be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply
Brand be quiet!
From
£89.96
+ £4.95 delivery
You save £2.47 (3%)
4 offers at 4 retailers
Listed since 8 April 2026
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Description
Specifications
| Total power | 850 W |
| Peak power | 900 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Maximum input current (@110V) | 12 A |
| Maximum input current (@220V) | 6 A |
| Power factor | 0.98 |
| Power Factor Correction (PFC) type | Active |
| Number of +12V rail(s) | 1 |
| Combined power (+3.3V) | 120 W |
| Combined power (+12V) | 850 W |
| Combined power (+5V) | 120 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 22 A |
| Max output current (+12V1) | 70.9 A |
| Max output current (+5V) | 22 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Hold time | 17.34 ms |
| Efficiency | 90.5% |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltage |
| Motherboard power connector | 20+4 pin ATX |
| Motherboard power cable length | 55 cm |
| Number of SATA power connectors | 6 |
| SATA power cable length | 500,650,800,950 mm |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| Peripheral (Molex) power cable length | 800 mm |
| PCI Express power connectors (6+2 pin) | 3 |
| PCI Express power connectors (12-pin) | 1 |
| PCI Express power cable length | 60 cm |
| CPU power connector (4+4 pin) | Yes |
| CPU power cable length | 60 cm |
| Cabling type | Non-Modular |
| 80 PLUS certification | 80 PLUS Gold |
| Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| ATX version | 3.1 |
| EPS version | 2.92 |
| Noise level | 25.1 dB |
| Bearing technology | Rifle |
| Mean time between failures (MTBF) | 100000 h |
| Product colour | Black |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| On/off switch | Yes |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -20 - 70 °C |
| Operating relative humidity (H-H) | 0 - 90% |
| Storage relative humidity (H-H) | 0 - 95% |
| Cables included | AC |
| Cable tie(s) included | Yes |
| Compliance certificates | CB, CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE, cTUVus |
| Width | 86 mm |
| Depth | 160 mm |
| Height | 150 mm |
| Weight | 2.7 kg |
| Package width | 133 mm |
| Package depth | 320 mm |
| Package height | 210 mm |
| Package weight | 3.1 kg |
| Sustainability certificates | ENERGY STAR, ErP, Triman |
| Shipping (inner) case length | 56 cm |
| Shipping (inner) case width | 24 cm |
| Shipping (inner) case height | 34 cm |
| Shipping (inner) case net weight | 13.4 kg |
| Products per shipping (inner) case | 4 pc(s) |
| Warranty period | 10 year(s) |
| Screws included | Yes |
Full specifications
| Marque | be quiet! |
| Référence fabricant | bp004eu |
| EAN | 4260052191194 |
be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply: complete technical analysis for 2026
The be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply meets the expectations of buyers who want a quality product without paying over the odds. Thanks to our comparison tool, find the best offer among all partner retailers listed on Compiral. The trust rating shown for each retailer helps you choose a reliable shop with clear return conditions and responsive customer service. If you are unsure, also check the be quiet! Dark Power 14 1000 Watt ATX 3.1 80 Plus Titanium PSU Power Supply from the same brand. A good price comparison can save you between 10% and 30% on your purchase depending on the time of year and available retailers.
Who is this Périphériques informatiques for?
The be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply benefits from the expertise of be quiet! in this category. Its design meets current market standards and satisfies even the most demanding users in their everyday activities. The brand's reliability translates into positive feedback from regular buyers, who particularly appreciate the consistency between the promises of the product sheet and the real-world experience. For the Périphériques informatiques category, this is an option we recommend without hesitation.
For intensive or occasional use
The be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply adapts to different levels of use in the Périphériques informatiques category. Whether you use it intensively every day or more occasionally, this be quiet! product offers appreciated versatility. Regular users value its reliability over time, while occasional users appreciate how easy it is to pick up without any special training. For even more demanding use, also check the be quiet! Dark Power 14 1000 Watt ATX 3.1 80 Plus Titanium PSU Power Supply.
Against the competition
In the Périphériques informatiques market, the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply is well positioned thanks to its price from £94.91 and the strength of be quiet!. Our comparison tool lets you verify in real time whether this positioning still holds against other available offers.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 2250 £ |
| Mid-range | 2250 £ to 5250 £ |
| High-end | Over 5250 £ |
The best times to buy the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply at a lower price are Black Friday in November, the January sales and the summer sales in July. Our price history lets you judge whether the current price is a genuine bargain or whether it is worth waiting a few weeks. Outside these periods, flash promotions remain frequent among Compiral's partner retailers.
Frequently asked questions about be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply
How does the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply compare to competitors in the Périphériques informatiques category?
In the Périphériques informatiques category, the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
Is the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply suitable for beginners?
Yes, the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply is generally appreciated by both beginners and regular users of the Périphériques informatiques category. It is quick to set up and be quiet! usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.
Is there a refurbished version of the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply?
Refurbished versions of the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
When do prices for the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply drop during the year?
Prices for the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Périphériques informatiques category.
Is delivery free for the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply at all retailers?
Free delivery is not guaranteed for the be quiet! Pure Power 12 850W ATX 3.1 80 Plus Gold Power Supply at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.
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