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be quiet! Pure Power 12 M BN345

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from £128.99 up to £238.73 
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be quiet! Pure Power 12 M BN345
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
Power1000 W
Form factorATX
Specs
PFCactive
Efficiency93 % / 50% load /
Cooling systemactive (fan)
Fan size120 mm
Fan bearingsliding
Certification80+ Gold
Cybenetics EfficiencyPlatinum
Cybenetics NoiseStandard ++
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
+12V146 А
+12V242 А
-12V0.3 А
+5Vsb3 А
+12V1000 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
Weight1.91 kg
Official Websitebequiet.com
Added to E-Catalogfebruary 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!.
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be quiet! Pure Power 12 M 1000 Watt PCIe 5.0 80+ Gold Fully Modular AT

Scan.co.uk
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£129.98
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be quiet! Pure Power 12 M power supply unit 1000 W 20+4 pin ATX ATX Black BN345

Pure Power 12 M 1000W is ATX 3.0 compliant and PCIe 5.0 compatible and offers peerless dependability with bes... moret-in-class features. Pure Power 12 M 1000W offers the best combination of features with outstanding compatibility.     - 80 PLUS® Gold efficiency (up to 93.1%)  - ATX 3.0 PSU with full support for PCIe 5.0 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 manufacturer’s warranty 80 PLUS® Gold Certified Very high operating efficiency Pure Power 12 M 1000W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 93.1%. The most compelling benefit: lower power consumption consequently lower costs and above all a cooler as well as quieter operation. Pure Power 12 M 1000W 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 1000W 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 1000W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 1000W 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 1000W 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 1000W simplifies cable management and routing for a tidy-looking system. A smoother airflow results from the uncluttered
Quzo.co.uk
Delivery: to United Kingdom
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£147.24
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Be Quiet BN345

EU PLUG.Black.Looking for a reliable and powerful power supply for your gaming or workstation rig? Look no further than the B... moreE QUIET Pure Power 12 M Power Supply 1000W Black.With an 80 Plus Gold efficiency rating, this power supply delivers reliable and efficient performance, while the modular cable design allows for easy customization and cable management.Additionally, with Features such as a virtually inaudible Silent Wings 3 fan, high-quality Japanese capacitors, and over 10 different protection mechanisms, this power supply offers advanced reliability and stability.Upgrade your system with the BE QUIET Pure Power 12 M Power Supply 1000W Black and experience the ultimate in performance and efficiency.
Tradeinn.com
Delivery: in United Kingdom
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£151.99
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be quiet! Pure Power 12 M power supply unit 1000 W 20+4 pin ATX ATX Bl BN345

be quiet! Pure Power 12 M power supply unit 1000 W 20+4 pin ATX ATX Black
ComputersDeal.com
Delivery: in United Kingdom
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£238.73
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be quiet! be quiet! Pure Power 12 M power supply unit 1000 W 20+4 pin ATX ATX Black BN345

80 PLUS® Gold efficiency (up to 93.1%) ATX 3.0 PSU with full support for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors Excep... moretionally 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 manufacturer’s warranty EXCEPTIONAL QUIET, SUPERIOR FEATURESPure Power 12 M 1000W is ATX 3.0 compliant and PCIe 5.0 compatible and offers peerless dependability with best-in-class features. Pure Power 12 M 1000W offers the best combination of features with outstanding compatibility.80 PLUS® GOLD CERTIFIEDVery high operating efficiencyPure Power 12 M 1000W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 93.1%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M 1000W is always the correct choice for quiet systems and gaming PCs!FUTURE-PROOF YOUR SYSTEMFulfills all ATX 3.0 specificationsPure Power 12 M 1000W 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 POWERFor massive transient loadsPure Power 12 M offers 1000W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 1000W 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 OPERATIONAchieved with a silence-optimized be quiet! fanThe 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-classquiet functionality. HIGH-CLASS TECHNOLOGIESRock-solid stabilityWith its LLC topology Pure Power 12 M 1000W 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 CABLESUtmost convenience and compatibilityThanks to their modularity, all unnecessary cables in the system are left out. Pure Power 12 M 1000W 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. Power Power protection features Over current, Over power, Over voltage, Overheating, Short circuit Efficiency 93.2% Power Good signal delay range 100 - 150 ms Max output current (+5Vsb) 3 A Max output current (-12V) 0.3 A Max output current (+5V) 22 A Max output current (+12V2) 42 A Max output
Backtotheoffice.co.uk
Delivery: in United Kingdom
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£128.99
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1000W Be Quiet! Pure Power 12 M Modular 80 Plus Gold PSU BN345

