# Power Supply Unit Seasonic SSP-300SFB 300W

**URL:** https://aio.lv/en/product--seasonic-ssp-300sfb--4018869
**Data updated:** 2026-03-11 11:44 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** SEASONIC
**Manufacturer code:** SSP-300SFB
**EAN:** 4711173873518
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 58.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--seasonic-ssp-300sfb--4018869

## 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 Seasonic SSP-300SFB is a reliable 300W power supply unit designed for PCs. It features a 20+4 pin ATX motherboard connector, non-modular cabling, and operates on an AC input voltage of 100 - 240 V with a frequency of 47 - 63 Hz. With an 80 PLUS Bronze certification, it ensures energy efficiency. The active cooling system and stainless steel design enhance durability and performance. Certified by CB, cUL, TUV, CCC, BSMI, CE, FCC, and RCM.

## Long description

The Seasonic SSP-300SFB 300W power supply unit is a compact SFX-style PSU engineered for reliable desktop and small-form-factor PC installations. It delivers a rated total power of 300 W with a 20+4 pin ATX motherboard connector and non-modular cabling. Designed for universal compatibility, the unit supports an AC input range of 100–240 V at 47–63 Hz and includes active cooling. The stainless steel enclosure and multiple international safety certifications make it suitable for continuous operation in office, home, or light industrial environments.
Advantages
The SSP-300SFB combines a compact SFX form factor with a stable 300 W output and high efficiency. With an 80 PLUS Bronze certification and stated peak efficiency figures consistent with SFX design expectations, the unit reduces wasted energy and heat compared with lower-efficiency models. Its non-modular cabling ensures a simple, cost-effective installation, while the stainless steel housing improves mechanical durability and EMI shielding. Multiple safety approvals provide assurance for regulated deployments.
Suitable for
Small-form-factor desktop PCs where space is limited
Office and home workstations with modest power requirements
Systems requiring broad AC input compatibility for international use
Environments that benefit from certified safety and stable cooling
Key specifications
Total output power: 300 W
Efficiency: up to 95% (manufacturer-stated), 80 PLUS Bronze classification
AC input voltage: 100–240 V, 47–63 Hz
Connector: 20+4 pin ATX motherboard connector
Cabling: non-modular
Cooling: active fan cooling
Enclosure material and colour: stainless steel
Form factor compliance: SFX 12 V v.2.31
Protection and certifications: CB, cUL, TUV, CCC, BSMI, CE, FCC, RCM
How to use
Install the Seasonic SSP-300SFB in a compatible SFX or adaptable small-form-factor chassis following the chassis manufacturer’s mounting instructions. Connect the 20+4 pin ATX cable to the motherboard and attach peripheral cables to components as required. Verify that the system’s combined component power draw stays within the 300 W rating. Ensure the unit receives proper ventilation and attach the AC input cable to a grounded mains outlet within the specified 100–240 V range.
Usage recommendations
For reliable operation, allow unobstructed airflow around the unit and avoid exceeding the rated load. Use the PSU in systems with compatible SFX mounting or with an appropriate adapter bracket. Periodically inspect the fan and connectors for dust and secure connections to maintain efficiency and safety.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 300 W |
| Efficiency | 95 % |
| Combined power (+3.3V) | 110 W |
| Combined power (+12V) | 252 W |
| Combined power (+5V) | 10 W |
| Combined power (-12V) | 9.6 W |
| Combined power (+5Vsb) | 10 W |
| Max output current (+3.3V) | 14 A |
| Max output current (+12V) | 18 A |
| Max output current (+5V) | 17 A |
| Max output current (-12V) | 0.8 A |
| Max output current (+5Vsb) | 2 A |
| AC input frequency | 47 - 63 |
| AC input voltage | 100 - 240 |
| Max output current (+12V1) | 18 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Cabling type | Non-Modular |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| Mean time between failures (MTBF) | 100000 h |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Cooling type | Active |
| On/off switch | Yes |
| Product colour | Stainless steel |

### Certificates

| Feature | Value |
|---|---|
| Certification | CB, cUL, TUV, CCC, BSMI, CE, FCC, RCM |

### Other features

| Feature | Value |
|---|---|
| Mounting type | Rack mounting |

## FAQ

### How much does the Power Supply Unit Seasonic SSP-300SFB cost, and is it available for purchase?

The price is 70.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 Unit Seasonic SSP-300SFB 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 SEASONIC 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 SEASONIC 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, 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 Seasonic SSP-300SFB?

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/4018869/64791009_large.webp