10-year warranty.
It offers a fully modular design with sleeved cables up to 100cm for convenient routing.
Best For
- Gaming desktops with next-generation PCIe 5.1 graphics cards.
- Systems requiring 1500W continuous power and handling massive power excursions.
- Quiet PC builds where operational noise is a priority.
Not Recommended For
- Budget PC builds not requiring 1500W or Platinum efficiency.
- Small form factor cases due to its standard ATX form factor.
Watch Out For
- No significant recurring issues like coil whine or cable stiffness were reported across user reviews or Reddit discussions.
Full Specifications
| ASIN | B0CC8JMDVH |
| Brand | be quiet! |
| Series | BN518 |
| Wattage | 750 watts |
| Model Name | BN518 |
| Form Factor | ATX 3.0 |
| Item Weight | 9.35 pounds |
| Manufacturer | be quiet! |
| Connector Type | PCI Express |
| Cooling Method | Air |
| Output Wattage | 1500 |
| Item model number | BN518 |
| Compatible Devices | Desktop, Gaming Desktop |
| Product Dimensions | 7.09 x 5.91 x 3.39 inches |
| Power Supply Design | Full Modular |
| Item Dimensions LxWxH | 7.09 x 5.91 x 3.39 inches |
| Item dimensions L x W x H | 7.09 x 5.91 x 3.39 inches |
What Buyers Say
User feedback consistently highlights the quiet operation and robust power delivery of this unit. Many users appreciate its ATX 3.1 compliance and native 12V-2x6 connectors, making it ready for current and future high-end GPUs. The 10-year warranty and Japanese capacitors are frequently mentioned as indicators of its quality.
“Dude, this thing is silent, like, actually silent, and it powers my RTX 4090 without breaking a sweat, finally no more weird cable adapters!”
Common Praise
- Virtually inaudible fan operation even under load.
- Native 12V-2x6 connectors for new PCIe 5.1 graphics cards.
- Stable power delivery with 1500W continuous output.
- Fully modular cables simplify PC building and cable routing.
- Long 10-year warranty provides peace of mind.
Common Complaints
- No significant recurring complaints were identified in the search results.
Ownership Tips
- The cables are long enough for even full-tower cases, making routing easy.
- The fan is genuinely quiet, even when the system is under heavy load.
- The modularity makes initial setup and future upgrades less of a headache.
- The unit runs cool, likely due to its high efficiency and internal design.
Frequently Asked Questions
Is this PSU truly ATX 3.1 compliant?
Yes, current Straight Power 12 models are updated to ATX 3.1, supporting PCIe 5.1 GPUs with native 12V-2x6 connectors.
How quiet is the fan?
It uses a 135mm Silent Wings fan with a fluid-dynamic bearing and 6-pole motor, designed for virtually inaudible operation.
Does it come with all the necessary cables for modern GPUs?
Yes, it includes two native 12V-2x6 connectors for PCIe 5.1 GPUs and four 6+2-pin PCIe connectors for current-gen GPUs.
What is the warranty period?
The Straight Power 12 1500W comes with a 10-year manufacturer's warranty.
Can it handle power spikes from high-end graphics cards?
Yes, it's designed to handle power excursions up to double its 1500W rated power, ensuring stable operation with demanding hardware.
Buying Guide
When picking a power supply, you need to match its wattage to your PC's total power draw, especially your graphics card and CPU. Look for efficiency ratings like 80 PLUS Platinum to ensure less wasted energy and cooler operation. ATX 3.1 compliance and native 12V-2x6 connectors are crucial if you're building with or planning to upgrade to the latest high-power GPUs.
Wattage (1500W)
This is how much power the PSU can deliver. Think of it like the engine size in a car; a higher number means more power for demanding components like high-end graphics cards and CPUs, preventing system instability or shutdowns.
80 PLUS Platinum Efficiency
This certification means the PSU converts at least 90% of the power from your wall into usable PC power, wasting less as heat. It's like getting more miles per gallon, saving you a bit on your electricity bill and keeping your PC cooler.
ATX 3.1 Compliant with 12V-2x6 Connector
This is the latest standard for power supplies, specifically designed for next-generation graphics cards. The 12V-2x6 connector is a dedicated cable that can deliver up to 600W to a single GPU, avoiding the need for multiple adapter cables that can be messy and less reliable.
Modular Cable Management
This means you only plug in the cables you actually need for your components. It's like having custom-fit cables for your car's engine bay instead of a tangled mess, making your PC build cleaner, improving airflow, and simplifying upgrades.
Alternatives
If you don't need 1500W or the latest ATX 3.1 standard, consider power supplies with lower wattage (e.g., 850W-1000W) and 80 PLUS Gold efficiency to reduce cost, ensuring it still has enough PCIe connectors for your specific GPU.
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