be quiet! Power Zone 2 850W Power Supply Unit
The be quiet! Power Zone 2 850W Power Supply Unit (PSU) is engineered for gamers who demand high efficiency, rock-solid performance, and whisper-quiet operation. With advanced technology and a sleek, distinctive design, it keeps demanding systems running smoothly and efficiently, making it suitable for high-end gaming systems, overclocking rigs, and quiet HTPCs.
Key Features
-
80 PLUS® Platinum & Cybenetics Platinum Efficiency
Up to 94.1% efficiency for lower power consumption, cooler operation, and reduced noise. -
Semi-Passive Zero-RPM Cooling
The fan turns off completely under low load for silent operation. A 2–5 minute post-ventilation cool-down prevents frequent starts and stops. -
Pure Wings 3 140mm Fan
Specially designed for the Power Zone 2, delivering reliable, efficient, and quiet cooling. -
Next-Gen Ready Connectivity
90° angled 12V-2x6 connector with PCIe 5.1/ATX 3.1 compatibility, supporting next-generation graphics cards as well as current-gen GPUs. -
Advanced Voltage Regulation
LLC technology provides superior voltage regulation and improved overall efficiency. -
Distinctive Mesh Design
Newly designed mesh front with clearly printed cable designations on the PSU housing for a clean, practical look. -
Single High-Performance 12V Rail
One massive 12V rail supports high power excursions up to double the rated power. -
10-Year Manufacturer’s Warranty
Long-term reliability and peace of mind.
Technical Specifications
| Category | Specification |
|---|---|
| Model | Power Zone 2 850W |
| Continuous Power (W) | 850 |
| Peak Power (W) | 920 |
| Form Factor | Version 3.1 |
| Form Factor EPS 12V | Version 2.92 |
| Power Factor at 100% Load | > 0.98 |
| Modern Standby | Yes |
| Power Consumption in Standby (W) | < 0.18 |
| Average Life Time (h / 25°C) | > 100,000 |
| Operating Temperature up to (°C) | 40 |
| 80 PLUS Certification | Platinum |
Cooling & Acoustics
| Category | Specification |
|---|---|
| Cybenetics Noise Rating | A+ |
| Fan | Pure Wings 3 |
| Fan Size (mm) | 140 |
| Bearing Technology | Rifle |
| Motor Technology | 4-pole fan motor |
| Max. Fan Speed (rpm) | 2100 |
| Noise Level dB(A) at 100% Load | 24.9 |
Power Rails
| Category | Specification |
|---|---|
| Max. Combined Power 12V (W) | 849.6 |
| Max. Combined Power 12VHPWR (W) | 600 |
| Max. Combined Power 3.3V + 5V (W) | 120 |
| Hold-up Time at 100% Load (ms) | 21.1 |
| Hold-up Time at 80% Load (ms) | 29.0 |
Cables & Connectors
| Connector Type | Quantity |
|---|---|
| Maximum Cable Length (cm) | 100 |
| Cable Length to Motherboard (cm) | 60 |
| ATX-Motherboard (20+4-pin) | 1 |
| P4+4 (CPU) | 1 |
| P8 (CPU) | 1 |
| P4 (CPU) | 1 |
| 12VHPWR Cables | 1 |
| PCI-e 6+2-pin (GPU) | 3 |
| SATA | 7 |
| PATA | 1 |
Dimensions
| Category | Specification |
|---|---|
| Dimensions without Cable (L x W x H, mm) | 160 x 150 x 86 |
