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header-product Power Supply Unit FSP FSP400-50AAC 400 W
49.99 €

Power Supply Unit FSP FSP400-50AAC 400 W

Power Supply Unit FSP FSP400-50AAC Photo 1
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Power Supply Unit FSP FSP400-50AAC 400 W

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Power Supply Unit FSP FSP400-50AAC 400 W

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Short description

The FSP FSP400-50AAC is a reliable 400 W ATX power supply unit designed for PCs. It features a non-modular cabling type, 80 PLUS Bronze certification for energy efficiency, and operates on an AC input voltage of 90 - 264 V. With an active cooling system and a 12 cm fan, it ensures optimal performance and longevity. Certified by IEC-62368, CE, and TUV, this power supply is a solid choice for your computer system.
Available for order: 18 pcs.
Warranty: 2 Years
SKU: 3559752
Manufacturer: fsp/fortron
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
10.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
13.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.15 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
13.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Product information

Description

The FSP FSP400-50AAC is a 400 W ATX power supply unit designed for desktop PCs. It delivers stable power with up to 85% efficiency thanks to an eco-friendly design and includes built-in protections to prevent damage to connected components. The unit is non-modular, features active cooling with a 120 mm fan, and meets international safety standards including IEC-62368, CE and TUV.

Advantages

The FSP400-50AAC offers reliable 400 W output suitable for typical home and office systems, 80 PLUS Bronze-level efficiency to reduce energy loss, and comprehensive protection circuits for increased system safety. Its 120 mm fan provides effective cooling while maintaining operational stability. Certified compliance with IEC-62368, CE and TUV ensures recognized safety and quality standards.

Suitable for

  • Home and office desktop PCs
  • Basic gaming or multimedia systems with moderate power demands
  • PC builds requiring a reliable, non-modular ATX power supply

Key specifications

  • Total power: 400 W
  • 80 PLUS certification: 80 PLUS Bronze
  • AC input voltage: 90–264 V
  • Fan diameter: 120 mm
  • Cabling type: Non-modular
  • Product colour: Grey
  • Certifications: IEC-62368, CE, TUV

How to use

Install the FSP FSP400-50AAC into a compatible ATX case following standard PSU mounting procedures, connect the 24-pin motherboard connector, CPU power, and required peripheral and GPU connectors. Ensure the AC input is connected to a suitable mains supply within the 90–264 V range and allow adequate ventilation around the 120 mm fan to maintain cooling. Verify all connections before powering on the system.

Usage recommendations

For reliable operation, use this PSU in systems whose total component power draw stays well below 400 W, maintain proper case airflow, and use surge protection or an uninterruptible power supply (UPS) if mains stability is a concern.

Specifications

80 PLUS certification:
80 PLUS Bronze
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC
AC input voltage: The voltage of the AC electricity that is inputted into the product.
90 - 264
Total power: The total power that is needed by the device, or the total power produced by the device.
400 W
All features

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
86 mm
Depth: The distance from the front to the back of something.
150 mm
Width: The measurement or extent of something from side to side.
140 mm

Certificates

Certification:
IEC-62368 CB 62368, CB 60950, CE, TUV, CUL

Operational conditions

Storage relative humidity (H-H):
0 - 90
Operating relative humidity (H-H):
0 - 90
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-20 - 80
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40

Design

Fan location:
Top
Number of fans: The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).
1 fan(s)
Fan diameter: The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.
120 mm
Cooling type: The method used to cool the device or to cool the air around the device.
Active
Product colour: The colour e.g. red, blue, green, black, white.
Grey

Performance

Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
100000 h
ATX version: ATX (Advanced Technology eXtended) is a motherboard form factor specification developed by Intel in 1995. The specification defines the key mechanical dimensions, mounting point, I/O panel, power and connector interfaces between a computer case, a motherboard and a power supply. There are many versions of ATX including ATX12V 1.x and ATX12V v2.3.
2.52
80 PLUS certification:
80 PLUS Bronze
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Non-Modular

Power

Power protection features: Features that protect the device against power problems e.g. overload.
Overheating, Over voltage, Over current
Max output current (+5Vsb):
2.5 A
Max output current (-12V):
0.3 A
Max output current (+5V):
20 A
Max output current (+12V):
33.33 A
Max output current (+3.3V):
20 A
Power factor:
0.99
Input current:
5.5/2.5
AC input frequency:
47 - 63
AC input voltage: The voltage of the AC electricity that is inputted into the product.
90 - 264
Total power: The total power that is needed by the device, or the total power produced by the device.
400 W

Description

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Customer reviews

Customer questions

FAQ

How much does the Power Supply Unit FSP FSP400-50AAC cost, and is it available for purchase?

The price is 49.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All fsp/fortron products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized fsp/fortron service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: 80 plus certification, power supply unit (psu) form factor, purpose, ac input voltage, total power, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Power Supply Unit FSP FSP400-50AAC?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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