Be Quiet! Straight Power 12 1200W - BN339 - 80 PLUS Platinum Fully Modular ATX 3.0 PSU (Boxed)
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.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| PSU (Power Supplies) - Wattage | 1200 - 1499 W |
|---|---|
| PSU (Power Supplies) - Efficiency Rating | 80 Plus Platinum |
| PSU (Power Supplies) - Color | Black |
| PSU (Power Supplies) - Modularity | Fully modular |
| PSU (Power Supplies) - PCIe GPU Connectors | 2x 12VHPWR 16-pin 4x 8/6 pins |
| PSU (Power Supplies) - Length | 161-180 mm |
| PSU (Power Supplies) - EPS CPU Connectors | 2x 4+4pin EPS/ATX12V |
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 |