PC Power Supplies

PC power supplies, also known as computer power supplies, are pieces of hardware which convert high-power mains electricity into usable DC power, for the components within your desktop computer. They convert AC (alternating current) from the mains to low-voltage, regulated DC (direct current).


Why use a PC power supply?


Power supply units (PSUs) are an essential piece of hardware within a computer as they supply power to all the components within your PC, such as the motherboard or graphics card. Typical PSU voltages are 3.3V, 5V and 12V.


PSUs are there to prevent spikes in the voltage supply and for surge protection.


Where are they installed?


You will find these power supplies in the back of a desktop computer. It is an internal hardware component.


Computer power supplies feature a power cable connector on one side and multiple wires on the other. These wires connect to various devices within the computer to supply power to them, for example, motherboards and hard drives. Computer power supplies also have a cooling fan which expels air out the back of a computer. They also prevent overheating through voltage control. There is usually a power switch at the back and another switch to alter the voltage.


How important is overall wattage?


It is important that you computer PSU covers the necessary wattage that your system requires. You can work this out by roughly adding up the consumption of all your parts. It is best to have an oversized PSU as it will cover your current wattage requirements, with room for extra if you decide to upgrade any of your components.


What is an ATX PSU?


ATX is a specification for motherboards which many PC power supplies meet. This means that the computer PSU fits into an ATX standard case and works alongside an ATX motherboard within the PC. An ATX power supply would be suitable for use in a modular computer as it has a standard case size.

