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Features & Performance Of All Power Supplies

High Power For Power Users: 13 Power Supplies In The Spotlight
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Manufacturer Chieftec Coba Fortron Source
Model HPC-420-302 DF ATX-400W FSP400-60PFN
Overall rating [points] Good (82.5) Satisfactory (73.3) Good (82.5)
Performance (50 %) [points] 91.5 71.5 91.5
Ergonomics (50 %) [points] 73.4 75.1 73.4
Technical Data
Power (manufacturer claim/ measured) 420/415 W 400/382 W 400/453 W
-5 V/-12 V (manufacturer claim) 0.3/ 0.8 A 0.5/ 0.8 A 0.3/ 0.8 A
+3,3 V/+ 5 V/+12 V (manufacturer claim) 30/ 40/ 18 A 22/ 35/ 15 A 28/ 40/ 15 A
PFC active active k. A.
Fan/ fan controller 2/active 2/active 1/k. A.
Power out 230 V no no no
Input voltage/ voltage settings 110-240 V/ automatic 110-240 V/ automatic 100-240 V/ automatic
Cable length, HDD and FDD 110 cm 92 cm 51-55 cm
Cable length ATX/ ATX12V/ AUX 46/ 52/ 49 cm 50/ 50/ 50 cm 50/ 50/ 53 cm
Fan monitor/ regulator interface yes/no no/no yes/yes
Power cable/ screws/ user manual yes/ yes/ yes yes/ yes/ yes yes/ yes/ yes
Other - - -
Manufacturer PC Cooling Redux Seasonic
Model Ultra-Silent 400 Watt TSP-420P4 SS-400FS
Overall rating [points] Good (83.3) Satisfactory (77.8) Good (82.8)
Performance (50 %) [points] 81.4 73.9 81.6
Ergonomics (50 %) [points] 85.2 81.7 84
Technical Data
Power (manufacturer claim/ measured) 420/433 W 420/388 W 400/436 W
-5 V/-12 V (manufacturer claim) 0.8/ 1.0 A 0.8/ 1.0 A 0.5/ 0.8 A
+3,3 V/+ 5 V/+12 V (manufacturer claim) 26/ 42/ 8 A 26/ 42/ 18 A 28/ 30/ 18 A
PFC active active active
Fan/ fan controller 3/active, manuell 3/active, manuell 1/active
Power out 230 V yes yes yes
Input voltage/ voltage settings 195-250 V/ automatic 195-250 V/ automatic 100-240 V/ automatic
Cable length, HDD and FDD 105 cm 105 cm 57-87 cm
Cable length ATX/ ATX12V/ AUX 58/ 59/ 59 cm 58/ 59/ 59 cm 53/ 55/ 56 cm
Fan monitor/ regulator interface no/ no no/ no no/ no
Power cable/ screws/ user manual yes/ yes/ yes yes/ yes/ yes yes/yes/yes
Other - - 3-level fan regulator
Adapter for power out
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