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be quiet! Pure Power 12 M BN346

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be quiet! Pure Power 12 M BN346
2023Pure80+ Gold10 year warranty
550 W
24+8 (4+4) pin
650 W
24+8+4 pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
1000 W
24+8+8(4+4) pin
1200 W
24+8+8(4+4) pin
Main
Power1200 W
Form factorATX
Specs
PFCactive
Efficiency93 % / 50% load /
Cooling systemactive (fan)
Fan size120 mm
Fan bearingsliding
Certification80+ Gold
ATX12V version3.1
EPS12V version2.92
Power connectors
MB/CPU power supply24+8+8(4+4) pin
SATA6
MOLEX2
PCI-E 8pin (6+2)4
PCI-E 16pin1
Cable systemmodular
Cable length
MB550 mm
CPU600 mm
SATA650 mm
MOLEX800 mm
PCI-E500 mm
Max. power
+3.3V22 А
+5V22 А
+12V155 А
+12V250 А
-12V0.3 А
+5Vsb3 А
+12V1200 W
+3.3V +5V120 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOTP, OCP, UVP, SIP
Noise level9 dB
Manufacturer's warranty10 years
Dimensions (HxWxD)86x150x160 mm
Weight1.92 kg
Official Websitebequiet.com
Added to E-CatalogAugust 2023
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2025 - new arrivals, bestsellers, and the most relevant models be quiet!.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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be quiet! PURE POWER 12 M | 1200W power supply unit 20+4 pin ATX ATX B BN346

EXCEPTIONAL QUIET. SUPERIOR FEATURESPure Power 12 M 1200W is ATX 3.1 compliant and PCIe 5.1 compatible and 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 12 M 1200W... moreoffers the best combination of features in its class.
itsupplies.uk
Delivery: to United Kingdom
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£151.12
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Be Quiet BN346

Compliance certificates:WEEE.Compliance certificates:RoHS.Compliance certificates:CE.Compliance certificates:BSMI.Compliance certificates:CCC.Compliance certificates:UKCA.Compliance certificates:Federal Communications Commission (FCC).Compliance certificates:CB.Compliance certificates:cTUVus.Sustainability certificates:Triman.Sustainability certifi... morecates:ENERGY STAR.Sustainability certificates:ErP.Sustainability compliance:Yes.On/off switch:Yes.Fan diameter:12 cm.Cooling type:Active.Number of fans:1 fan(s).Product colour:Black.Fan speed:0 - 2700 RPM.Input current:15 - 7.5 A.Efficiency:91.5%.Total power:1200 W.Power factor:0.98.Power protection features:Over power.Power protection features:Short circuit.Power protection features:Over voltage.Power protection features:Overheating.Power protection features:Under voltage.Power protection features:Over current.
Tradeinn.com
Delivery: in United Kingdom
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£192.00
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be quiet! PURE POWER 12 M | 1200W power supply unit 20+4 pin ATX ATX B BN346

be quiet! PURE POWER 12 M | 1200W power supply unit 20+4 pin ATX ATX Black
ComputersDeal.com
Delivery: in United Kingdom
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£151.12
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be quiet! PURE POWER 12 M | 1200W power supply unit 20+4 pin ATX ATX Black BN346

Pure Power 12 M 1200W is ATX 3.0 compliant and PCIe 5.0 compatible and offers peerless dependability with best-in-class features. Pure Power 12 M 1200W offers the best combination of features with outstanding compatibility.   - 80 PLUS Gold efficiency (up to 93.7%)  - ATX 3.0 PSU with full support for PCIe 5... more.0 GPUs and GPUs with 6+2 pin connectors - Exceptionally silent 120mm be quiet! fan - Advanced stability and voltage regulation thanks to LLC technology - 2 strong 12V-rails - Modular cables for maximum build flexibility - One PCIe 5.0 12VHPWR 600W and 4 PCIe 6+2 connectors for - overclocked high-end GPUs  ; - 10-year manufacturer9;s warranty   80 PLUS Gold Certification Very high operating efficiency Pure Power 12 M 1200W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 93.7%. The most compelling benefit: lower power consumption consequently lower costs and above all a cooler as well as quieter operation. Pure Power 12 M 1200W is always the correct choice for quiet systems and gaming PCs!   Future-Proof Your System Fulfils all ATX 3.0 specifications Pure Power 12 M 1200W 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 powerful systems of today and the ones to come.   The New Standard For Power For massive transient loads Pure Power 12 M offers 1200W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 1200W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.   Exceptionally 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 1200W provides a best-in-class voltage regulation and efficiency. That makes it perfect for building very quiet systems or upgrading 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 1200W simplifies cable management and routing for a tidy-looking system. A smoother airflow results from the uncluttered layout of the
Quzo.co.uk
Delivery: to United Kingdom
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£148.07
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Series be quiet! Pure Power (reliability)Compare using chart →
be quiet! Pure Power 12 M BN344
from £98.97 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 BP004
from £99.76 
850 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 1, ATX, Efficiency 91 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 M BN343
from £98.50 
750 W, 24+8+8(4+4) pin, 2 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 M BN345
from £127.21 
1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 M BN346
from £148.07 
1200 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 BP003
from £89.99 
750 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 1, ATX, Efficiency 91 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 M BN342
from £89.99 
650 W, 24+8+4 pin, 2 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 M BN341
from £79.99 
550 W, 24+8 (4+4) pin, 2 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 BP005
from £118.45 
1000 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 1, ATX, Efficiency 91 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 BP002
from £79.99 
650 W, 24+8+4 pin, 2 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 1, ATX, Efficiency 91 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 BP001
from £69.98 
550 W, 24+8 (4+4) pin, 2 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 1, ATX, Efficiency 91 %, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 11 BN292
from £52.92 
400 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 5, Molex 2, ATX, Efficiency 92 %, certificate 80+ Gold, warranty 5 years
be quiet! Pure Power 9 Modular BN266
from £61.24 
400 W, 24+4 pin, 2 х 6+2 pin, SATA 5, Molex 2, ATX, semi-modular, Efficiency 91 %, certificate 80+ Silver, warranty 3 years
be quiet! Pure Power 9 Modular BN268
from £52.86 
600 W, 24+8 (4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, ATX, semi-modular, Efficiency 91 %, certificate 80+ Silver, warranty 3 years
be quiet! Pure Power 9 BN262
from £82.02 
400 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 5, Molex 2, ATX, Efficiency 91 %, certificate 80+ Silver, warranty 3 years
be quiet! Pure Power 11 BN290
from £60.36 
300 W, 24+8 (4+4) pin, 1 х 6+2 pin, SATA 4, Molex 2, ATX, Efficiency 87 %, warranty 5 years

be quiet! Pure Power 12 M configurations

Price for be quiet! Pure Power 12 M
be quiet! Pure Power 12 M BN341from £79.999 offers
be quiet! Pure Power 12 M BN342from £89.997 offers
be quiet! Pure Power 12 M BN343from £98.508 offers
be quiet! Pure Power 12 M BN344from £98.9710 offers
be quiet! Pure Power 12 M BN345from £127.216 offers
be quiet! Pure Power 12 M BN346from £148.074 offers
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PSU be quiet! BN346
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