be quiet! Pure Power 13 M | 550W vs be quiet! Pure Power 13 M | 650W

Key differences

• Total power
  • Pure Power 13 M | 550W:550 W
  • Pure Power 13 M | 650W:650 W
• Peak power
  • Pure Power 13 M | 550W:600 W
  • Pure Power 13 M | 650W:720 W
• Combined power (+12V)
  • Pure Power 13 M | 550W:550 W
  • Pure Power 13 M | 650W:650 W
• Max output current (+12V1)
  • Pure Power 13 M | 550W:45.8 A
  • Pure Power 13 M | 650W:54.1 A
• Efficiency
  • Pure Power 13 M | 550W:92.1%
  • Pure Power 13 M | 650W:92.8%
• Hold time
  • Pure Power 13 M | 550W:21.68 ms
  • Pure Power 13 M | 650W:22.5 ms
• CPU P4 connector (4-pin)
  • Pure Power 13 M | 550W:2
  • Pure Power 13 M | 650W:3
• Noise level
  • Pure Power 13 M | 550W:20.8 dB
  • Pure Power 13 M | 650W:30.2 dB