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be quiet! Straight Power 11 Platinum 1200W ATX12V v2.51 / EPS12V v2.92 Power Supply (BN645)

be quiet! Straight Power 11 Platinum 1200W ATX12V v2.51 / EPS12V v2.92 Power Supply (BN645)

SKU 118456 PS-BN645 New
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Item Information

be quiet! Straight Power 11 Platinum 1200W raises the bar for systems that demand virtually inaudible operation and outstanding efficiency. Straight Power 11 Platinum 1200W is certified with 80 PLUS Platinum efficiency, reaching up to 93.9%. This provides lots of benefits for your high-end system, including less power consumption and an overall cooler and quieter operation. The standby drain is below 0.1 watts.


  • 80 PLUS Platinum efficiency (up to 93.9%)
  • Virtually inaudible Silent Wings 3 135mm fan
  • Funnel-shaped fan opening of the PSU case for high airflow intake
  • Wire-free inside the PSU on the DC side for enhanced cooling and longevity
  • Modular cables for maximum build flexibility
  • Powerful multi-GPU support with two PCI-Express connectors
  • Japanese 105C-rated capacitors ensure stability and reliability
  • ErP and Energy Star 7.0 ready
  • 5-year manufacturers warranty


  • Be quiet! Straight Power 11 Platinum 1200W Power Supply

be quiet! Straight Power 11 Platinum 1200W ATX12V v2.51 / EPS12V v2.92 Power Supply (BN645)
New items ship in their original manufacturer's packaging. These items are in excellent condition with no blemishes on their housings.

Efficiency Rating80+ Platinum
ATX Cable(s)1
EPS Cable(s)1
PCIe Cable(s)6
SATA Cable(s)11
Modular Yes
Fan Size / Bearing135mm

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Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.

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  • Item(s) must be returned within 30 days from invoice date.
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