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INTRODUCTION
![]()
The power supply unit is often the most overlooked part of a computer build, quietly doing its job behind the scenes while more glamorous components like GPUs and CPUs steal the spotlight. Yet without it, nothing works, it’s the gatekeeper of stability, converting raw electricity into clean, usable power for every part of your system. A good PSU doesn’t just deliver wattage, it protects against surges, regulates voltage, and ensures your machine runs smoothly under pressure. Over the years, these units have evolved to become smarter, more efficient, and whisper-quiet, with features that cater to both performance and aesthetics. Choosing the right PSU is more than a technical decision, it’s a commitment to reliability and today with me I have what's probably the most advanced model to roll out from be quiet!, the Dark Power 14 1200W.
We are the German premium brand manufacturer of quiet hardware components for gaming, workstations and desktop PCs. Since our foundation in 2001, we are proud to have more than 20 years of experience in the industry. Our goal from the very beginning has been to develop products of the highest quality that are not only quiet, but also extremely powerful. With a wide range of power supplies, PC cases, water and air coolers and fans, we have established ourselves as a leading manufacturer in this field.
The Dark Power 14 line currently includes 3 power outputs (850/1000/1200W) all of which are fully modular, ATX 3.1 & PCIe 5.1 compliant and 80 PLUS Titanium certified (up to 95.57% efficiency). The 1200W output model that I have here with me features two 12V-2x6 power connectors, four 6+2 pin PCIe power connectors, four +12V rails (33/33/45/45A) capable of delivering 100% of the units’ total power output (they can also be combined as a single powerful rail) and has a peak power output of no less than 1341W (peak should be up to 2682W for up to 100ms - once again however this is not something I can test). Other features and specifications of the Dark Power 14 include full bridge LLC topology with synchronous rectifier and DC to DC module design, active PFC, zero fan mode for the 135mm fan (starts spinning after a specific load), high-quality Japanese capacitors certified for use up to 105 degrees Celsius, individually sleeved cables and a full array of electrical protections including over-current (OCP), over-voltage (OVP), under-voltage (UVP), short-circuit (SCP), over-temperature (OTP), surge and in-rush (SIP), and over-power (OPP). Finally, be quiet! covers the entire Dark Power 14 line of power supply units with a generous 10-year limited warranty.
SPECIFICATIONS AND FEATURES
![]()
PACKAGING AND CONTENTS
be quiet! uses the same package again so at the front we find their logo, certifications, output and a product picture.
At the rear we find the electrical table, several certifications and warnings, output and a few words about be quiet!.
The unit is placed between two thick pieces of foam while the rest of the bundle is placed inside another cardboard box.
Along with the Dark Power 14 1200W its modular cables and power cord inside the box you'll also find 10 cable straps, 6 cable ties, 5 thumbscrews, 5 mounting screws and the user manual.
THE DARK POWER 14 1200W EXTERIOR
All modular cables are braided/sleeved and that also goes for the two 12V-2x6 connectors.
The Dark Power 14 1200W output model is a large one measuring 175mm in length, 150mm in width and 86mm in height.
As with past Dark Power models the 135mm Silent Wings fan sits behind a grille that takes most of the unit's base.
The model and company names are placed on the left side of the enclosure.
On the right side of the enclosure aside the model and company names we also find the electrical table and serial number.
All 13 modular ports are different in size/type and tagged.
At the rear of the enclosure, we find the on/off power switch, zero-RPM fan switch, OCK (multi/single rail – better design compared to the separate PCI expansion slot addon with previous models) switch and the power port.
THE DARK POWER 14 1200W INTERIOR
Accessing the enclosure requires removing the bottom cover and then removing the fan.
![]()
Thanks to the newly designed fan/heatsink combo (fan can reach speeds of up to 2100RPM with just 21.1dBA noise) the Dark Power 14 can be operated in either active or semi-passive mode.
Once again the OEM behind this PSU is no other than CWT (Channel Well Technologies) so build quality is top notch.
The two primary capacitors are manufactured by the Japanese Toshin Kogyo (Tk) and are certified for use up to 105 degrees Celsius.
![]()
![]()
Secondary capacitors are manufactured by Nippon Chemi-Con and nichicon (also certified for use up to 105 degrees).
TEST BED
![]()
![]()
TESTING METHODOLOGY
Using a dedicated measurement instrument such as a Chroma or a SunMoon to test power supply units is without doubt the most ideal and accurate way (not to mention the fastest) to do that currently. However, it's certainly not the only way there is and so pretty much anyone can test a power supply unit just by using a test rig. Certainly, limitations do apply and so you can't really push a 1000W power supply to its limits if your system only uses 500W at peak loads and that's why over the years we saved certain hardware components for the purpose of building a dedicated PSU test rig. True it may not be as accurate as the above mentioned solutions, but it comes really close and is in fact much closer to real world usage. So as always, we ran several games with maximum graphic options enabled at a resolution of 2560x1600 in order to stress every hardware component and increase the overall power demands of the system. The Passmark BurnIn Test was also used to overstress the components in an effort to provide the most accurate results possible. As a final test we also used the latest OCCT software and its dedicated PSU testing suite since it can really bring a power supply to its knees after inside a few minutes.
