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header-product Power Supply Unit Silverstone ST40F-ES230 400 W
41.99 €

Power Supply Unit Silverstone ST40F-ES230 400 W

Power Supply Unit Silverstone ST40F-ES230 Photo 1
Power Supply Unit Silverstone ST40F-ES230 Photo 2
Power Supply Unit Silverstone ST40F-ES230 Photo 3
Power Supply Unit Silverstone ST40F-ES230 Photo 4
Power Supply Unit Silverstone ST40F-ES230 Photo 1
Power Supply Unit Silverstone ST40F-ES230 Photo 2
Power Supply Unit Silverstone ST40F-ES230 Photo 3
Power Supply Unit Silverstone ST40F-ES230 Photo 4
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Short description

The Silverstone ST40F-ES230 is a reliable 400 W power supply unit designed for PCs. It features a 20-pin ATX connector, non-modular cabling, and an AC input voltage range of 180 - 264 V. With an 80 PLUS certification, it ensures efficient power delivery. The unit includes a 12 cm fan for optimal cooling and operates within a frequency range of 47 - 63 Hz. Its compact design and compliance with RoHS standards make it a great choice for your system.
Available at price 41.99 €: 4 pcs.
Total available for order: 5 pcs.
Warranty: 2 Years
SKU: 928845
Manufacturer: SILVERSTONE
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
11.08.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
14.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.66 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
14.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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Product information

Description

The Silverstone ST40F-ES230 is a 400 W power supply unit designed for desktop PCs that require reliable, continuous power. It offers 80 PLUS efficiency (up to 85% at 230 V), a single powerful +12V rail and a 120 mm cooling fan in a compact black housing. The unit uses a standard 20-pin ATX motherboard connector and non-modular cabling, supports an AC input range of 180–264 V and a frequency range of 47–63 Hz, and is built to operate continuously at elevated ambient temperatures.

Advantages

The ST40F-ES230 combines established design and quality components to support 24/7 operation at temperatures up to 40 °C while maintaining stable output and low acoustic noise. Its 80 PLUS certification ensures efficient power delivery, and the single +12V rail with standard 8-pin/6-pin PCI‑E connectors allows it to power a wide range of systems, including those with dedicated graphics cards. The compact footprint and RoHS compliance make it suitable for standard desktop builds.

Suitable for

  • Home and office desktop PCs
  • Budget gaming builds with mid-range graphics cards
  • Systems requiring continuous 24/7 operation
  • Small-form-factor cases compatible with a 20-pin ATX connector

Key specifications

  • Total power: 400 W
  • Efficiency: up to 85% (80 PLUS)
  • Motherboard connector: 20-pin ATX
  • Fan: 120 mm
  • AC input voltage: 180–264 V
  • Frequency range: 47–63 Hz
  • Weight: 1.26 kg
  • Colour: Black

How to use

Install the power supply into a compatible desktop chassis following the motherboard and case manufacturer guidelines. Connect the 20-pin ATX main power connector to the motherboard and attach the available PCI‑E connectors to compatible graphics cards as required. Ensure the PSU is connected to an appropriate AC source within the 180–264 V range. Allow adequate airflow around the 120 mm fan and maintain ambient temperature below 40 °C for continuous operation.

Usage recommendations

For reliable, long-term operation, use the ST40F-ES230 in systems whose total component power draw remains comfortably below the 400 W rating, ensure good case ventilation, and avoid exposing the unit to temperatures above 40 °C. Regularly check connections and dust buildup on the fan to maintain efficiency and low noise levels.

Specifications

80 PLUS certification:
80 PLUS
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
3
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20-pin ATX
AC input voltage: The voltage of the AC electricity that is inputted into the product.
180 - 264
Total power: The total power that is needed by the device, or the total power produced by the device.
400 W
All features

Logistics data

Harmonized System (HS) code:
84733020

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
1.26 kg
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.
140 mm
Width: The measurement or extent of something from side to side.
150 mm

Certificates

Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
RoHS

Operational conditions

Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40

Design

On/off switch: The button which is pressed to switch the device on or off.
Yes
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
Product colour: The colour e.g. red, blue, green, black, white.
Black

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
Noise level: The amplitude level of the undesired background noise, usually measured in decibels (db).
18 dB
80 PLUS certification:
80 PLUS
Power supply unit (PSU) form factor:
ATX
Purpose: What the product is used for.
PC

Ports & interfaces

Cabling type:
Non-Modular
PCI Express connector:
Yes
Floppy disk drive connector:
Yes
Floppy drive power connector:
1
PCI Express power connectors (6-pin):
2
EPS power connector (8-pin):
Yes
Peripheral (Molex) power connectors (4-pin): White 4-pinned connector used to connect a peripheral to the power supply.
3
Number of SATA power connectors:
4
Motherboard power cable length:
500 mm
Motherboard power connector: The way in which the motherboard is connected to the power supply.
20-pin ATX

Power

Power protection features: Features that protect the device against power problems e.g. overload.
Over power, Over voltage, Short circuit
Efficiency:
85 %
Max output current (+5Vsb):
2.5 A
Max output current (-12V):
0.3 A
Max output current (+5V):
16 A
Max output current (+12V):
30 A
Max output current (+3.3V):
17 A
Combined power (+5V):
100 W
Combined power (+12V):
360 W
Combined power (+3.3V):
100 W
Power Factor Correction (PFC) type:
Active
Input current:
3
AC input frequency:
47 - 63
AC input voltage: The voltage of the AC electricity that is inputted into the product.
180 - 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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Stock data
Warehouse Stock Delivery to the store Store Price
EU16 4 11.08.2026 Best delivery
41.99 € Best price
WH354 1 11.08.2026 Best delivery
48.49 €
41.99 €
Stock: 4
Delivery Date: 11.08.2026 Best delivery
Warehouse: EU16
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Customer reviews

Customer questions

FAQ

How much does the Power Supply Unit Silverstone ST40F-ES230 cost, and is it available for purchase?

The price is 41.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 11.08.2026 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 SILVERSTONE 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 SILVERSTONE 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, peripheral (molex) power connectors (4-pin), motherboard power connector, 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 Silverstone ST40F-ES230?

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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