# Power Supply Unit FSP Twins PRO 500W

**URL:** https://aio.lv/en/product--fspfortron-9pa5200503--4283743
**Data updated:** 2025-12-29 15:57 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** fsp/fortron
**Manufacturer code:** 9PA5200503
**EAN:** 4713224523632
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 108.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 90.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fspfortron-9pa5200503--4283743

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The FSP Twins PRO 500W power supply unit delivers a total power of 520 W with an AC input voltage range of 100 - 240 V and a frequency of 50/60 Hz. It features a 20+4 pin ATX motherboard connector and is non-modular, making it suitable for both PC and server applications. With 80 PLUS Gold certification, it ensures high energy efficiency. The active cooling system with a 4 cm fan keeps the unit cool during operation. Included cables: CPU, PCIe, Peripheral (Molex), and SATA.

## Long description

The FSP Twins PRO 500W is a redundant ATX PS2-sized power supply designed for stable operation in PC and server environments. Delivering a combined output of 520 W with wide AC input (100–240 V, 50/60 Hz) and 80 PLUS Gold efficiency, this unit is built for continuous loads and monitoring. It includes a 20+4 pin ATX motherboard connector, active cooling with a 40 mm fan, and fixed (non-modular) cabling including CPU, PCIe, Peripheral (Molex), and SATA connectors.
Advantages
The Twins PRO uses a dual hot-swappable PSU module design that balances power load between two modules and allows replacement of a failed unit without system downtime. A black round ribbon cable design improves heat dissipation and tidiness inside the chassis. The series also includes a power cord locking device to prevent accidental disconnects and supports connection to the FSP Guardian software via USB header for real-time monitoring of input/output power, efficiency, temperatures and system alerts.
Suitable for
Home cloud servers
Mail servers
Small to medium-sized enterprise (SME) web servers
PC systems requiring redundant power
Key specifications
Total power: 520 W
Efficiency: 80 PLUS Gold (approx. 90%)
AC input: 100–240 V, 50/60 Hz
Motherboard connector: 20+4 pin ATX
Cooling: 40 mm fan (active cooling)
Product colour: Black
Cabling: Non-modular — CPU, PCIe, Peripheral (Molex), SATA
How to use
Install the FSP Twins PRO 500W into an ATX PS2-compatible chassis and connect the 20+4 pin ATX connector to the motherboard along with CPU, PCIe and peripheral cables as required. Connect the unit to AC mains (100–240 V) and secure the power cord using the built-in locking device to prevent accidental disconnection. For redundant operation, install both hot-swappable PSU modules; if one module fails, swap it out while the other module continues supplying power.
Usage recommendations
Connect the Twins PRO to the FSP Guardian software via the internal USB header to monitor power, efficiency and temperature in real time, and schedule replacement of hot-swappable modules proactively based on usage and alert thresholds.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 520 W |
| Efficiency | 90 % |
| Power protection features | Under voltage, Short circuit, Overheating, Over voltage, Over power, Over current |
| Max output current (+12V) | 43.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 8 - 4 |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy disk drive connector | Yes |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Non-Modular |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC/Server |
| 80 PLUS certification | 80 PLUS Gold |
| Bearing technology | Ball bearing |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 40 mm |
| Cooling type | Active |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 190 mm |
| Width | 86 mm |
| Depth | 150 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA, Peripheral (Molex), PCIe, CPU |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Power Supply FSP Twins PRO 500W cost, and is it available for purchase?

The price is 108.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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, Installment. All transactions are 100% secure and encrypted.

### Can Power Supply FSP Twins PRO 500W be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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, 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 FSP Twins PRO 500W?

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.

## Image

https://aio.lv/img/cache/product/4283743/64795469_large.webp