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header-product Power supply CHIEFTEC APB-400B8-BK 400 W, 80 PLUS, active PFC
31.49 €
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AiO.lv Computer Components Pc Components Power Supplies (PSU) CHIEFTEC

Power supply CHIEFTEC APB-400B8-BK 400 W, 80 PLUS, active PFC

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CHIEFTEC APB-400B8-BK 400 W power supply Photo 1
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CHIEFTEC APB-400B8-BK 400 W power supply Photo 1
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CHIEFTEC APB-400B8-BK 400 W power supply Photo 1
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CHIEFTEC APB-400B8-BK 400 W power supply Photo 1
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Power supply CHIEFTEC APB-400B8-BK 400 W, 80 PLUS, active PFC
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Power supply CHIEFTEC APB-400B8-BK 400 W, 80 PLUS, active PFC

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Short description

CHIEFTEC APB-400B8-BK is a 400 W desktop power supply with 80 PLUS efficiency rating and active PFC for stable voltage delivery. Designed for gaming PCs and workstations, it provides reliable power distribution, reduced energy losses and integrated protection mechanisms to safeguard components and improve system longevity.
Available at price 31.49 €: 50 pcs.
Total available for order: 100 pcs.
Warranty: 2 Years
SKU: 10802147
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Pick-up points

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Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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02.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.17 kg)
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Product information

Description

CHIEFTEC APB-400B8-BK is a 400 W desktop power supply with 80 PLUS White efficiency and active PFC, designed to deliver stable voltages for gaming PCs and workstations. It combines moderate power output with basic protections to reduce energy loss and provide reliable operation in typical home and office systems.

Advantages

The unit offers 80 PLUS White efficiency to lower energy losses compared with non-certified models, and an active PFC circuit to improve power factor and voltage stability. A 120 mm cooling fan balances airflow and noise for everyday use, while integrated protection mechanisms help prevent damage from common electrical faults.

Suitable for

  • Entry-level gaming PCs
  • Home and office desktops
  • Workstations with moderate power demands
  • System upgrades replacing older or lower-efficiency PSUs

When it may not be suitable

The CHIEFTEC APB-400B8-BK may not be suitable for high-end gaming rigs with multiple high-power GPUs or heavily overclocked CPUs that require significantly more than 400 W peak capacity. It is also not intended for systems that demand advanced modular cabling or very low-noise passive cooling.

Key specifications

  • Rated output power: 400 W
  • Input voltage: 200–240 V
  • Efficiency certification: 80 PLUS White
  • Power factor correction: Active PFC
  • Cooling: 120 mm fan
  • Weight: 1170 g

How to use

Install the PSU into a compatible ATX case following the motherboard and case manufacturer guidance. Connect the main 24-pin ATX cable and required CPU and peripheral connectors to the components. Ensure input voltage matches the specified 200–240 V range and secure all connections before powering on the system. Allow for adequate ventilation around the 120 mm fan to maintain cooling efficiency.

What to consider before purchase

  • Confirm total system power draw stays within a safe margin below 400 W
  • Check connector types and lengths match your motherboard, GPU, and drives
  • Decide if you need modular cables or lower-noise/premium efficiency options

Usage recommendations

For stable operation, keep the PSU dust-free and ensure case airflow is not obstructed; consider a slightly higher-capacity or higher-efficiency PSU if planning future upgrades such as additional GPUs or heavy CPU overclocking.

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Product comparison

The CHIEFTEC APB-400B8-BK power supply is compared against several alternative models ranging from 400 W to 1000 W from CHIEFTEC and LIAN LI. While all options utilize active PFC for stable voltage delivery, they differ significantly in total power output, efficiency certification, cooling design, and target system configurations.

⚙️ The table below compares the key characteristics: total power output, 80 PLUS certification, form factor, cooling mechanism, and practical application.

ParameterCHIEFTEC APB-400B8-BKCHIEFTEC PSF-400BCHIEFTEC APB-500B8-BKLIAN LI EDGE GOLD 1000CHIEFTEC APB-400B8CHIEFTEC APB-600B8-BKPractical Conclusion
Total power400 W400 W500 W1000 W400 W600 W400 W units suit basic builds, 500–600 W fit gaming setups, and 1000 W powers high-end workstations.
Efficiency80 PLUS80 PLUS Bronze80 PLUS80 PLUS Gold80 PLUS80 PLUSHigher efficiency ratings (Bronze and Gold) minimize energy losses and reduce heat under heavy loads.
CoolingStandardSide 80 mm fanStandardHigh-performance120 mm fanStandardFan dimensions and placement directly affect cooling efficiency and operating noise levels.

◎ The table below evaluates which product is most suitable for specific use cases and user requirements.

Use caseRecommended productWhy
Basic office or home PCCHIEFTEC APB-400B8-BKProvides reliable 400 W power and integrated safety protections for standard everyday desktop builds.
Compact build with higher efficiencyCHIEFTEC PSF-400BOffers 80 PLUS Bronze efficiency and a space-saving design with a side-mounted fan.
Gaming PC requiring headroomCHIEFTEC APB-500B8-BK or APB-600B8-BKHigher 500 W and 600 W capacities safely support modern graphics cards and performance components.
High-end gaming rig or workstationLIAN LI EDGE GOLD 1000Delivers 1000 W continuous output with 80 PLUS Gold efficiency for extreme multi-GPU or multi-core systems.

The CHIEFTEC APB-400B8-BK is best suited for standard desktop computers and everyday workstations requiring reliable 400 W power without paying for unneeded capacity. Compared to alternative choices, it is ideal for basic setups, whereas users building performance gaming rigs or high-end workstations should opt for higher-wattage alternatives like the 500–600 W CHIEFTEC models or the 1000 W LIAN LI unit.

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Stock data
Warehouse Stock Delivery to the store Store Price
BT19 50 Wednesday Best delivery
Fast shipping
31.49 € Best price
WH357 50 10.11.2026
45.49 €
Fast shipping
31.49 €
Stock: 50
Delivery Date: Wednesday Best delivery
Warehouse: BT19
45.49 €
Stock: 50
Delivery Date: 10.11.2026
Warehouse: WH357

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Customer questions

FAQ

How much does the CHIEFTEC APB-400B8-BK 400 W power supply cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 Wednesday 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: Cash payment, 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 CHIEFTEC 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 CHIEFTEC 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.
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