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Detaily dielu Brand Stock Vstupní napětí Výstupní napětí Jmenovitý výkon Výstupní proud Počet výstupů Délka Šířka Hloubka Typ montáže Účinnost Regulace zatížení Regulace vedení Maximální vstupní proud Řada Splněné normy Hmotnost Rozsah vstupní frekvence Maximální teplota Minimální teplota Typ převodu síly signálu
Seasonic 550W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 14 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 550W 3 A, 20 A, 45 A, 300 mA 5 140mm 150mm 86mm Panel Mount 90% - - 13A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 1kW ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 7 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 1kW 3 A, 25 A, 83 A, 300 mA 5 140mm 150mm 86mm Panel Mount 90% - - 13A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 650W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 5 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 650W 3 A, 20 A, 54 A, 300 mA 5 140mm 150mm 86mm Panel Mount 92% - - 11A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 650W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 3 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 650W 3 A, 20 A, 54 A, 300 mA 5 140mm 150mm 86mm Panel Mount 90% - - 13A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 550W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 2 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 550W 3 A, 20 A, 45 A, 300 mA 5 140mm 150mm 86mm Panel Mount 92% - - 11A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 600W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 1 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 600W 3 A, 20 A, 50 A, 300 mA 5 170mm 150mm 86mm Panel Mount 94% 0.5% - 8A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 850W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 1 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 850W 3 A, 20 A, 70 A, 300 mA 5 140mm 150mm 86mm Panel Mount 90% - - 13A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 850W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 1 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 850W 3 A, 20 A, 70 A, 300 mA 5 140mm 150mm 86mm Panel Mount 92% - - 11A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 1.32kW PC Power Supply, 100 → 240V dc Input, 3.3 V dc, 5 V dc, ±12 V dc Output Seasonic 0 100 → 240V dc 3.3 V dc, 5 V dc, ±12 V dc 1.32kW 0.3 A @ 12 V, 108 A @ 12 V, 25 A @ 3.3 V, 25 A @ 5 V, 3 A @ 5 V - 170mm 150mm 86mm - 92% 1% - 7.5A SSR-1300 CB Certified, CCC Certified, CE Certified, EMI / EMC, FC Certified - 50 → 60Hz +50°C 0°C -
Seasonic 750W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 0 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 750W 3 A, 20 A, 62 A, 300 mA 5 140mm 150mm 86mm Panel Mount 90% - - 13A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Seasonic 750W ATX Power Supply, 100 → 240V dc Input, -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc Output Seasonic 0 100 → 240V dc -15 V dc, 3.3 V dc, 5 V dc, 12 V dc, 5 VSB V dc 750W 3 A, 20 A, 62 A, 300 mA 5 140mm 150mm 86mm Panel Mount 92% - - 11A ATX - - 50 → 60Hz +50°C 0°C AC-DC
Napájecí zdroj pro počítač 400W vstupní napětí 220V ac výstupní napětí 3.3 V dc, 5 V dc, ±12 V dc
  • Skladové číslo RS 177-775
  • Značka Seasonic
  • Výrobné číslo SS-400ES APFC F3
Seasonic 156 220V ac 3.3 V dc, 5 V dc, ±12 V dc 400W 2.5 A, 17 A, 20 A, 800 mA 6 150mm 140mm 86mm Panel Mount 80% ±5% ±1% - - - 1.6kg - +50°C 0°C -
Seasonic 500W PC Power Supply, 220V ac Input, 3.3 V dc, 5 V dc, ±12 V dc Output
  • Skladové číslo RS 177-797
  • Značka Seasonic
  • Výrobné číslo SS-500ES APFC F3
Seasonic 147 220V ac 3.3 V dc, 5 V dc, ±12 V dc 500W 17 A, 24 A, 825 mA 6 150mm 140mm 86mm Panel Mount 80% ±5% ±1% - - - 1.7kg - +50°C 0°C -
Napájecí zdroj pro počítač 350W vstupní napětí 220V ac výstupní napětí 3.3 V dc, 5 V dc, ±12 V dc
  • Skladové číslo RS 177-769
  • Značka Seasonic
  • Výrobné číslo SS-350ES APFC F3
Seasonic 98 220V ac 3.3 V dc, 5 V dc, ±12 V dc 350W 2.5 A, 17 A, 20 A, 800 mA 6 150mm 140mm 86mm Panel Mount 80% ±5% ±1% - - - 1.5kg - +50°C 0°C -
Napájecí zdroj pro počítače 300W vstupní napětí 115 → 230V výstupní napětí 3.3 V, 5 V, ±12 V
  • Skladové číslo RS 739-3683
  • Značka FSP
  • Výrobné číslo 9PA300CW01
FSP 79 115 → 230V 3.3 V, 5 V, ±12 V 300W 2.5 A, 14 A, 16 A, 20 A, 21 A, 500 mA 6 125mm 100mm 64mm Panel Mount 83.5% ±5% ±1% - - IEC60950 1.1kg 50/60Hz +40°C 0°C -
Napájecí zdroj ATX 500W vstupní napětí 200 → 240V ac výstupní napětí 12V RS Pro 79 200 → 240V ac 12V 500W 41A 5 - - - Encapsulated 85% ±5% ±5% - ACP CE, ErP 2013 Compliant, RoHS, TUV - - - - -
Napájecí zdroj pro počítač 500W vstupní napětí 220V ac výstupní napětí 3.3 V dc, 5 V dc, ±12 V dc
  • Skladové číslo RS 177-719
  • Značka Seasonic
  • Výrobné číslo SS-500ET APFC F3
Seasonic 76 220V ac 3.3 V dc, 5 V dc, ±12 V dc 500W 2.5 A, 17 A, 24 A, 800 mA 6 150mm 140mm 86mm Panel Mount 80% ±5% ±1% - - - 1.7kg - +50°C 0°C -
Napájecí zdroj pro počítač 300W vstupní napětí 220V ac výstupní napětí 3.3 V dc, 5 V dc, ±12 V dc
  • Skladové číslo RS 177-810
  • Značka Seasonic
  • Výrobné číslo SS-300ES APFC F3
Seasonic 74 220V ac 3.3 V dc, 5 V dc, ±12 V dc 300W 2.5 A, 17 A, 18 A, 20 A, 800 mA 6 150mm 140mm 86mm Panel Mount 80% ±5% ±1% - - - 1.4kg - +50°C 0°C -
Napájecí zdroj ATX 250W vstupní napětí 230V dc výstupní napětí -12 V dc, 3.3 V dc, 5 V dc, 12 V dc Seasonic 65 100 → 240V dc -12 V dc, 3.3 V dc, 5 V dc, 12 V dc 250W 2 A, 14 A, 17 A, 18 A, 800 mA 6 150mm 81.5mm 40.5mm - - ±5% ±1% - SSP BSMI, CB, CCC, CE, CUL, FCC, RCM, TUV - 47 → 63Hz - - AC-DC
Seasonic 400W PC Power Supply, 220V ac Input, 3.3 V dc, 5 V dc, ±12 V dc Output
  • Skladové číslo RS 177-781
  • Značka Seasonic
  • Výrobné číslo SS-400ET APFC F3
Seasonic 55 220V ac 3.3 V dc, 5 V dc, ±12 V dc 400W 2.5 A, 17 A, 20 A, 800 mA 6 150mm 140mm 86mm Panel Mount 80% ±5% ±1% - - - 1.6kg - +50°C 0°C -
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