Akyga AK-B1-420 ATX power supply 420 W

Name: Power supply unit Akyga AK-B1-420 AK-B1-420
Brand: Akyga
SKU: 346181
Price: 21.49 EUR
Availability: InStock

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Power supply unit Akyga AK-B1-420 ATX 420 W, 20+4 pin, 70% efficiency, grey

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Short description

ATX power supply Akyga AK-B1-420 provides 420 W total power for desktop PCs. It features a 20+4 pin motherboard connector, combined +12V power 228 W, +5V/+3.3V combined rails, 19 A on +12V, multiple outputs (3 × SATA, 2 × Molex, 1 × CPU 4-pin), 70% efficiency, RoHS compliance and operating range 5–50 °C. Suitable for basic to mid-range systems requiring standard ATX power.

Available at price 21.49 €: 982 pcs.

Total available for order: 1006 pcs.

Warranty: 2 Years

SKU: 346181

Manufacturer: Akyga

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.86 kg)

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From 1.99 €

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Product information

Description

The Akyga AK-B1-420 is a 420 W ATX power supply unit designed for desktop computers. It delivers stable power through a universal 20+4-pin motherboard connector and includes additional connectors: 3× SATA, 2× Molex and a P4 4‑pin CPU connector. The unit complies with ATX12V 2.0 specifications and is intended for current and next‑generation platforms with multi‑core processors. Built from quality components, the PSU features a 120 mm fan with automatic speed control and a manual power switch for safe disconnection. It meets RoHS, REACH and CE requirements.

Advantages

The power supply offers 420 W total output with an efficiency above 70%, manual on/off switch and comprehensive protection circuitry (OVP, OCP, OPP, OTP, SCP). A built‑in PFC filter helps to stabilize voltage and reduce interference, while the 120 mm fan ensures effective and quiet cooling. Non‑modular cabling provides a straightforward, reliable connection layout for standard desktop builds.

Suitable for

Basic and office desktop computers
Home PCs used for web browsing, multimedia and light productivity
Systems requiring a reliable, budget-oriented PSU with standard connectors

Key specifications

Total power: 420 W
Efficiency: 70%
Motherboard connector: 20+4 pin ATX
Connectors: 3× SATA, 2× Molex, P4 4‑pin
Cooling: 120 mm fan with automatic speed control
Input: 230 V AC, 50 Hz
Protections: OVP, OCP, OPP, OTP, SCP
MTBF: 100,000 hours
Weight: 1.04 kg
Colour: Grey

How to use

Install the Akyga AK-B1-420 in a compatible ATX case, secure it with mounting screws and connect the 20+4 pin connector to the motherboard. Attach the P4 4‑pin connector to the CPU power header and use the SATA and Molex connectors for storage drives and peripherals. Ensure the mains voltage is 230 V and set the manual switch to the ON position before powering the system. Keep ventilation clear and maintain a dust‑free environment for sustained cooling performance.

Usage recommendations

For stable operation, pair this PSU with systems that do not exceed the 420 W power budget. Avoid continuous heavy loads beyond its rated capacity and ensure proper case airflow to prolong fan life and maintain efficiency.

Specifications

Total power:: 420 W
Efficiency:: 70 %
Motherboard power connector:: 20+4 pin ATX
Weight:: 1.04 kg
Product colour:: Grey

All features

Power

Total power:: 420 W
Efficiency:: 70 %
Power protection features:: Over current, Over power, Over voltage, Short circuit, Under voltage
Combined power (+3.3V):: 210 W
Combined power (+12V):: 228 W
Combined power (+5V):: 210 W
Combined power (-12V):: 18.5 W
Combined power (+5Vsb):: 18.5 W
Max output current (+3.3V):: 24 A
Max output current (+12V):: 19 A
Max output current (+5V):: 28 A
Max output current (-12V):: 0.5 A
Max output current (+5Vsb):: 2.5 A
Input current:: 5
AC input frequency:: 50
AC input voltage:: 230

Ports & interfaces

Motherboard power connector:: 20+4 pin ATX
Number of SATA power connectors:: 3
ATX Power connector (20-pin):: Yes
Peripheral (Molex) power connectors (4-pin):: 2
CPU P4 connector (4-pin):: 1
Cabling type:: Non-Modular

Performance

Purpose:: PC
Mean time between failures (MTBF):: 100000 h
ATX version:: 2.31
Power supply unit (PSU) form factor:: ATX

Design

Product colour:: Grey

Certificates

Certification:: REACH, CE
Compliance certificates:: RoHS

Weight & dimensions

Weight:: 1.04 kg
Height:: 85 mm
Width:: 150 mm
Depth:: 140 mm

Operational conditions

Operating temperature (T-T):: 5 - 50

Packaging data

Package weight:: 1050 g
Package depth:: 196 mm
Package height:: 86 mm
Package width:: 151 mm
Package type:: Box

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Instructions

mmo_38510231_1516092496_6872_28733.pdf

Description

Instructions

mmo_38510231_1516092496_6872_28733.pdf

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Warehouse	Stock	Delivery to the store	Store Price
EU1	9	26.06.2026	21.49 €
EU58	982	09.07.2026	21.49 €
EU2	2	Thursday Best delivery	21.99 €
WH356	13	02.07.2026	22.99 €

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21.49 €

Stock: 9

Delivery Date: 26.06.2026

Warehouse: EU1

21.49 €

Stock: 982

Delivery Date: 09.07.2026

Warehouse: EU58

21.99 €

Stock: 2

Delivery Date: Thursday Best delivery

Warehouse: EU2

22.99 €

Stock: 13

Delivery Date: 02.07.2026

Warehouse: WH356

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Customer questions

FAQ

How much does the Akyga AK-B1-420 ATX power supply 420 W cost, and is it available for purchase?

The price is 21.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1006 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 09.07.2026 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 Akyga 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 Akyga 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: total power, efficiency, motherboard power connector, weight, product colour, 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 Akyga AK-B1-420 ATX power supply 420 W?

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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