be quiet! Pure Power 11 400W power supply unit 20+4 pin ATX ATX Black
KEY FEATURES
- 80PLUS® Gold efficiency (up to 92%)
- Two strong 12V-rails
- Stable operation thanks to Active Clamp and Synchronous Rectifier (SR) technology
- DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions
- Silence-optimized 120mm be quiet! fan
- Multi-GPU support with two PCIe connectors
- High-quality sleeved cables with easy-plug HDD connector
- Full suite of top safety features
- Meets latest Intel® C6/C7, ErP and Energy Star guidelines
- Supports all Intel® and AMD™ processors
- Product conception, design and quality control in Germany
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Frequently Asked Questions
be quiet! Pure Power 11 400W power supply unit 20+4 pin ATX ATX Black
Description
be quiet! Pure Power 11 400W. Total power: 400 W, AC input voltage: 100 - 240 V, Peak power: 450 W. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 45 cm, SATA power cable length: 450,600,750 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Fan diameter: 12 cm, Number of fans: 1 fan(s). Width: 150 mm, Depth: 150 mm, Height: 86 mm
Exceptionally Quiet, Superior Reliability, Great Value
Pure Power 11 400W offers peerless dependability and best-in-class features. Whether you’re assembling a very quiet system, building a multi-GPU gaming system, or upgrading an existing PC, your build will benefit from this PSU that simply has the best combination of features at a very popular price.
80 PLUS® GOLD CERTIFICATION
Very high operating efficiency
Pure Power 11 400W is certified 80 PLUS Gold with an efficiency rating of up to 92% – a truly outstanding level for this class of PSU. The most compelling benefit: lower power consumption and consequently lower costs, and cooler, quieter operation.
POWER AND COMPATIBILITY FOR YOUR SYSTEM
The best combination of features and performance at a very popular price
Pure Power 11 offers 400W of continuous power with 2 independent 12V rails for signal stability and 2 PCI express connectors for multi-GPU systems. It is suited to very quiet systems, for upgrading or building multimedia or multi-GPU gaming systems.
INNOVATIVE TECHNOLOGIES
DC-to-DC, Active Clamp and Synchronous Rectifier
The use of Active Clamp and Synchronous Rectifier technologies provides very stable operation. The PSU is equipped with DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions. This ensures secure operation for next generation processors and graphics cards.
EXCEPTIONALLY SILENT OPERATION
Achieved by a silence-optimized 120mm be quiet! fan
The silence-optimized 120mm be quiet! fan is thermally governed to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality and the almost inaudible operation that be quiet! is famous for.
HIGH-QUALITY SLEEVED CABLES
Keeping your system tidy and good-looking
Pure Power 400W is equipped with high-quality sleeved cables that simplify component installation, increase airflow and improve cooling. The All-in-one cable has a convenient easy-plug HDD connector.
