be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply

be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply

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Listed since 8 April 2026

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Description

World Class Quiet and EfficiencyStraight Power 12 is a future-proof ATX 3.1 power supply with 80 PLUS® Platinum certification and virtually inaudible operation.80 PLUS® PLATINUM CERTIFIEDHighly efficient operationStraight Power 12 1500W is certified with 80 PLUS Platinum and an energy efficiency rating of up to 93.9%. This provides lots of benefits for your high-end system, including less power consumption and an overall cooler and quieter operation.FUTURE-PROOF YOUR SYSTEMFulfills all ATX 3.1 specificationsStraight Power 12 1500W is an ATX 3.1 PSU and comes with both native integration of 12V-2x6 connectors for next-generation PCIe 5.1 graphics cards, and 4 PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come.THE NEW STANDARD OF POWERFor massive transient loadsStraight Power 12 offers 1500W of continuous power with one massive 12V rail. Even if the graphics card demands excessive power for a short time: Straight Power 12 1500W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.SILENT WINGS FANProvides virtually inaudible operationThe high-end Silent Wings fan delivers best-of-class airflow yet produces very little noise. This is thanks to its unique, optimized fan blade design along with an advanced fluid-dynamic bearing and 6-pole fan motor that largely eliminates operational noise, has a super-long life and minimalpower consumption.FLAWLESS COOLING CONCEPTFor a longer lifespanThe funnel-shaped fan inlet of the Straight Power 12 1500W increases airflow while reducing unwanted turbulence for a higher cooling performance. The wire-free design inside allows the cool air to reach all components which ultimately leads to a longer lifespan.STATE-OF-THE-ART TECHNOLOGIESRock-steady signal stability and efficiencyWith full bridge LLC Straight Power 12 1500W offers advanced technologies, resulting in higher efficiency, better regulation and lower ripple noise for an incomparably stable operation. JAPANESE 105°C CAPACITORSA testament to high qualityOnly premium components are used in Straight Power 12 1500W. That is why this PSU features exclusively high-quality Japanese capacitors. They are rated at 105°C for stability, reliability, and a long operating life.CONVENIENCE AND CONNECTIVITYMaximum utilityModular, sleeved cables of up to 100cm in length simplify component installation and reduce annoying clutter. This results in increased airflow and improved cooling - even in the largest PC cases.

Specifications

Total power 750 W
Peak power 820 W
AC input voltage 110 - 240 V
AC input frequency 50/60 Hz
Input current 10/5 A
Power factor 0.99
Combined power (+3.3V) 130 W
Combined power (+12V) 750 W
Combined power (+5V) 130 W
Max output current (+3.3V) 25 A
Max output current (+12V) 62.5 A
Max output current (+5V) 25 A
Max output current (-12V) 0.3 A
Max output current (+5Vsb) 3 A
Hold time 24.8 ms
Efficiency 92.9%
Power protection features Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Motherboard power connector 20+4 pin ATX
Motherboard power cable length 60 cm
Number of SATA power connectors 9
Number of PATA power connectors 2
SATA power cable length 550,700,850,1000 mm
Peripheral (Molex) power cable length 1000,850 mm
EPS power connector (8-pin) Yes
EPS power connector (4+4 pin) Yes
PCI Express power connectors (6+2 pin) 4
PCI Express power connectors (16-pin) 1
PCI Express power cable length 60 cm
CPU power cable length 70 cm
Cabling type Fully-Modular
80 PLUS certification 80 PLUS Platinum
Supported motherboard form factors ATX, micro ATX, Mini-ATX
Purpose PC
Power supply unit (PSU) form factor ATX
ATX version 3.1
EPS version 2.92
Noise level 20.8 dB
Bearing technology FDB
Mean time between failures (MTBF) 100000 h
Product colour Black
Cooling type Active
Fan diameter 13.5 cm
Number of fans 1 fan(s)
Fan speed 0 - 1800 RPM
On/off switch Yes
Operating temperature (T-T) 0 - 40 °C
Cables included CPU, SATA
Cable tie(s) included Yes
Compliance certificates CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE
Width 150 mm
Depth 160 mm
Height 86 mm
Weight 1.76 kg
Package width 248 mm
Package depth 328 mm
Package height 102 mm
Package weight 3.47 kg
Package type Box
Sustainability compliance Yes
Shipping (inner) case length 65.1 cm
Shipping (inner) case width 28.2 cm
Shipping (inner) case height 34.6 cm
Shipping (inner) case net weight 22.4 kg
Products per shipping (inner) case 6 pc(s)
Warranty period 10 year(s)

Full specifications

Marque be quiet!
Référence fabricant bn336
EAN 4260052189412

be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply in 2026: still the right choice?

The be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply is a well-regarded reference in the Périphériques informatiques category. In 2026, it remains one of the most relevant choices for those seeking to balance quality and budget. The brand be quiet! has a strong reputation among consumers, reflected in its consistent availability across many partner retailers. Thanks to our comparison tool, you can see all available offers at a glance and go directly to the retailer of your choice to complete your purchase with confidence.

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With the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply, be quiet! delivers a quality level consistent with its market positioning. This product suits both newcomers and regular users of the Périphériques informatiques category. Its quick setup and reliable performance make it a recommended choice for anyone looking to invest in durable equipment without facing technical complications in the first weeks of use.

Value for money analysed in 2026

At £137.57, the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply offers value for money consistent with its positioning in the Périphériques informatiques category. be quiet! maintains a consistent quality level across this range, justifying the investment at this price. Compare with other available offers on our comparison tool to ensure you get the best rate at the time of purchase. The be quiet! Dark Power 14 1000 Watt ATX 3.1 80 Plus Titanium PSU Power Supply from the same range may also interest you for comparison.

Serious alternatives to consider

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Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 2340 £
Mid-range2340 £ to 5460 £
High-endOver 5460 £

The be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply is available from several trusted retailers. Always check stock availability and delivery times before finalising your order to avoid any unpleasant surprises. On Compiral, offers showing "In stock" can be delivered quickly, often within 2 to 5 working days depending on the retailer and your delivery address.

Frequently asked questions about be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply

Is delivery free for the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply at all retailers?

Free delivery is not guaranteed for the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum 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.

How do I return the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply worth its price in 2026?

In 2026, the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply is listed from £137.57 at our partner retailers. This price is consistent with the positioning of be quiet! in the Périphériques informatiques category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

What warranty does the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply come with?

The be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from be quiet!, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.

Is the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply in stock?

Stock availability for the be quiet! Straight Power12 750W ATX 3.1 80 PLUS Platinum Power Supply is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Périphériques informatiques category.

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