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Pure Power 12 M 1000W 80+ Gold Fully Modular ATX3.0 PSU €156.74
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Pure Power 12 M 750W 80+ Gold Fully Modular ATX3.0 PSU €117.36
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Pure Power 12 M 550W 80+ Gold Fully Modular ATX3.0 PSU €92.23
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be quiet Pure Power 12 M 80+ Gold Fully Modular ATX3.0 PSUs

Pure Power 12 M are ATX 3.0 compliant and PCIe 5.0 compatible PSUs that offer peerless dependability with best-in-class features. Pure Power 12 M offers the best combination of features with outstanding compatibility and value.

Features

  1. Virtually inaudible operation, from 8.0 dBA
  2. ATX 3.0 PSU with full support for PCIe 5.0 GPUs
  3. One PCIe 5.0 12VHPWR 300W and 2 PCIe 6+2 connectors
  4. 80PLUS Gold certification
  5. Fully Modular cable management

80 PLUS® Gold Certified

Pure Power 12 M PSUs are certified 80 PLUS Gold with an outstanding efficiency rating of up to 92.8%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M is always the correct choice for quiet systems and gaming PCs!

ATX 3.0 Specifications

Pure Power 12 M 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 present systems.

The New Standard of Power

Pure Power 12 M offers up to 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 handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.

Quiet-optimised be quiet fan

The exceptionally quiet 120mm be quiet fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimised fan blades reduce turbulence, enabling best-in-class quiet functionality.

Rock-solid stability

With its LLC topology Pure Power 12 M 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

Thanks to their modularity, all unnecessary cables in the system are left out. Pure Power 12 M 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.

Show specifications and reviews for:
SpecificationsPure Power 12 M 1000Pure Power 12 M 750WPure Power 12 M 550W
Model NumberBN345 BN343 BN341
Power1000W 750W 550W
Peak Power1050W 820W 600W
ModularFully Fully Fully
80PLUS CertificationGold Gold Gold
Efficiency (%) at 230V, 20%/50%/100% load92.3, 93.1, 90.8 91.5, 92.6, 90.6 85.2, 92.8, 90.9
+3.3V maximum output current22 A 20 A 20 A
+5V maximum output current22 A 20 A 20 A
+12V1 maximum output current46 A 36 A 28 A
+12V2 maximum output current42 A 36 A 24 A
Max 12VHPWR power600W 600W 300W
Voltage100–240Vac 100–240Vac 100–240Vac
Frequency50–60Hz 50–60Hz 50–60Hz
ATX 3.0 compatibleYes Yes Yes
Form factorATX 3.0 ATX 3.0 ATX 3.0
Dimensions (LxWxH)160x150x86mm 160x150x86mm 160x150x86mm
Noise level (20% load)9.3 dBA 8.5 dBA 8.0 dBA
Noise level (50% load)9.6 dBA 8.9 dBA 8.2 dBA
Noise level (max)31.7 dBA 24.0 dBA 17.1 dBA
ProtectionOCP, OVP, UVP, SCP, OPP, OTP, SIP OCP, OVP, UVP, SCP, OPP, OTP, SIP OCP, OVP, UVP, SCP, OPP, OTP, SIP
Safety CertificationCE, CB, TUV, FCC, cTUVus, RCM, BSMI, CU, CCC, cRUus, UKCA CE, CB, TUV, FCC, cTUVus, RCM, BSMI, CU, CCC, cRUus, UKCA CE, CB, TUV, FCC, cTUVus, RCM, BSMI, CU, CCC, cRUus, UKCA
Energy Star8.0 8.0 8.0
ErP2013 readyYes Yes Yes
ATX-Mainboard (20+4-pin)Yes Yes Yes
P8-/P4+4 Connector1/1 1/1 1/1
PCI-Express (6+2-pin)4 2 2
12VHPWR Connector1 1 1
SATA Connectors6 5 5
Molex Connectors2 2 2
Floppy Connectors0 0 0
CoolingFanned Fanned Fanned
Weight2.8 Kg 2.8 Kg 2.8 Kg
Warranty120 months 120 months 120 months
EAN barcode4260052189504 4260052189481 4260052189467
SpecificationsPure Power 12 M 1000Pure Power 12 M 750WPure Power 12 M 550W
Model NumberBN345 BN343 BN341
Power1000W 750W 550W
Peak Power1050W 820W 600W
ModularFully
80PLUS CertificationGold
Efficiency (%) at 230V, 20%/50%/100% load92.3, 93.1, 90.8 91.5, 92.6, 90.6 85.2, 92.8, 90.9
+3.3V maximum output current22 A 20 A
+5V maximum output current22 A 20 A
+12V1 maximum output current46 A 36 A 28 A
+12V2 maximum output current42 A 36 A 24 A
Max 12VHPWR power600W 300W
Voltage100–240Vac
Frequency50–60Hz
ATX 3.0 compatibleYes
Form factorATX 3.0
Dimensions (LxWxH)160x150x86mm
Noise level (20% load)9.3 dBA 8.5 dBA 8.0 dBA
Noise level (50% load)9.6 dBA 8.9 dBA 8.2 dBA
Noise level (max)31.7 dBA 24.0 dBA 17.1 dBA
ProtectionOCP, OVP, UVP, SCP, OPP, OTP, SIP
Safety CertificationCE, CB, TUV, FCC, cTUVus, RCM, BSMI, CU, CCC, cRUus, UKCA
Energy Star8.0
ErP2013 readyYes
ATX-Mainboard (20+4-pin)Yes
P8-/P4+4 Connector1/1
PCI-Express (6+2-pin)4 2
12VHPWR Connector1
SATA Connectors6 5
Molex Connectors2
Floppy Connectors0
CoolingFanned
Weight2.8 Kg
Warranty120 months
EAN barcode4260052189504 4260052189481 4260052189467

Product Resources

FAQ

  • Do high wattage power supplies cost more to run?