Rail stability was checked/measured with the CPUID Hardware monitor and a Metex multimeter which also recorded the system load in idle and in load. As always try to remember that the power consumption numbers listed in the graph are the highest (Peak) ones recorded during the entire duration of the tests and not the average ones. Noise levels coming from the fan were recorded using the high precision HD600 ExTech Sound dBA Meter from the rear of the unit and at a range of no more than 5-10cm. Readings under load are recorded the exact moment we manually switch the fans of all graphics cards from full speed to almost zero, that way the fan of the power supply does not have enough time to slow its RPM and so by doing this we get very accurate noise level readings. Needless to say, in order to get 100% accurate readings, you need to have a noise isolated room for that exact purpose, something which is quite impossible unless you are working inside a real lab (some people use very small noise insulated boxes but due to their size both heat and noise exceed normal levels and so the results can't really be considered to be 100% accurate, nor realistic for that matter). Also do take into account that since all noise measurements take place from just 5-10cm away the final noise levels to reach your ears will be considerably less.
* After well over 10 years of testing PSUs the Intel Core i7-920 CPU of this rig failed and so we replaced it with a Xeon X5660 (we also swapped the GA-X58A-UD7 for the G1. Assassin).
TEST RESULTS
![]()
![]()
![]()
CONCLUSION
![]()
The Dark Power line of power supply units by be quiet! has produced numerous high-performance models and the Dark Power 14 1200W is no exception. Rail stability is rock solid, the 80 PLUS Titanium certification means this model has an efficiency of almost 96%, noise levels are on the low side (remember, I never use zero fan mode during my tests) and as for build quality things couldn’t be much better than this. On top of these add all the available electrical protections and the OCK multi/single rail feature and you have one of the top power supply units in the market today.
The Dark Power 14 line by be quiet! was released into the market 3 days ago and so currently you can find the 1200W inside the EU for 311.44Euros (Amazon.de) a price tag which is balanced overall (was unable to locate it anywhere in the USA currently). At the end of the day the Dark Power 14 line follows the same path as its predecessors and since the 1200W model delivers as advertised and then some it deserves the Platinum Award.
![]()
PROS
- Very Good Build Quality
- Solid Rail Stability
- ATX 3.1 & PCIe 5.1 Compliant
- 80 PLUS Titanium Certified
- 1200W Output (2 x 12V-2x6 600W)
- Electrical Protections (OCP/OVP/SSP/OPP/UVP/OTP/SIP)
- Noise Levels
- Silent Wings 135mm Fan With Heatsink
- Multi & Single Rail Mode (2x33A/2x45A)
- 10 Year Limited Warranty
CONS
- Price (For Some)
- Current USA Availability
INTRODUCTION
![]()
The power supply unit is often the most overlooked part of a computer build, quietly doing its job behind the scenes while more glamorous components like GPUs and CPUs steal the spotlight. Yet without it, nothing works, it’s the gatekeeper of stability, converting raw electricity into clean, usable power for every part of your system. A good PSU doesn’t just deliver wattage, it protects against surges, regulates voltage, and ensures your machine runs smoothly under pressure. Over the years, these units have evolved to become smarter, more efficient, and whisper-quiet, with features that cater to both performance and aesthetics. Choosing the right PSU is more than a technical decision, it’s a commitment to reliability and today with me I have what's probably the most advanced model to roll out from be quiet!, the Dark Power 14 1200W.
We are the German premium brand manufacturer of quiet hardware components for gaming, workstations and desktop PCs. Since our foundation in 2001, we are proud to have more than 20 years of experience in the industry. Our goal from the very beginning has been to develop products of the highest quality that are not only quiet, but also extremely powerful. With a wide range of power supplies, PC cases, water and air coolers and fans, we have established ourselves as a leading manufacturer in this field.
The Dark Power 14 line currently includes 3 power outputs (850/1000/1200W) all of which are fully modular, ATX 3.1 & PCIe 5.1 compliant and 80 PLUS Titanium certified (up to 95.57% efficiency). The 1200W output model that I have here with me features two 12V-2x6 power connectors, four 6+2 pin PCIe power connectors, four +12V rails (33/33/45/45A) capable of delivering 100% of the units’ total power output (they can also be combined as a single powerful rail) and has a peak power output of no less than 1341W (peak should be up to 2682W for up to 100ms - once again however this is not something I can test). Other features and specifications of the Dark Power 14 include full bridge LLC topology with synchronous rectifier and DC to DC module design, active PFC, zero fan mode for the 135mm fan (starts spinning after a specific load), high-quality Japanese capacitors certified for use up to 105 degrees Celsius, individually sleeved cables and a full array of electrical protections including over-current (OCP), over-voltage (OVP), under-voltage (UVP), short-circuit (SCP), over-temperature (OTP), surge and in-rush (SIP), and over-power (OPP). Finally, be quiet! covers the entire Dark Power 14 line of power supply units with a generous 10-year limited warranty.
