be quiet! Pure Power 12 M power supply unit 850 W 20+4 pin ATX ATX Black

SKU
BN344
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850W, ATX 3.0, 100 - 240V, 50 - 60Hz, 160 x 150 x 86mm, Black
EXCEPTIONAL QUIET, SUPERIOR FEATURES

Pure Power 12 M 850W is ATX 3.0 compliant and PCIe 5.0 compatible and offers peerless dependability with best-in-class features. Pure Power 12 M 850W offers the best combination of features with outstanding compatibility.

80 PLUS® GOLD CERTIFIED
Very high operating efficiency
Pure Power 12 M 850W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 93.2%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M 850W is always the correct choice for quiet systems and gaming PCs!

FUTURE-PROOF YOUR SYSTEM
Fulfills all ATX 3.0 specifications
Pure Power 12 M 850W is an ATX 3.0 PSU and comes with both native integration of the 12VHPWR connector for next-generation PCIe 5.0 graphics cards, and PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for present high-end systems and the ones to come.

THE NEW STANDARD OF POWER
For massive transient loads
Pure Power 12 M offers 850W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 850W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.

UNPRECEDENTED SILENT OPERATION
Achieved with a silence-optimized be quiet! fan
The exceptionally silent 120mm be quiet! fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class
quiet functionality.

HIGH-CLASS TECHNOLOGIES
Rock-solid stability
With its LLC topology Pure Power 12 M 850W provides a best-in-class voltage regulation and efficiency. That makes it perfect for building or upgrading very quiet systems as well as gaming and media creation PCs.

MODULAR CABLES
Utmost convenience and compatibility
Thanks to their modularity, all unnecessary cables in the system are left out. Pure Power 12 M 850W simplifies cable management and routing for a tidy-looking system. A smoother airflow results from the uncluttered layout of the system, which means lower noise and temperatures inside the case.
SKU BN344
EAN 4260052189498
Specification
Cooling
Fan diameter12 cm
Number of fans1 fan(s)
Fan locationTop
Cooling typeActive
Performance
On/off switchYes
Power supply unit (PSU) form factorATX
Noise level (quiet mode, 50%)9.5 dB
Noise level (silent mode, <30%)9.4 dB
Noise level (full-load mode, 100%)25.7 dB
80 PLUS certification80 PLUS Gold
PurposePC
ATX version3.0
EPS version2.92
Noise level25.7 dB
Mean time between failures (MTBF)100000 h
Design
80 PLUS certification80 PLUS Gold
Product colourBlack
Fan diameter12 cm
On/off switchYes
Number of fans1 fan(s)
Fan locationTop
Cooling typeActive
Power
Total power850 W
Power Good signal delay range100 - 150 ms
Peak power900 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Input current12 / 6 A
Power factor0.98
Power Factor Correction (PFC) typeActive
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 (+12V)70.9 A
Max output current (+12V1)40 A
Max output current (+12V2)36 A
Max output current (+5V)22 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit
Efficiency93.2%
Ports & interfaces
Motherboard power cable length55 cm
SATA power cable length500,600,650,800,950 mm
Peripheral (Molex) power cable length550 mm
Motherboard power connector20+4 pin ATX
Number of SATA power connectors6
Number of PATA power connectors2
Peripheral (Molex) power connectors (4-pin)1
EPS power connector (8-pin)Yes
PCI Express power connectors (6+2 pin)4
PCI Express connectorYes
ATX power connector (20+4 pin)Yes
Cabling typeFully-Modular
EPS power connector (4+4 pin)Yes
Operational conditions
Operating temperature (T-T)0 - 40 °C
Packaging content
Cables includedPATA, PCIe, Peripheral (Molex), SATA
Screws includedYes
Number of screws5
Cable ties includedYes
Weight & dimensions
Width160 mm
Depth150 mm
Height86 mm
Packaging data
Cables includedPATA, PCIe, Peripheral (Molex), SATA
Screws includedYes
Number of screws5
Cable ties includedYes
Package typeBox
Technical details
Sustainability complianceYes
Sustainability certificatesENERGY STAR, ErP
Warranty period10 year(s)
Compliance certificatesRoHS
Certificates
80 PLUS certification80 PLUS Gold
Other features
Screws includedYes
Number of screws5
Cable ties includedYes
Noise level (quiet mode, 50%)9.5 dB
Noise level (silent mode, <30%)9.4 dB
Noise level (full-load mode, 100%)25.7 dB
Manufacturer be quiet!
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