80 PLUS® GOLD CERTIFIED Very high operating efficiency Pure Power 12 M 1000W is certified 80 PLUS Gold with an outstand... moreing efficiency rating of up to 93.1%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M 1000W 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 1000W 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 OF POWER For massive transient loads Pure Power 12 M offers 1000W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 1000W 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 1000W 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 1000W 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.
CCLonline.com
Delivery: to United Kingdom
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£190.99
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Series be quiet! Pure Power (reliability)Compare using chart →
be quiet! Pure Power 12 M BN344
from £90.42 
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 M BN343
from £98.99 
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 £128.99 
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 BP004
from £99.98 
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 BN342
from £78.08 
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 M BN346
from £169.50 
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 £75.53 
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 BP005
from £98.71 
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 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 £51.99 
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 £56.99 
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 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 9 Modular BN268
from £51.99 
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 £44.83 
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 11 BN291
from £49.02 
350 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 5, Molex 2, ATX, Efficiency 87 %, warranty 5 years
be quiet! Pure Power 11 CM BN296
from £61.49 
400 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 5, Molex 2, ATX, semi-modular, Efficiency 92 %, certificate 80+ Gold, warranty 5 years
be quiet! Pure Power 11 CM BN297
from £70.97 
500 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 6, Molex 3, ATX, semi-modular, Efficiency 92 %, certificate 80+ Gold, warranty 5 years
be quiet! Pure Power 11 CM BN298
from £81.04 
600 W, 24+8 (4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, ATX, semi-modular, Efficiency 92 %, certificate 80+ Gold, 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 £78.089 offers
be quiet! Pure Power 12 M BN343from £98.999 offers
be quiet! Pure Power 12 M BN344from £90.427 offers
be quiet! Pure Power 12 M BN345from £128.996 offers
be quiet! Pure Power 12 M BN346from £169.503 offers
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Gigabyte Aorus Elite GP-AE1000PM PG5
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1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum, warranty 10 years
Asus TUF Gold Gaming 1000W Gold
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1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS GX ATX 3.0 GX-1000 3.0
from £156.58 
1000 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 10, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
FSP VITA GM VITA-1000GM
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1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 4, ATX, modular, Efficiency 90 %, certificate 80+ Gold
be quiet! Pure Power 11 FM BN325
from £144.26 
1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 10, Molex 2, ATX, modular, Efficiency 93 %, mining, certificate 80+ Gold, warranty 5 years
Cougar GEX X2 GEX X2 1000
from £138.99 
1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, 1 x 16 pin, SATA 10, Molex 2, ATX, modular, Efficiency 91 %, semi-passive СО, mining, certificate 80+ Gold
Thermaltake Toughpower SFX GEN5 SFX 1000W
from £159.98 
1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 4, SFX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 7 years
Gigabyte Ultra Durable PG5 UD1000GM PG5
from £107.23 
1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
be quiet! Pure Power 12 M BN346
from £169.50 
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
Seasonic FOCUS GX ATX 3.1 GX-1000 3.1
from £176.99 
1000 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
be quiet! Power Zone 2 BP008
from £143.99 
1000 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 7, Molex 1, ATX, modular, Efficiency 94 %, semi-passive СО, certificate 80+ Platinum, warranty 10 years
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