Be Quiet! Straight Power 12 1200W - BN339 - 80 PLUS Platinum Fully Modular ATX 3.0 PSU
1200W be quiet! Straight Power 12 BN339: 80+ Platinum, ATX 3.0, fully modular. 2x 16-pin 12VHPWR + 4x 6+2 PCIe. 92.4% efficiency, Silent Wings fan, 10-year warranty.
Available in 4–6 business days : 2 pieces
For any questions about this item, availability, or delivery times, please contact us at 22 270068
World-Class Silence & Efficiency
Straight Power 12 1200W (BN339) is a future-proof ATX 3.0 PSU with 80 PLUS Platinum certification (up to 93.7% efficiency) and virtually silent operation. Perfect for high-end systems with next-gen GPUs.
PCIe 5.0 Ready
Features native 2x 12VHPWR (16-pin) connectors for PCIe 5.0/5.1 GPUs plus 4x PCIe 6+2-pin for current-gen cards. Single 12V rail delivers 1200W continuous (1270W peak) with excellent transient response.
- 80 PLUS Platinum certified (>92.4% efficiency)
- Fully modular sleeved cables (max 100cm)
- Silent Wings 135mm FDB fan (0-2600 RPM)
- Japanese 105°C capacitors, 10-year warranty
- 9x SATA, 2x PATA connectors
- Full protections: OCP/OPP/OVP/SC/OTP/UVP
| Total power | 1200 W |
| Peak power | 1270 W |
| AC input voltage | 110 - 240 V |
| AC input frequency | 50/60 Hz |
| Input current | 15/7.5 A |
| Power factor | 0.99 |
| Combined power (+3.3V) | 150 W |
| Combined power (+12V) | 1200 W |
| Combined power (+5V) | 150 W |
| Max output current (+3.3V) | 25 A |
| Max output current (+12V1) | 100 A |
| Max output current (+5V) | 25 A |
| Max output current (-12V) | 0.5 A |
| Max output current (+5Vsb) | 3 A |
| Hold time | 23 ms |
| Efficiency | 92.4% |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Motherboard power connector | 20+4 pin ATX |
| EPS power connector (4+4 pin) | Yes (2x) |
| PCI Express power connectors (6+2 pin) | 4 |
| PCI Express power connectors (16-pin) | 2 |
| Number of SATA power connectors | 9 |
| Number of PATA power connectors | 2 |
| Cabling type | Fully-Modular |
| 80 PLUS certification | 80 PLUS Platinum |
| ATX version | 3.0 |
| EPS version | 2.92 |
| Noise level | 32.2 dB |
| Fan diameter | 13.5 cm |
| Fan speed | 0 - 2600 RPM |
| Warranty period | 10 year(s) |
| Width | 150 mm |
| Depth | 180 mm |
| Height | 86 mm |
| Weight | 2.04 kg |