# Power Supply Unit GIGABYTE P450B 450 W

**URL:** https://aio.lv/en/product--gigabyte-gp-p450b--3550882
**Data updated:** 2025-12-01 20:32 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** GIGABYTE
**Manufacturer code:** GP-P450B
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gigabyte-gp-p450b--3550882

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The GIGABYTE P450B is a reliable 450 W power supply unit designed for PCs. It features a 20+4 pin ATX motherboard connector and supports an AC input voltage of 100 - 240 V with a frequency of 50 - 60 Hz. The PSU is 80 PLUS Bronze certified, ensuring efficient power usage. With an active cooling system and a 12 cm fan, it maintains optimal temperatures. Dimensions are 150 mm (W) x 140 mm (D) x 86 mm (H), making it a compact choice for any build.

## Long description

The P450B power supply is 80 PLUS Bronze certified, delivering up to 85% efficiency at 50% load to reduce wasted energy, heat and fan noise. It features a single +12V rail for stable power delivery and compatibility with a wide range of hardware, a 120mm hydraulic-bearing fan with automatic speed control for quieter operation, and reliable flat cables that reduce clutter and improve internal airflow. Multiple built-in protections help maintain system stability under varying conditions.
Advantages
The P450B combines Bronze-level efficiency with a single +12V rail design to provide stable output suitable for typical desktop and entry-level gaming builds. Flat cables improve case airflow and cable management while the hydraulic-bearing 120mm fan offers long service life and automatic speed adjustment to minimize noise. Comprehensive protection circuits (OCP, OTP, OVP, OPP, UVP, SCP) enhance system safety.
Key specifications
Certification: 80 PLUS Bronze (≈85% efficiency at 50% load)
Fan: 120mm hydraulic bearing (automatic speed control)
Rail design: Single +12V rail
Cabling: Flat cables for improved airflow and cable management
Protections: OCP, OTP, OVP, OPP, UVP, SCP
How to use
Install the P450B into a compatible ATX case, secure it with the mounting screws, and connect the motherboard, CPU and peripheral cables according to your system layout. Route the flat cables along case edges to improve airflow and avoid blocking fans. The fan speed is controlled automatically based on power/temperature, so no manual adjustment is required. Verify correct voltages and connections before powering on the system.
Recommendations
For optimal operation, use the P450B with systems that match its power rating and ensure good case ventilation. Regularly inspect cables and connections and keep dust away from the fan to maintain efficiency and reliability.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 450 W |
| Efficiency | 85 % |
| Power Factor Correction (PFC) type | Active |
| Hold time | 16 ms |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power factor | 0.9 |
| Combined power (+3.3V) | 103 W |
| Combined power (+12V) | 432 W |
| Combined power (+5V) | 103 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 18 A |
| Max output current (+12V) | 36 A |
| Max output current (+5V) | 15 A |
| Max output current (-12V) | 0.3 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 |
| PCI Express connector | Yes |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| ATX power connector (20+4 pin) | Yes |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Non-Modular |
| Motherboard power cable length | 550 mm |
| SATA power cable length | 500 |
| CPU power cable length | 600 mm |
| Peripheral (Molex) power cable length | 500 |
| PCI Express power cable length | 550 mm |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Bronze |
| Mean time between failures (MTBF) | 100000 h |
| Bearing technology | HDB |
| ATX version | 2.31 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan location | Top |
| On/off switch | Yes |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |

### Logistics data

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

## FAQ

### How much does the Power Supply GIGABYTE P450B cost, and is it available for purchase?

The price is 36.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 643 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 01.07.2026 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. 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 GIGABYTE 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 GIGABYTE 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 GIGABYTE P450B?

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/3550882/64787148_large.webp