be quiet!
be quiet! Straight Power 11 750W Platinum
Best high-efficiency power supply for quiet, high-performance gaming builds.
The be quiet! Straight Power 11 Platinum 750W is a high-performance power supply unit engineered for demanding gaming computer builds. This fully modular PSU ensures efficient power delivery and simplifies cable management. While the original packaging might exhibit minor cosmetic wear, the power supply itself is new and unused, guaranteeing reliable and optimal performance for your system. It stands as an ideal choice for gamers seeking dependable and quiet power.
$159.99
Owner Satisfaction
4.7
/ 5
Category Rank
19
/ 1062
#19 in Computer Power Supplies
Price vs Category Average
-83%
Below average
Wattage
750
/ W
Who it's for
- System builders wanting easier cable management and long-term component reliability
- Eco-conscious users looking to lower electricity bills and heat output
- Quiet-computing enthusiasts prioritizing a silent workspace environment
Who should skip it
- Aesthetic-focused builders desiring premium individually sleeved cables
- Budget-focused shoppers seeking the best value per watt
- Users prioritizing long-term manufacturer support and extended protection
Performance breakdown
Energy Efficiency
Platinum certification ensures minimal power waste during intensive gaming sessions.
Acoustic Performance
Virtually silent operation keeps your gaming environment peaceful and distraction-free.
Cable Management
Fully modular design allows for a clean, clutter-free internal build.
Power Stability
Active PFC provides consistent, reliable voltage for high-end gaming components.
Build Quality
Robust construction ensures long-term durability for demanding hardware configurations.
Installation Ease
Intuitive modular layout makes the setup process straightforward for most builders.
Key Specs
Wattage
750W
Efficiency Rating
80 Plus Platinum
Modularity Type
Fully Modular
ATX Version
ATX 2.4
Power Factor Correction Type
Active PFC
Category
Electronics > Computer Components & Parts > Computer Power Supplies
Features
- Fully modular for easy setup
- New and unused condition
- High wattage for gaming PCs
- Reliable and efficient power
- Platinum efficiency rating
- Quiet operation
What customers say
Users overwhelmingly praise the be quiet! Straight Power 11 750W Platinum for its exceptional quiet operation, often noting it is virtually inaudible even under load. This silence, combined with the celebrated Platinum efficiency, results in cooler, more energy efficient systems. The fully modular design simplifies installation and cable management significantly. Customers consistently highlight the robust build quality and reliable power delivery, reinforcing a strong sense of long term dependability. While priced higher, the consensus is that the investment is fully justified by the superior performance and unparalleled quiet experience. This power supply is highly recommended for builders prioritizing silence and efficiency.
Know before you buy
The 80 Plus Platinum certification indicates that this power supply operates at a very high efficiency level, typically reaching up to 94%. This means less energy is wasted as heat, which can lead to lower power consumption and reduced electricity costs over time compared to lower-rated units.
A fully modular design allows you to attach only the cables you actually need for your specific components. This significantly reduces cable clutter inside your case, which improves airflow and makes the overall build process much cleaner and easier to manage.
750W is a versatile sweet spot for most high-performance gaming builds, providing ample headroom for a modern CPU and a powerful dedicated graphics card. It is generally sufficient for single-GPU systems, though you should verify the specific power requirements of your chosen components.
The brand is known for its focus on acoustic engineering, utilizing a high-quality, virtually inaudible fan that maintains low noise levels even under load. It is an excellent choice if you are building a system where minimizing fan noise is a priority.
No, the performance and internal components are brand new and unaffected by the exterior packaging condition. The unit is fully functional and engineered to meet the same high standards as any other new power supply.
Still have a question?
Ask Hayley anything about this product before you decide.