# Power Supply Unit be quiet! BN338 1000 W

**URL:** https://aio.lv/en/product--bequiet-bn338--10504027
**Data updated:** 2025-12-30 08:45 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** bequiet!
**Manufacturer code:** BN338
**EAN:** 4260052189436
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 207.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 171.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bequiet-bn338--10504027

## 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 be quiet! BN338 power supply unit delivers a total power of 1000 W with 80 PLUS Platinum certification, ensuring high efficiency. It features a 20+4 pin ATX motherboard connector and comes with various SATA power cable lengths (550, 700, 850, 1000 mm). The active cooling system with a 13.5 cm fan ensures optimal performance, making it ideal for PC builds. Input voltage ranges from 100 to 240 V, with a peak power of 1070 W.

## Long description

The be quiet! BN338 1000 W power supply unit is an 80 PLUS Platinum certified ATX PSU designed for high-efficiency operation in desktop systems. Delivering 1000 W continuous power with a peak capability up to 1070 W, this PSU features a 20+4 pin ATX motherboard connector, a 135 mm Silent Wings-style fan for quiet active cooling, and fully modular sleeved cables up to 100 cm to simplify installation and cable management.
Advantages
With 80 PLUS Platinum certification and an efficiency of around 91.8%, the BN338 reduces power consumption and heat output compared with lower-efficiency models. The large 135 mm fan provides effective cooling while keeping noise low, and the use of high-quality components contributes to stable voltage regulation and long-term reliability. Modular, sleeved cables help maintain clean builds and improve airflow inside the case.
Suitable for
High-performance gaming PCs and workstations requiring up to 1000 W continuous power
Systems using modern GPUs and CPUs that benefit from stable 12V delivery
Enthusiast builds where quiet operation and neat cable management are priorities
Key specifications
Total power: 1000 W (peak 1070 W)
Efficiency: up to 91.8% (80 PLUS Platinum)
Motherboard connector: 20+4 pin ATX
Fan diameter: 135 mm
Modular sleeved cable lengths: up to 100 cm (SATA cable options: 550, 700, 850, 1000 mm)
Input voltage: 100–240 V
Color: Black
Weight: 1.85 kg
How to use
Mount the PSU in your PC case following the case manufacturer’s instructions, connect the 20+4 pin ATX connector to the motherboard and attach the required modular power cables to GPUs, drives and other components. Ensure the input voltage selector (if present) matches your mains supply and secure all connections before powering the system. Allow for adequate ventilation around the PSU fan intake to maintain low operating temperatures.
Usage recommendations
For stable long-term operation, pair the BN338 1000 W with components whose combined continuous power draw stays below the PSU’s 1000 W rating; reserve the peak capability for short transient loads. Keep the PSU and surrounding area free of dust and ensure good case airflow to maintain efficiency and reduce noise.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 1000 W |
| Efficiency | 91.8 % |
| Peak power | 1070 W |
| Hold time | 25.3 ms |
| Power protection features | Over voltage, Overheating, Under voltage, Over power, Over current |
| Power factor | 0.99 |
| Combined power (+3.3V) | 150 W |
| Combined power (+12V) | 999.6 W |
| Combined power (+5V) | 150 W |
| Max output current (+3.3V) | 25 A |
| Max output current (+12V) | 83.3 A |
| Max output current (+5V) | 25 A |
| Max output current (-12V) | 0.5 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 13/6.5 |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 9 |
| EPS power connector (8-pin) | Yes |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Fully-Modular |
| Number of PATA power connectors | 2 |
| Motherboard power cable length | 600 mm |
| SATA power cable length | 550, 700, 850, 1000 |
| CPU power cable length | 700 mm |
| Peripheral (Molex) power cable length | 850 |
| PCI Express power cable length | 600 mm |
| EPS power connector (4+4 pin) | Yes |
| PCI Express power connectors (16-pin) | 1 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Platinum |
| Mean time between failures (MTBF) | 100000 h |
| Noise level | 28.9 dB |
| Bearing technology | FDB |
| ATX version | 3.0 |
| EPS version | 2.92 |
| Supported motherboard form factors | ATX, Micro ATX, Mini-ATX |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 135 mm |
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan speed | 0 - 2100 |
| On/off switch | Yes |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, WEEE, UKCA, Federal Communications Commission (FCC), RoHS |

### Technical details

| Feature | Value |
|---|---|
| Sustainability compliance | Yes |
| Sustainability certificates | ENERGY STAR, Triman, ErP |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.85 kg |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 160 mm |

### Operational conditions

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

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 3560 g |
| Package depth | 328 mm |
| Package height | 102 mm |
| Package width | 248 mm |
| Package type | Box |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA, CPU |
| Cable tie(s) included | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Shipping (inner) case width | 282 mm |
| Shipping (inner) case length | 651 mm |
| Shipping (inner) case height | 346 mm |
| Products per shipping (inner) case | 6 pc(s) |
| Shipping (inner) case net weight | 22940 g |
| Warranty period | 10 year(s) |

## FAQ

### How much does the Power Supply Unit be quiet! BN338 cost, and is it available for purchase?

The price is 207.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1088 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, Installment. All transactions are 100% secure and encrypted.

### Can Power Supply Unit be quiet! BN338 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 bequiet! 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 bequiet! 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 be quiet! BN338?

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/10504027/64810191_large.webp