# Power Supply Unit Silverstone SX450-B 450 W

**URL:** https://aio.lv/en/product--silverstone-sst-sx450-b--4254394
**Data updated:** 2025-12-29 15:54 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** SILVERSTONE
**Manufacturer code:** SST-SX450-B
**EAN:** 4710007227930
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 91.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 76.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--silverstone-sst-sx450-b--4254394

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The Silverstone SX450-B is a compact SFX power supply unit with a total power of 450 W. It features a 24-pin ATX motherboard connector and supports a wide AC input voltage range of 90 - 265 V. With an 80 PLUS Bronze certification, it ensures efficient power delivery. The PSU includes one 8 cm fan for cooling and comes with SATA power cables of varying lengths (100, 200, 300 mm). Dimensions are 125 mm (W) x 100 mm (D) x 63.5 mm (H). Ideal for PC builds requiring reliable power.

## Long description

The Silverstone SX450-B 450 W is a compact SFX power supply unit designed for small-form-factor PC builds. It delivers up to 450 W total power, includes a 24-pin ATX motherboard connector and supports a wide AC input range of 90–265 V. The unit is finished in black, has an 80 mm cooling fan and comes with SATA power cables in lengths of 100, 200 and 300 mm. With 80 PLUS Bronze certification and compliance with the IEC 62368-1 safety standard, the SX450-B provides efficient and standards-compliant power delivery for reliable system operation.
Advantages
The SX450-B combines 80 PLUS Bronze efficiency with a quiet 80 mm fan to reduce energy losses and keep noise low. Its Active PFC circuitry improves power factor and overall efficiency, while the Forward + DC-to-DC topology enhances voltage stability and supply reliability. Compliance with the IEC 62368-1 safety standard ensures the unit meets current safety requirements.
Suitable for
Compact SFX and small-form-factor gaming or workstation PCs
Home and office systems requiring a reliable 450 W power source
Builds where 24-pin ATX compatibility and short PSU depth are needed
Key specifications
Total power: 450 W
Efficiency: 80 PLUS Bronze (approx. 85%)
Motherboard connector: 24-pin ATX
AC input range: 90–265 V
Fan diameter: 80 mm
Dimensions (W × D × H): 125 × 100 × 63.5 mm
Weight: 0.91 kg
Colour: Black
Safety standard: IEC 62368-1
How to use
Install the SX450-B into a compatible SFX or SFX-to-ATX adapter bay following your chassis manual. Connect the 24-pin ATX cable to the motherboard and attach SATA, peripheral or PCIe connectors as required by your components. Ensure the AC mains input matches the specified 90–265 V range and secure the PSU before powering on the system. Allow clearance for airflow around the 80 mm fan and route cables to avoid obstructing case ventilation.
Usage recommendations
For stable operation, use the SX450-B in systems where the total continuous load does not exceed the rated 450 W. Maintain case airflow, inspect and clean the fan periodically, and avoid operating the PSU in high-temperature or high-dust environments to prolong service life.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 450 W |
| Efficiency | 85 % |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over current, Over power, Over voltage, Short circuit, Under voltage |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 450 W |
| Combined power (+5V) | 120 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 37.5 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| AC input frequency | 47 - 63 |
| AC input voltage | 90 - 265 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 24-pin ATX |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 3 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Non-Modular |
| Motherboard power cable length | 300 mm |
| SATA power cable length | 300, 100, 200 |
| Peripheral (Molex) power cable length | 300, 200 |
| PCI Express power cable length | 400 mm |
| Floppy disk drive cable length | 100 mm |
| EPS power connector (4+4 pin) | Yes |

### Performance

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

### Design

| Feature | Value |
|---|---|
| Fan diameter | 80 mm |
| Number of fans | 1 fan(s) |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.91 kg |
| Height | 63.5 mm |
| Width | 125 mm |
| Depth | 100 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Box |

### Logistics data

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

## FAQ

### How much does the Power Supply Unit Silverstone SX450-B cost, and is it available for purchase?

The price is 91.99 € (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 15.07.2026 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 Silverstone SX450-B 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 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. 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, 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 SX450-B?

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/4254394/64794960_large.webp