What is the best 400-599W PSU?

Written by Paul Goodhead

September 13, 2011 | 14:25

Tags: #400w #500w #600w #mid-range-psu #power-supply #psu #psu-megatest #psu-test #rasurbo #the-best-psu #what-is-the-best-400-599w-psu

Companies: #be-quiet #bit-tech #corsair #cougar #enermax #seasonic #thermaltake

Efficiency (at 50 per cent load)

  • Seasonic X-560
  • Cougar SX550
  • Antec High Current Gamer HCG-550 Plus
  • Enermax Pro 82+ EPR525 AWT II
  • Corsair Builder Series CX430 V2
  • Thermaltake SP-530PCWEU
  • Rasurbo Real&Power RAP450
  • Antec Basiq Series VP550P
  • Thermaltake SP-430PCWEU
  • 92
  • 89
  • 88
  • 87
  • 86
  • 86
  • 86
  • 85
  • 84
0
25
50
75
100
Efficiency (percentage at 50 per cent load)

Efficiency (at 100 per cent load)

  • Seasonic X-560
  • Cougar SX550
  • Antec High Current Gamer HCG-550 Plus
  • Enermax Pro 82+ EPR525 AWT II
  • Thermaltake SP-530PCWEU
  • Rasurbo Real&Power RAP450
  • Corsair Builder Series CX430 V2
  • Antec Basiq Series VP550P
  • Thermaltake SP-430PCWEU
  • 90
  • 86
  • 85
  • 84
  • 83
  • 83
  • 83
  • 82
  • 81
0
10
20
30
40
50
60
70
80
90
Efficiency (percentage at 100 per cent load)

12V Hold-up time

Recorded Hold-up time. ATX spec recommendation: 17ms

  • Seasonic X-560
  • Thermaltake SP-430PCWEU
  • Cougar SX550
  • Thermaltake SP-530PCWEU
  • Rasurbo Real&Power RAP450
  • Antec High Current Gamer HCG-550 Plus
  • Enermax Pro 82+ EPR525 AWT II
  • Corsair Builder Series CX430 V2
  • Antec Basiq Series VP550P
  • 21.0
  • 16.5
  • 15.7
  • 15.2
  • 14.8
  • 13.8
  • 13.0
  • 10.1
  • 8.3
0
5
10
15
20
Hold-up (milliseconds)

5V Hold-up time

Recorded Hold-up time. ATX spec recommendation: 17ms

  • Cougar SX550
  • Antec High Current Gamer HCG-550 Plus
  • Seasonic X-560
  • Enermax Pro 82+ EPR525 AWT II
  • Thermaltake SP-430PCWEU
  • Thermaltake SP-530PCWEU
  • Rasurbo Real&Power RAP450
  • Antec Basiq Series VP550P
  • Corsair Builder Series CX430 V2
  • 31.0
  • 31.0
  • 21.7
  • 19.3
  • 17.3
  • 14.3
  • 13.0
  • 10.9
  • 9.4
0
5
10
15
20
25
30
35
Hold-up (milliseconds)

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