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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Description Price Input Voltage Output Voltage Power Rating Output Current Number of Outputs Length Width Depth Mounting Type Efficiency Load Regulation Line Regulation Holdup Time Input Frequency Range
RS庫存編號 781-7177
製造零件編號1GT35GF1DBA10W
BrandSeasonic
TWD3,353.00
單位
220V -12 V, 3.3 V, 5 V, 12 V 350W 2 A, 12 A, 16 A, 29 A, 300 mA 5 150mm 140mm 86mm Panel Mount 90% ±5% ±1% - -
RS庫存編號 136-9010
製造零件編號SSPSUPRIME1000WPLAT
BrandSeasonic
TWD10,088.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 1000W 3 A, 25 A, 83 A, 300 mA 5 170mm 86mm 150mm Panel Mount 89% 0.5% - - 50 → 60Hz
RS庫存編號 704-3281
製造零件編號GSM20-PSU
TWD1,267.00
單位
250V ac 12 V 12W - 1 88mm 60mm 26mm Stand Alone - - - - 50/60Hz
RS庫存編號 136-9008
製造零件編號SSPSUPRIME850WPLAT
BrandSeasonic
TWD9,172.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 850W 2.5 A, 20 A, 70 A, 300 mA 5 170mm 86mm 150mm Panel Mount 89% 0.5% - - 50 → 60Hz
RS庫存編號 121-7780
BrandRS PRO
TWD3,231.00
單位
200 → 240V ac ±12 V dc, 3.3 V dc, 5 V dc 850W 0.3 → 65A 1 - - - DIN Rail >82% - - - -
RS庫存編號 781-7186
製造零件編號1RT45GFS01B10W
BrandSeasonic
TWD3,803.00
單位
220V -12 V, 3.3 V, 5 V, 12 V 450W 2.5 A, 20 A, 47 A, 300 mA 5 150mm 140mm 86mm Panel Mount 90% ±5% ±1% - -
RS庫存編號 136-9000
製造零件編號SSPSUPRIME650W
BrandSeasonic
TWD8,103.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 650W 3 A, 20 A, 54 A, 300 mA 5 170mm 86mm 150mm Panel Mount 94% 0.5% - - 50 → 60Hz
RS庫存編號 103-3920
製造零件編號SSP-300ST
BrandSeasonic
TWD1,981.00
單位
100 → 240V ac ±12 V dc, 3.3 V dc, 5 V dc 300W 0.3 → 24A 5 150mm 140mm 86mm Panel Mount ≥82% ±5% ±1% - 50/60Hz
RS庫存編號 781-7189
製造零件編號1RT55GFS01B10W
BrandSeasonic
TWD4,350.00
單位
220V -12 V, 3.3 V, 5 V, 12 V 550W 2.5 A, 20 A, 45 A, 300 mA 5 150mm 140mm 86mm Panel Mount 90% ±5% ±1% - -
RS庫存編號 136-9001
製造零件編號SSPSUPRIME650WGD
BrandSeasonic
TWD5,702.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 650W 2.5 A, 20 A, 52 A, 300 mA 5 170mm 86mm 150mm Panel Mount 87% 0.5% - - 50 → 60Hz
RS庫存編號 136-9004
製造零件編號SSPSUPRIME750WGD
BrandSeasonic
TWD6,500.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 750W 2.5 A, 20 A, 62 A, 300 mA 5 170mm 86mm 150mm Panel Mount 87% 0.5% - - 50 → 60Hz
RS庫存編號 781-7192
製造零件編號1RT75GFS01B10W
BrandSeasonic
TWD5,768.00
單位
220V -12 V, 3.3 V, 5 V, 12 V 750W 2.5 A, 20 A, 62 A, 300 mA 5 150mm 140mm 86mm Panel Mount 90% ±5% ±1% - -
RS庫存編號 708-2144
製造零件編號SS-600ES APFC F3
BrandSeasonic
TWD3,907.00
單位
220V ac ±12 V dc, 3.3 V dc, 5 V dc 600W 2.5 A, 24 A, 46 A, 800 mA 5 150mm 140mm 86mm Panel Mount 82% ±5% ±1% - -
RS庫存編號 136-9003
製造零件編號SSPSUPRIME750W
BrandSeasonic
TWD9,458.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 750W 3 A, 20 A, 62 A, 300 mA 5 170mm 86mm 150mm Panel Mount 94% 0.5% - - 50 → 60Hz
RS庫存編號 136-6054
製造零件編號SSP-300TBS
BrandSeasonic
TWD1,266.00
單位
100 → 240V dc -12 V dc, 3.3 V dc, 5 V dc, 12 V dc 300W 2 A, 14 A, 17 A, 18 A, 20 A, 800 mA 6 85mm 140mm 65mm - - ±5% ±1% - 47 → 63Hz
RS庫存編號 136-6053
製造零件編號SSP-300SUB
BrandSeasonic
TWD1,722.00
單位
100 → 240V dc -12 V dc, 3.3 V dc, 5 V dc, 12 V dc 300W 2 A, 14 A, 17 A, 18 A, 800 mA 6 150mm 81.5mm 40.5mm - - ±5% ±1% - 47 → 63Hz
RS庫存編號 103-3921
製造零件編號SSP-350ST
BrandSeasonic
TWD2,476.00
單位
100 → 240V ac ±12 V dc, 3.3 V dc, 5 V dc 350W 0.3 → 27A 5 150mm 140mm 86mm Panel Mount ≥82% ±5% ±1% - 50/60Hz
RS庫存編號 136-9002
製造零件編號SSPSUPRIME650WPLAT
BrandSeasonic
TWD7,115.00
單位
100 → 240V ac -12 V dc, 3.3 V dc, 5 V dc, 5 VSB V dc, 12 V dc 650W 2.5 A, 20 A, 52 A, 300 mA 5 170mm 86mm 150mm Panel Mount 89% 0.5% - - 50 → 60Hz
RS庫存編號 136-6052
製造零件編號SSP-250SUB
BrandSeasonic
TWD1,372.00
單位
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% - 47 → 63Hz