Name: be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black
Brand: be quiet!
SKU: cmnozgyckczmvnst2yq4m2nsu
Availability: InStock

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Description

Exceptional quiet, superior featuresPure Power 13 M 850W is an ATX 3.1 compliant and PCIe 5.1 compatible power supply with semi-passive cooling. It offers peerless dependability with best-in-class features. Having both a PCIe 5.1 cable and PCIe 6+2 cables in the scope of delivery, this PSU offers outstanding compatibility with current-gen and next-gen graphics cards. Pure Power 13 M 850W offers the best combination of features with outstanding compatibility.

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	25.09 ms
Efficiency	92.8%
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)	2
Peripheral (Molex) power cable length	800,950 mm
EPS power connector (8-pin)	Yes
PCI Express power connectors (6+2 pin)	4
PCI Express power connectors (12-pin)	1
CPU P4 connector (4-pin)	2
CPU power connector (4+4 pin)	Yes
CPU power cable length	65 cm
Cabling type	Fully-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	30.2 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)
Fan speed	0 - 2000 RPM
On/off switch	Yes
Operating temperature (T-T)	0 - 40 °C
Cables included	AC, CPU, PCIe, Peripheral (Molex), SATA
Compliance certificates	BSMI, CB, CCC, CE, Federal Communications Commission (FCC), IRAM, RCM, RoHS, TÜV mark, UKCA, WEEE, cTUVus
Width	150 mm
Depth	160 mm
Height	86 mm
Weight	2.62 kg
Package width	210 mm
Package depth	320 mm
Package height	133 mm
Package weight	3.4 kg
Sustainability certificates	ENERGY STAR, ErP
Shipping (inner) case length	58 cm
Shipping (inner) case width	32.5 cm
Shipping (inner) case height	23.3 cm
Products per shipping (inner) case	6 pc(s)
Shipping (inner) case gross weight	22.7 kg
Screws included	Yes
Cable ties included	Yes

Full specifications

Marque	be quiet!
Référence fabricant	bp027eu
EAN	4260052192191

be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black: complete technical analysis for 2026

Choosing the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black means opting for the expertise of be quiet! in the Informatique category. Its price starting from £114.46 makes it a serious option on the market. Buyers interested in this brand also look at the be quiet! LIGHT BASE 900 FX Black Full Tower to complete their comparison. On Compiral, all displayed prices are updated regularly and retailers are selected for their reliability and quality of customer service.

Who is this Informatique for?

The be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black 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 Informatique category, this is an option we recommend without hesitation.

For intensive or occasional use

The be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black adapts to different levels of use in the Informatique 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! LIGHT BASE 900 FX Black Full Tower.

Against the competition

In the Informatique market, the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black is well positioned thanks to its price from £114.46 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	For whom	What you get
Entry-level	Under 384300 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	384300 £ to 896710 £	Regular daily use	Good value for money, solid performance
High-end	Over 896710 £	Demanding users	The best of the category, all advanced features

The best times to buy the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black 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 13 M | 850W power supply unit 20+4 pin ATX ATX Black

How does the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black compare to competitors in the Informatique category?

In the Informatique category, the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black 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 13 M | 850W power supply unit 20+4 pin ATX ATX Black suitable for beginners?

Yes, the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black is generally appreciated by both beginners and regular users of the Informatique 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 13 M | 850W power supply unit 20+4 pin ATX ATX Black?

Refurbished versions of the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black 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 13 M | 850W power supply unit 20+4 pin ATX ATX Black drop during the year?

Prices for the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black 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 Informatique category.

Is delivery free for the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black at all retailers?

Free delivery is not guaranteed for the be quiet! Pure Power 13 M | 850W power supply unit 20+4 pin ATX ATX Black 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.