    No - the rated wattage of a power supply refers to the maximum amount of power it can deliver at full load, not how much power it uses. More powerful PSUs will consume around the same amount of power as lower powered power supplies in any given PC system, so your electricity bill will not be higher when using a more powerful power supply!

    The best way to reduce your electricity bill when using your PC is to use a more efficient power supply or make your PC consume less power by removing components which are not needed, such as extra drives and expansion cards, or by choosing a cooler-running processor or graphics card.

  • My brand new power supply doesn’t work! Am I doing something wrong?

    It’s possible that the power supply may be faulty, but here are some simple things to check. Firstly, a power supply will not work if you simply plug it in and flick the switch. The power supply will only turn on if you connect it to a working motherboard and associated items (processor, memory, video card, etc). It is actually the motherboard which tells the power supply when to switch on.

    Secondly (if applicable), check the voltage is set correctly to 115/230 volts depending on what country you are in. Thirdly, if possible it would be good to try the power supply in another PC to see if it works, or try another power supply in your PC to see if that works. You can then tell whether it is the power supply which is faulty or the actual PC itself. If all else fails, please contact us for further support, and/or return details.

  • Why should I buy a whole new PSU when I could just replace the noisy fan in my existing one?

    Virtually all the noise generated by a PC power supply originates from the cooling fan inside it, so simply replacing the fan with a quiet fan may seem an obvious way to go. However, if you are thinking about attempting this operation, please bear the following points in mind:

    • Your existing power supply will be designed to run with a specific amount of airflow in order to adequately cool the components inside and reducing the airflow may lead to overheating and damage to the power supply and/or PC.
    • All PC power supplies contain very high voltages and even with the power disconnected, the voltages stored in the capacitors can be easily enough to kill. It is not recommended to take the cover off any PC power supply for this reason unless you are absolutely confident of your own ability. Because of the grave dangers involved, all PC power supplies by law carry a warning label forbidding removal of the power supply case.
    • There will be no standard PC fan connector inside the power supply to use to connect a replacement fan, and it would probably have to be soldered directly into the PCB inside the power supply, or have a specialist power connector attached. This can be a tricky operation to say the least.

    Please consider the above points very carefully before proceeding with an operation to replace the fan in your existing power supply!

  • What is PFC (Power Factor Correction)?

    If you are interested in being “green” and saving the planet, you might like to read a short explanation of how our power supplies can save energy using Active PFC (Power Factor Correction), not to be confused with Power Conversion Efficiency which is also very good in most of our PSUs. “Power Factor” is a measure of how efficiently electrical power is consumed. Ideally, Power Factor would be 1 (or 100%) and known as unity.

    Unfortunately in the real world, Power Factor is reduced by highly inductive loads down to values of 0.7 (70%) or less. This induction is caused by equipment such as small electric motors, fans, fluorescent lighting ballasts and transformers such as those in PSUs. This is bad news for the electricity generating companies who can impose a surcharge on heavy users if they have a consistently low Power Factor, as more electricity has to be produced to make up the shortfall.

    Power Factor Correction (PFC) is used in some equipment to minimise the inductive component of the electrical current. This helps to reduce the losses in the electrical supply to that equipment. Power Factor Correction capacitors are normally used to reduce induction in an electrical load, which minimises wasted energy and hence improves the efficiency of a company and reduces electricity costs.

    It is not usually practical to reach unity, i.e. Power Factor 1, and it seems that most electricity supply companies accept consumers having a Power Factor as low as 0.94 (94%) without imposing a surcharge. Unfortunately most of the cheap (and not so cheerful) PSUs tend to have a Passive PF as low as 0.75 or 75% which in a large office can lead to a PF surcharge.

    However, the good news is that most of Quiet PC’s PSUs implement a system known as Active PFC which involves some clever electronics. This means that their power factor (PF) can be as high as 0.94 or 94% (at full load), while harmful harmonic frequencies are reduced to well below legal requirements. So by using our products, you can be happy in the knowledge that you are doing your bit to save the planet!

  • How do I know what size of wattage power supply I need?

    The best answer we can give to this question is to go ahead and take an intelligent “guesstimate”! There are no hard and fast rules about what size of power supply any given PC needs as a minimum. Our advice would be that if you are replacing an existing power supply, then consider a new one at least of the same wattage as the old one. In addition, if you wish to build in a “safety margin” to allow for reliable running and possible future upgrades, consider adding 100-200 watts to the rating of your existing unit.

    If you are building a new PC, most customers now buy a power supply rated in the region of 500-800 watts depending primarily on the performance level of their graphics card(s) and number of drives to be installed. But in any event if you are unsure about which power supply would be best for your PC then please do contact us by phone or email and we will be happy to give you a specific recommendation based on your budget.

  • My new PSU came with a 24-pin connector but my motherboard needs 20 pins! Do I need an adaptor cable?

    We receive many customer enquiries about this. In fact, most of the 24-pin compatible power supplies we sell come with special motherboard connectors which can be converted to 20-pins with no additional conversion cables. All you need to do is look carefully at the connector and you will see that the end four pins can be slid off, turning the connector into a 20-pin compatible one (see below) - easy when you know how!

    Image showing how to change a power supply’s 24-pin motherboard connector into a 20-pin connector by unclipping the end four-pin block
    Image showing how to change a power supply’s 24-pin motherboard connector into a 20-pin connector by unclipping the end four-pin block
  • What do the PSU safety protection abbreviations mean?

    There are many possible safety protections a PSU can have. Below is a list of what each abbreviation means. Please note, not all PSUs have all safety protections.

    More information on certification marks can be found here.

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