The be quiet! Straight Power 12 - 1200 W is a high-performance power supply unit designed for demanding PC systems. This fully modular ATX 3.1 power supply delivers 1200 watts of reliable power with 80 PLUS Platinum certification, ensuring 92.4% efficiency for reduced energy consumption and heat generation. Built with premium components and featuring a sophisticated protection system including over current, over voltage, over power, overheating, short circuit, and under voltage safeguards, this PSU provides stable and secure power delivery. The 135mm fluid dynamic bearing fan operates quietly at just 32.2 dB while maintaining optimal cooling performance across a wide temperature range of 0-40°C.
Advanced Power Distribution and Connectivity
The power supply features extensive connectivity options with 9 SATA power connectors, 4 PCI Express 6+2 pin connectors, and 2 PATA connectors, making it suitable for multi-GPU configurations and storage-intensive builds. The 20+4 pin ATX motherboard connector and 8-pin EPS connector (EPS 2.92 compliant) ensure compatibility with modern high-end motherboards and processors. With a combined +12V rail output of 1200W and individual rails capable of 100A, it delivers consistent power to demanding components while maintaining a power factor of 0.99.
Reliability and Build Quality
Engineered for longevity, this unit boasts an impressive 100,000-hour MTBF rating and features a 23ms hold time for stable operation during brief power interruptions. The compact dimensions of 150mm width, 180mm depth, and 86mm height allow for flexible installation in various case configurations. The fully modular cable design enables clean cable management while the active cooling system with FDB technology ensures whisper-quiet operation and enhanced durability. Universal input voltage compatibility (110-240V) makes it suitable for worldwide use.
Product number manufacturer:
BN339
Certificates
Connectivity
EPS power connector (8-pin):
Motherboard power connector:
20+4 pin ATX
Number of PATA power connectors:
2
PCI Express power connectors (6+2 pin):
4
Cooling
Energy management
Max output current (+12V1):
100 A
Max output current (+3.3V):
25 A
Max output current (+5V):
25 A
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.5 A
Environmental conditions
Operating temperature range (T-T):
0 - 40 °C
Physical characteristics
Sound emission
Technical details
Mean time between failures (MTBF):
100000 h
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