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header-product Power Supply Unit Silverstone FX500 500 W

Power Supply Unit Silverstone FX500 500 W

Power Supply Unit Silverstone FX500 Photo 1
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Power Supply Unit Silverstone FX500 Photo 1
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Short description

The Silverstone FX500 is a 500 W Flex ATX power supply unit designed for servers. It features a 20+4 pin ATX motherboard connector, active cooling with a 4 cm fan, and is 80 PLUS Gold certified for high efficiency. With an AC input voltage range of 90 - 264 V and a frequency of 47 - 63 Hz, it ensures stable performance. The power cables include a 35 cm motherboard cable and SATA cables of 150 and 350 mm in length. Compact dimensions: 81.5 mm wide, 150 mm deep, and 40.5 mm high.
Warranty: 2 Years
SKU: 3916300
Manufacturer: SILVERSTONE
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Product information

Description

The Silverstone FX500 500 W Flex ATX power supply unit is designed for compact servers and small form factor systems requiring a reliable power source. This PSU delivers up to 500 W of continuous power and is built to fit constrained internal spaces with compact dimensions of 81.5 mm (W) x 150 mm (D) x 40.5 mm (H). It includes a 20+4 pin ATX motherboard connector and active cooling via a 40 mm fan. The FX500 is 80 PLUS Gold certified, providing high conversion efficiency across a wide AC input range of 90–264 V and 47–63 Hz frequency.

Advantages

The unit offers high energy efficiency with an 80 PLUS Gold rating, which reduces heat generation and operating costs compared with lower-efficiency models. Its compact Flex ATX form factor and modest weight of 0.96 kg simplify installation in tight server chassis and industrial enclosures. Active cooling with a 40 mm fan maintains stable operating temperatures, while included power cables with a 35 cm motherboard lead and SATA cables of 150 mm and 350 mm support common internal layouts.

Suitable for

  • Compact server builds and rack-mounted microservers
  • Small form factor workstations and industrial PCs
  • Systems requiring reliable 500 W power delivery in limited space
  • Environments where high efficiency (80 PLUS Gold) is desired

Key specifications

  • Total power: 500 W
  • Efficiency: approximately 90% (80 PLUS Gold)
  • Motherboard connector: 20+4 pin ATX
  • Cooling: active cooling with a 40 mm fan
  • AC input voltage: 90–264 V
  • Input frequency: 47–63 Hz
  • Cable lengths: motherboard cable 350 mm; SATA cables 150 mm and 350 mm
  • Dimensions (W×D×H): 81.5 × 150 × 40.5 mm
  • Weight: 0.96 kg
  • Product colour: Black

How to use

Install the Silverstone FX500 into a compatible Flex ATX or small form factor chassis following the chassis manufacturer’s mounting instructions. Connect the 20+4 pin ATX cable to the motherboard main power socket and attach SATA power connectors to storage devices as required. Ensure the AC input is within the specified 90–264 V range and connect to a properly grounded power source. Allow clearance for airflow around the 40 mm fan and route cables to avoid obstructing internal cooling paths.

Usage recommendations

For reliable long-term operation, maintain ambient temperatures within the server or chassis manufacturer’s specified limits, keep dust away from the 40 mm fan, and avoid operating the PSU near its maximum rated load continuously. Use a surge protector or uninterruptible power supply (UPS) when deploying critical systems.

Specifications

Total power:
500 W
Efficiency:
90 %
Motherboard power connector:
20+4 pin ATX
80 PLUS certification:
80 PLUS Gold
Fan diameter:
40 mm
Weight:
0.96 kg
Product colour:
Black
All features

Power

Total power:
500 W
Efficiency:
90 %
Power Factor Correction (PFC) type:
Active
Power protection features:
Over power, Over voltage, Overheating, Short circuit
Power factor:
0.9
Combined power (+3.3V):
90 W
Combined power (+12V):
500 W
Combined power (+5V):
90 W
Max output current (+3.3V):
14 A
Max output current (+12V):
41.67 A
Max output current (+5V):
17 A
Max output current (-12V):
0.3 A
Max output current (+5Vsb):
2.5 A
AC input frequency:
47 - 63
AC input voltage:
90 - 264

Ports & interfaces

Motherboard power connector:
20+4 pin ATX
Floppy disk drive connector:
Yes
PCI Express connector:
Yes
Floppy drive power connector:
1
Number of SATA power connectors:
4
Peripheral (Molex) power connectors (4-pin):
3
ATX power connector (20+4 pin):
Yes
CPU power connector (4+4 pin):
Yes
CPU P4 connector (4-pin):
5
PCI Express power connectors (6+2 pin):
2
Cabling type:
Non-Modular
Motherboard power cable length:
350 mm
SATA power cable length:
150, 350
CPU power cable length:
450 mm
Peripheral (Molex) power cable length:
150, 350
PCI Express power cable length:
350 mm
Floppy disk drive cable length:
150 mm

Performance

Purpose:
Server
80 PLUS certification:
80 PLUS Gold
Mean time between failures (MTBF):
100000 h
Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.
20 dB
ATX version:
2.4
Power supply unit (PSU) form factor:
Flex ATX

Design

Fan diameter:
40 mm
Number of fans:
1 fan(s)
Cooling type:
Active
Product colour:
Black

Weight & dimensions

Weight:
0.96 kg
Height:
40.5 mm
Width:
81.5 mm
Depth:
150 mm

Operational conditions

Operating temperature (T-T):
0 - 40

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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: total power, efficiency, motherboard power connector, 80 plus certification, fan diameter, 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 Power Supply Unit Silverstone FX500?

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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