FSP Mini Itx/Flex ATX 400W 80plus Gold Certified Active FSP Computer Power Supply SPI400U4BB

-FSP SPI400U4BB FSP400-70LQ FSP400-601UG Computer Power Supply

SKU: FSP2902_Se
Usually ships the same business day !
Today Price: GBP 63.00
Reg. price: GBP 110.00
1 year warranty

Whether you’re building a basic desktop or a power-house gaming PC, choosing the right PC power supply unit (PSU) is an important decision. Here we have PSUs for FSP Mini Itx/Flex ATX 400W 80plus Gold Certified Active. Fully Modular Cable Management, 80 Plus Gold-Certified to Deliver over 90% Efficiency ...

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FSP SPI400U4BB Computer Power Supply

Product Details
Brand: FSP Computer Power Supply
Input Voltage:400W
DC Outpu:100-240V-8-4A,60-50Hz
Connector:220mm (L)* 100 mm (W) * 40mm (H)
* Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Can replace the following Part Numbers :

SPI400U4BB FSP400-601UG FSP400-70LQ

Fits the Following Laptop Models :

MODEL NO : SPI400U4BB FSP400-601UG FSP400-70LQ
AC INPUT : 100-240V-8-4A,60-50Hz
MAX.OUTPUT POWER : 400W(+3.3V & +5V=120W MAX)(+12V1 & +12V2 & +12V3=30A MAX)
DC OUTPUT : +3.3V==20.0A(ORG).+5V==20.0A(RED),+12V1==16.0A(YEL)
Dimension : 220mm (L) * 100 mm (W) * 40mm (H)
Product Highlight Efficiency Level 80 Plus Gold
24 needle length: 60 cm
Dual 4-pin CPU power supply cable length: 46 cm
8-pin CPU for the cable length: 21 cm
Two IDE cable lengths are: 27 and 31 cm.
(Need to use SATA interface or extension cord length, or change the interface
cable, please contact customer service

Why You Need A High Quality PSU ?

The role of a PC power supply unit is to convert the AC electric power that comes from the mains to the DC power that the computer requires. But it can do much more than that. A good quality power supply can make your system more efficient, stable and reliable.

Choosing Your Power Supply

Firstly, ensure you select a PSU from a reputable manufacturer.


When choosing a PSU the output is very important. This output is listed as watts and should be greater than the combined wattage of all the components in your system plus 40 to 60%. Very simplistically speaking the more demands you place on your system the higher the wattage of the PC power supply unit should be. For example, a high end gamer will require a far higher wattage than a home user who surfs the net and does some word processing.

Energy Efficiency

But it isn't all about the wattage. Efficiency is important so look for PSUs that have the 80 Plus certification. This indicates that the PSU will waste less energy than other units making it cheaper to run and much more reliable.
PSU Cabling

There are different types of PSU and cabling. Fully modular power supply units enable the user to remove surplus cables from the case, whilst a semi modular PSU has a mix of detachable and hard wired, or permanent, cables.

The third option is a fully wired PSU which, as the name suggests, does not allow any cables to be disconnected. Of the three the fully modular unit is the most versatile.

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