# FSP FlexGURU 300W power supply unit 20+4 pin ATX Flex ATX Black

**URL:** https://aio.lv/en/product--oem-ppa3004300--11412982
**Data updated:** 2026-06-22 11:32 (EEST)
**Category:** UPS
**Manufacturer:** OEM
**Manufacturer code:** PPA3004300
**EAN:** 4713224522529
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 170.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 141.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-ppa3004300--11412982

## 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 | 53.99 EUR |

## Summary description

The FSP FlexGURU 300W power supply unit features a 20+4 pin ATX connector, fully-modular cabling, and a compact Flex ATX form factor. It operates on an AC input voltage of 100-240V and frequency of 50-60Hz. Designed for servers, it includes one 4 cm fan with ball bearing technology for efficient cooling. The unit supports various cables including CPU, Molex, and SATA, making it versatile for different setups.

## Long description

The FSP FlexGURU 300W power supply unit is a high-performance, compact solution designed specifically for systems requiring the Flex ATX form factor. This power supply offers a reliable 300W output and features a fully modular cabling design, allowing users to connect only the cables necessary for their specific build. With its black finish and robust construction, it integrates seamlessly into professional server environments and compact desktop chassis.
Advantages
The primary advantage of the FSP FlexGURU 300W is its fully modular design, which significantly simplifies the installation process and improves airflow within confined spaces by eliminating unnecessary cable clutter. The unit utilizes a high-quality 4 cm ball-bearing fan that ensures efficient cooling and long-term reliability even under continuous operation. Its versatile connector set, including CPU, Molex, and SATA options, provides broad compatibility with various hardware configurations, while the plug-in design allows for rapid component replacement and easier system maintenance.
Suitable for
Compact server builds
Small form factor (SFF) desktop computers
Industrial PC systems requiring Flex ATX power
Custom builds where cable management is a priority
When it may not be suitable
This power supply is not suitable for high-end gaming rigs or workstations that require significantly more than 300W of power to support power-hungry graphics cards or high-core-count processors. Additionally, it is designed specifically for the Flex ATX form factor and may not fit into standard ATX or Micro-ATX cases without appropriate mounting adapters.
Key specifications
Power output: 300W
Form factor: Flex ATX
Connector type: 20+4 pin ATX
Cooling: 4 cm ball-bearing fan
Input voltage: 100-240V AC
Input frequency: 50-60Hz
Cabling: Fully modular
How to use
To install the FSP FlexGURU 300W, first ensure your system chassis supports the Flex ATX form factor. Mount the unit securely using the appropriate screws provided with your case. Connect the necessary modular cables to the power supply unit before installing it if space is limited. Attach the 20+4 pin ATX connector to the motherboard, followed by the CPU, SATA, and Molex cables required for your storage drives and peripherals. Ensure all connections are firmly seated before powering on the system.
What to consider before purchase
Verify that your chassis supports the Flex ATX form factor dimensions.
Calculate your total system power consumption to ensure 300W is sufficient.
Check the length of the provided modular cables to ensure they reach your components.
Confirm that your motherboard requires a 20+4 pin ATX connector.
Usage recommendations: Regularly inspect the intake and exhaust areas of the power supply to ensure they remain free of dust accumulation, which can impede the performance of the 4 cm cooling fan and affect overall system thermal efficiency.

## Specifications

| Feature | Value |
|---|---|
| Floppy disk drive connector | Yes |
| Bearing technology | Ball bearing |
| Input current | 6-3 |
| Number of fans | 1 fan(s) |
| Motherboard power connector | 20+4 pin ATX |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 4 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| ATX power connector (20+4 pin) | Yes |
| CPU power connector (4+4 pin) | Yes |
| Combined power (+3.3V) | 70 W |
| Combined power (+5V) | 70 W |
| Max output current (+3.3V) | 12 A |
| Max output current (+12V) | 25 A |
| Max output current (+5V) | 14 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |
| Cabling type | Fully-Modular |
| Total power | 300 W |
| Power supply unit (PSU) form factor | Flex ATX |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Fan diameter | 40 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 81.5 mm |
| Width | 40.5 mm |
| Depth | 150 mm |

### Packaging content

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

### Other features

| Feature | Value |
|---|---|
| Purpose | Server |

### Features

| Feature | Value |
|---|---|
| Efficiency | 90 % |
| Power protection features | Over current, Under voltage, Short circuit, Over power |
| Power Factor Correction (PFC) type | Active |

### Logistics data

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

## FAQ

### How much does the FSP FlexGURU 300W power supply unit cost, and is it available for purchase?

The price is 170.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 FSP FlexGURU 300W power supply unit 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 OEM 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 OEM 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: 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.

## Image

https://aio.lv/img/cache/product/11412982/66189273_large.webp