


Be Quiet! Straight Power 11 850W Fully Modular 80+ Gold PSU
£152.32
Discover best-of-class airflow and virtually inaudible operation with Be Quiet Straight Power 11 850W. Get exceptional power & make it yours now!
Out of stock
Elevate Your System: Be Quiet! Straight Power 11 850W Fully Modular 80+ Gold PSU
Unmatched Silence, Unparalleled Efficiency
The Be Quiet Straight Power 11 850W is a quiet and powerful PSU. It has amazing features that make it efficient and reliable. Let’s see what makes this PSU stand out from the rest.
Virtually Inaudible Operation with SilentWings® 3 Fan
The PSU has a Silent Wings® 3 fan. It is a 135mm fan that is very quiet. It has a special fan blade, a smooth bearing, and a 6-pole motor. It makes no noise and has great airflow. It uses very little power.
Funnel-Shaped Fan Opening for Enhanced Cooling
The funnel-shaped fan inlet of the Straight Power 11 850W increases air throughput, leading to higher cooling performance. This innovative design ensures optimal cooling without compromising on silence.
Wire-Free Design Inside The PSU
An absolute innovation, the Straight Power 11 850W is wire-free on the DC side inside the PSU body. This groundbreaking design not only improves cooling airflow but also reduces signal disturbance, pushing the lifetimes of components to the maximum.
Fully Modular Cable Management for Utmost Convenience
The PSU has fully modular cables. It only uses the cables it needs, so it looks neat. It is easy to install and has good airflow. It is quiet and cool inside the case.
80PLUS® GOLD Certified for Impressive Efficiency
The Straight Power 11 850W is 80PLUS® Gold certified. It is up to 93.4% efficient. It uses less power, so it is cooler and quieter. It is very good for high-performance systems.
High-Class Technologies for Future Compatibility
The PSU has LLC and SR, which make it stable and efficient. It also has DC-to-DC conversion, which keeps the voltage steady even when the load changes. It works well with the latest processors and graphics cards.
Japanese 105° Capacitors: A Mark of Quality
Only the best components find their place in the Straight Power 11 850W. High-quality Japanese capacitors, rated to 105°C, deliver stability, reliability, and a long operating life.
Specifications:
- Form Factor: ATX
- Modular: Fully Modular
- Series: Be Quiet! Straight Power 11
- Compatibility: ATX 12V 2.4 & EPS 12V 2.92
- Wattage: 850 W
Connectors:
- 1 x ATX-Motherboard (20+4-pin)
- 1 x P8 (CPU)
- 1 x P4+4 (CPU)
- 4 x PCI-E 6+2-pin (GPU)
- 4 x PATA 4-pin
- 11 x SATA 15-pin (HDD, Drives)
- 1 x FDD (Floppy)
- 4 x Mainboard connector (PATA 4-pin)
- Rail Design: Quad 12V
- AC Input: AC 100-240 V
- PFC: Active PFC
- Fan Type: SilentWings 3 fan (fluid-dynamic bearing)
- Fan Bearing: Fluid / Hydraulic Bearing
Noise:
- dB(A) at 20% load: 9.71
- dB(A) at 50% load: 10.61
- dB(A) at 100% load: 24.98
- 80 Certification: 80 Gold
- Efficiency: Up to 93.4%
- MTBF: 100,000 hours
Protection:
- Over Current
- Overvoltage
- Under voltage
- Short circuit
- Over Temperature
- Overpower
Weight/Dimensions: 1.8 kg, 170 x 150 x 86 mm
Package Weight: 3.6200 kg
Warranty: 5 Years
To sum up, the Be Quiet! Straight Power 11 850W is a great PSU. It is quiet, efficient, and advanced. It is perfect for systems that need the best quality.
MPN |
BN284 |
---|---|
Brand |
be quiet! |
GTIN (EAN): |
4260052185797 |
Wattage |
600w |
80 Plus Rating |
80 Plus Gold |
Cable Type |
Fully Modular |
PCIe 5.0 / ATX 3.0 |
No |
Shipping Options
Standard Shipping (Mainland UK)
Priority Next Day Shipping (Mainland UK)
Northern Ireland
Scottish Highlands and Outlying areas

Delivery Method
We usually use DPD, TNT, DHL and Royal Mail for Mainland UK addresses.
TRACKING
Once dispatched, you will receive an email with your tracking details in which you can check the status of your delivery. You’ll need to sign for the delivery, so please keep track of the delivery date.
DAMAGED IN TRANSIT
We ship all products in unopened boxes directly as received from our manufacturer in brand new and in perfect condition.
If you should receive a product that has been damaged while in transit please reach out to us here within 2 Days and we will certainly be able to address your concerns.
If you notice damage please sign for delivery with caution as if signed and received in good condition, it could invalidate further claims.
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