be quiet! Straight Power 12 750W Platinum ATX 3.1 PSU BP905UK
be quiet! Straight Power 12 750W 80 PLUS Platinum ATX 3.1 Power Supply
The be quiet! Straight Power 12 750W is a world-class power supply engineered for enthusiasts who demand absolute efficiency, silent operation and long-term reliability. Built to meet the latest ATX 3.1 standard, it delivers Platinum-rated efficiency, native PCIe 5.1 support and exceptional power stability for modern high-performance systems.
Featuring premium Japanese capacitors, advanced full bridge LLC technology and a virtually inaudible Silent Wings fan, Straight Power 12 sets a new benchmark for quiet, future-ready PC power.
Key Features & Benefits
✔ 80 PLUS Platinum efficiency up to 93.8% for reduced power consumption and heat output
✔ Full ATX 3.1 compliance with native 12V-2x6 connector for PCIe 5.1 GPUs
✔ Handles extreme transient power spikes up to twice its rated output
✔ Virtually inaudible Silent Wings 135mm fan for ultra-quiet operation
✔ Funnel-shaped fan intake improves airflow while minimising turbulence
✔ Single high-performance 12V rail delivers clean, stable power
✔ Premium Japanese 105°C capacitors ensure exceptional reliability
✔ Fully modular, sleeved cables for clean and flexible installation
✔ 10-year manufacturer warranty for complete peace of mind
Platinum Efficiency for Quiet, Cool Systems
Straight Power 12 750W achieves 80 PLUS Platinum certification with efficiency levels up to 93.8% at typical loads. This reduces wasted energy, lowers internal temperatures and enables quieter fan operation, making it ideal for high-end gaming PCs and professional workstations.
Future-Proof ATX 3.1 Design
Designed for next-generation hardware, Straight Power 12 fully complies with ATX 3.1 specifications. It includes a native 12V-2x6 connector for PCIe 5.1 graphics cards alongside four PCIe 6+2-pin connectors, ensuring seamless compatibility with both current and future GPUs.
Built for Massive Power Excursions
With a single powerful 12V rail delivering the full 750W, Straight Power 12 handles sudden GPU and CPU power spikes with ease. This ensures stable, reliable operation even during demanding gaming, rendering or compute workloads.
Exceptionally Quiet Cooling Performance
The Silent Wings 135mm fan features optimised blade geometry, advanced bearings and a funnel-shaped PSU intake for maximum airflow at minimal noise levels. Under normal loads, the PSU operates virtually inaudibly while maintaining excellent thermal performance.
Premium Components Throughout
Straight Power 12 is built using high-quality Japanese capacitors rated at 105°C, delivering outstanding electrical stability, long service life and consistent performance under continuous load.
Technical Specifications
Efficiency Certification: 80 PLUS Platinum
ATX Standard: ATX 3.1
Continuous Power: 750W
12V Rail: Single rail
Maximum 12V Power: 750W
Maximum 12V-2x6 Power: 600W
Efficiency at 230V:
2% Load: 65.0%
10% Load: 88.3%
20% Load: 92.6%
50% Load: 93.8%
100% Load: 92.9%
Hold-Up Time: 24.8ms @ 100% load
Power Good Signal: 100–150ms
Cables & Connectors
Modularity: Fully modular
Sleeved Cables: Yes
Maximum Cable Length: 100cm
Cables Included: 9
ATX 20+4-pin x1
CPU P4+4 x1
CPU P8 x1
12V-2x6 x1
PCIe 6+2-pin x4
SATA x9
PATA x2
Physical & Environmental
Dimensions: 160 x 150 x 86mm
Weight: 1.76kg
Colour: Black
Certifications:
Energy Star 8.0
ErP Compliant
WEEE, RoHS, Triman
Why Choose the be quiet! Straight Power 12 750W
The Straight Power 12 750W is the ideal choice for builders seeking top-tier efficiency, near-silent operation and full compatibility with next-generation GPUs. With Platinum-rated performance, premium components and a 10-year warranty, it delivers reliable, future-proof power for high-end systems without compromise.