Warranty: 5-year manufacturer’s warranty
Feature
Easy 14 days Returns
Eligible for Next day Delivery
100% Money-back guarantee
24/7 Customer support
Secure payment method
Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
| Power | |
|---|---|
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Efficiency | 92% |
| Hold time | 29 ms |
| Max output current (+5Vsb) | 3 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5V) | 15 A |
| Max output current (+12V2) | 20 A |
| Max output current (+12V1) | 24 A |
| Max output current (+3.3V) | 24 A |
| Combined power (+5Vsb) | 15 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5V) | 120 W |
| Combined power (+12V) | 384 W |
| Combined power (+3.3V) | 120 W |
| Power Factor Correction (PFC) type | Active |
| Power factor | 0.99 |
| Input current | 6 A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Peak power | 450 W |
| Total power | 400 W |
| Ports & interfaces | |
|---|---|
| Cabling type | Non-Modular |
| Floppy disk drive connector | Yes |
| CPU power cable length | 6 cm |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power cable length | 50 cm |
| PCI Express power connectors (6+2 pin) | 2 |
| SATA power cable length | 450,600,750 mm |
| Number of SATA power connectors | 5 |
| Number of PATA power connectors | 2 |
| Motherboard power cable length | 45 cm |
| Motherboard power connector | 20+4 pin ATX |
| Performance | |
|---|---|
| Certification | ErP, WEEE |
| Safety | CE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CU, CCC |
| Bearing technology | Rifle |
| ATX version | 2.4 |
| 80 PLUS certification | 80 PLUS Gold |
| Power supply unit (PSU) form factor | ATX |
| Purpose | PC |
| Design | |
|---|---|
| Number of fans | 1 fan(s) |
| Fan diameter | 12 cm |
| Product colour | Black |
| Weight & dimensions | |
|---|---|
| Weight | 1.93 kg |
| Height | 86 mm |
| Depth | 150 mm |
| Width | 150 mm |
| Packaging data | |
|---|---|
| Package type | Box |
| Package weight | 2.22 kg |
| Package height | 96 mm |
| Package depth | 240 mm |
| Package width | 210 mm |
| Technical details | |
|---|---|
| Compliance certificates | RoHS |
| Sustainability certificates | ENERGY STAR |
| Logistics data | |
|---|---|
| Products per master (outer) case | 6 pc(s) |
| Master (outer) case gross weight | 14.5 kg |
| Master (outer) case height | 241 mm |
| Master (outer) case length | 514 mm |
| Master (outer) case width | 326 mm |
| Other features | |
|---|---|
| Harmonized System (HS) code | 84733020 |
| Manual | Yes |
| Noise level (full-load mode, 100%) | 14.9 dB |
| Noise level (quiet mode, 50%) | 11.4 dB |
| Noise level (silent mode, | 10.5 dB |
| Cable ties included | Yes |
| Screws included | Yes |
Frequently Asked Questions
When will it arrive?
Any order over £99 wil be shipped on our free 2-3 working day service, if you opt for Next Working Day shipping then this will be with you the next working day between 09:00 and 18:00. Deliveries to Northern Ireland, Channel Islands and the Scottish Highlands will be on a 3 day service.
Do you offer a credit account?
We offer credit accounts to Gotraka Business customers, please enquire with our customer support team for more information. Credits accounts are subject to KYC.
How long is the returns policy?
For most products bought online, you have a legal right to change your mind within 14 days and receive a refund. If you wish to return unwanted products, you must let us know that you want to return them within 14 calendar days from the day after delivery. The item must also be returned to us within 7 working days from approval of return and receipt of the return label.
How long will it take to receive my order?
This is something that we are working hard to bring to you - we recognise that having deliveries on preferred days not only makes it easier for you but it is also great for the environment. By having deliveries arranged on days that you are going to be in or consolidating your orders to arrive to you at the same time means that the courier won't need to come back multiple times due to missed deliveries or multiple deliveries.
Can I change my delivery address once the order has been placed?
Our systems are highly automated, where possible we will do our utmost to accommodate this. To ensure we maintain a high delivery success rate most of our orders are picked and prepped for shipment within 30 minutes
How do I return my order?
If you need to return your order please raise a return through your order page detailing the reason for return. Once this form has been submitted it will be reviewed by the Returns Department who will contact you to arrange the return.
Please note the returns department may ask for more information such as the serial number(s) and images where applicable to process the return.
How long do I have to return an item?
For most products bought online, you have a legal right to change your mind within 14 days and receive a refund. If you wish to return unwanted products, you must let us know that you want to return them within 14 calendar days from the day after delivery. The item must also be returned to us within 7 working days from approval of return and receipt of the return label
Are returns free?
Returns for faulty / damaged items will be free of charge
Returns for unwanted items that have no fault will incur a minimal returns fee - delivery charges will not be refunded
Can’t find what you’re looking for?
Our friendly support team is just a message away, ready to assist with anything. Our team is experienced with gaming gear, home tech, and everything in between—feel free to reach out.
📧 Email: help@gotraka.com
📞 Phone: 020 8208 1234
💬 Live Chat: Available 9 AM – 6 PM ( Monday - Friday )
