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Black rectangular ATX power supply with 135mm fan and modular cable sockets

be quiet!

be quiet! Straight Power 12 1500W ATX 3.0 power supply BN518

SKU CH-1JEK-ABB97 MPN BN518

Fully modular ATX 3.0 unit delivers 1500 W with 80 PLUS Platinum efficiency and a virtually inaudible 135 mm fan

  • ColorBlack
  • TypeATX 3.0 Compatible
  • Maximum Power1500 W
  • Fans1 x 135 mm
  • Fan LEDNo
  • PFCActive
  • 80 PLUS Platinum efficiency up to 93.9% reduces energy waste
  • ATX 3.0 design with PCIe 5.0 support powers modern graphics cards
  • Single 12 V rail delivers 1500 W continuous power for heavy loads
  • Silent Wings 135 mm fan runs virtually inaudible during operation
  • Japanese 105 °C capacitors provide long-term stability and reliability

ATX 3.0 1500W platinum power supply

The be quiet! Straight Power 12 BN518 is a fully modular ATX 3.0 power supply rated at 1500 W. It carries 80 PLUS Platinum certification with up to 93.9 % efficiency. A single 12 V rail delivers the full output for high-end desktop systems. Japanese 105 °C capacitors and full bridge LLC topology provide stable power delivery.

PCIe 5.0 and 6+2 pin connector limits

The unit includes four PCIe 6+2 pin connectors for graphics cards. ATX 3.0 compliance allows the PSU to handle massive power excursions up to double its rated power for short periods. The 135 mm Silent Wings fan with funnel-shaped opening maintains high airflow at very low noise levels. Active PFC and full protection circuits guard against over voltage and overload conditions.

Single 12V rail with 1500 W continuous power

One massive 12 V rail supplies the entire 1500 W without multi-rail restrictions. This makes the PSU suitable for configurations that draw extreme transient loads from a single GPU. The 160 mm depth fits standard ATX cases. Nine SATA power connectors and a 20+4 pin main connector complete the cable set.

Besonderheiten

  • 80 PLUS Platinum efficiency up to 93.9% reduces energy waste
  • ATX 3.0 design with PCIe 5.0 support powers modern graphics cards
  • Single 12 V rail delivers 1500 W continuous power for heavy loads
  • Silent Wings 135 mm fan runs virtually inaudible during operation
  • Japanese 105 °C capacitors provide long-term stability and reliability

Technische Daten

Brandbe quiet!
SeriesStraight Power
Model1500 w
ColorBlack
TypeATX 3.0 Compatible
Maximum Power1500 W
Fans1 x 135 mm
Fan LEDNo
PFCActive
Main Connector20+4Pin
PCI-Express Connector4x 6+2 pin
SATA Power Connector9
Max PSU Length160 mm
ModularFull Modular
Energy-Efficient80 PLUS PLATINUM Certified
Over Voltage ProtectionYes
Overload ProtectionYes
Dimensions160 x 150 x 86 mm
Weight3.47kg
+3.3V Max. Current25A
+5V Max. Current25A
+12V1 Max. Current100
-12V Max. Current.3
+5VSB Max. Current3
Fans Total Quantity1
Top Fans Size135mm
Versandgewicht4.26 kg
Paketgröße328 × 248 × 108 mm

Fragen zu diesem Artikel

Should I choose this 1500W Platinum model or a lower-wattage unit?

Pick the 1500W unit only if your build can draw near that level; the single 12V rail delivers the full 1500W continuously and the Platinum rating keeps efficiency up to 93.9% at typical loads.

What does the 1500W rating mean once the PSU is installed in my PC?

It means the unit can supply 1500W continuously on one massive 12V rail, with Japanese 105°C capacitors and full bridge LLC topology keeping voltage stable during heavy GPU and CPU loads.

How does the ATX 3.0 interface affect what I can connect?

The ATX 3.0 design includes native 12VHPWR support for PCIe 5.0 graphics cards while still providing four 6+2 pin PCIe connectors and nine SATA connectors for drives and peripherals.

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