SPECIFICATIONS AND FEATURES
![]()
PACKAGING AND CONTENTS
be quiet! uses the same package again so at the front we find their logo, certifications, output and a product picture.
At the rear we find the electrical table, several certifications and warnings, output and a few words about be quiet!.
The unit is placed between two thick pieces of foam while the rest of the bundle is placed inside another cardboard box.
Along with the Dark Power 14 1200W its modular cables and power cord inside the box you'll also find 10 cable straps, 6 cable ties, 5 thumbscrews, 5 mounting screws and the user manual.
THE DARK POWER 14 1200W EXTERIOR
All modular cables are braided/sleeved and that also goes for the two 12V-2x6 connectors.
The Dark Power 14 1200W output model is a large one measuring 175mm in length, 150mm in width and 86mm in height.
As with past Dark Power models the 135mm Silent Wings fan sits behind a grille that takes most of the unit's base.
The model and company names are placed on the left side of the enclosure.
On the right side of the enclosure aside the model and company names we also find the electrical table and serial number.
All 13 modular ports are different in size/type and tagged.
At the rear of the enclosure, we find the on/off power switch, zero-RPM fan switch, OCK (multi/single rail – better design compared to the separate PCI expansion slot addon with previous models) switch and the power port.
THE DARK POWER 14 1200W INTERIOR
Accessing the enclosure requires removing the bottom cover and then removing the fan.
![]()
Thanks to the newly designed fan/heatsink combo (fan can reach speeds of up to 2100RPM with just 21.1dBA noise) the Dark Power 14 can be operated in either active or semi-passive mode.
Once again the OEM behind this PSU is no other than CWT (Channel Well Technologies) so build quality is top notch.
The two primary capacitors are manufactured by the Japanese Toshin Kogyo (Tk) and are certified for use up to 105 degrees Celsius.
![]()
![]()
Secondary capacitors are manufactured by Nippon Chemi-Con and nichicon (also certified for use up to 105 degrees).
TEST BED
![]()
![]()
TESTING METHODOLOGY
Using a dedicated measurement instrument such as a Chroma or a SunMoon to test power supply units is without doubt the most ideal and accurate way (not to mention the fastest) to do that currently. However, it's certainly not the only way there is and so pretty much anyone can test a power supply unit just by using a test rig. Certainly, limitations do apply and so you can't really push a 1000W power supply to its limits if your system only uses 500W at peak loads and that's why over the years we saved certain hardware components for the purpose of building a dedicated PSU test rig. True it may not be as accurate as the above mentioned solutions, but it comes really close and is in fact much closer to real world usage. So as always, we ran several games with maximum graphic options enabled at a resolution of 2560x1600 in order to stress every hardware component and increase the overall power demands of the system. The Passmark BurnIn Test was also used to overstress the components in an effort to provide the most accurate results possible. As a final test we also used the latest OCCT software and its dedicated PSU testing suite since it can really bring a power supply to its knees after inside a few minutes.
Rail stability was checked/measured with the CPUID Hardware monitor and a Metex multimeter which also recorded the system load in idle and in load. As always try to remember that the power consumption numbers listed in the graph are the highest (Peak) ones recorded during the entire duration of the tests and not the average ones. Noise levels coming from the fan were recorded using the high precision HD600 ExTech Sound dBA Meter from the rear of the unit and at a range of no more than 5-10cm. Readings under load are recorded the exact moment we manually switch the fans of all graphics cards from full speed to almost zero, that way the fan of the power supply does not have enough time to slow its RPM and so by doing this we get very accurate noise level readings. Needless to say, in order to get 100% accurate readings, you need to have a noise isolated room for that exact purpose, something which is quite impossible unless you are working inside a real lab (some people use very small noise insulated boxes but due to their size both heat and noise exceed normal levels and so the results can't really be considered to be 100% accurate, nor realistic for that matter). Also do take into account that since all noise measurements take place from just 5-10cm away the final noise levels to reach your ears will be considerably less.
* After well over 10 years of testing PSUs the Intel Core i7-920 CPU of this rig failed and so we replaced it with a Xeon X5660 (we also swapped the GA-X58A-UD7 for the G1. Assassin).
TEST RESULTS
![]()
![]()
![]()
CONCLUSION
![]()
The Dark Power line of power supply units by be quiet! has produced numerous high-performance models and the Dark Power 14 1200W is no exception. Rail stability is rock solid, the 80 PLUS Titanium certification means this model has an efficiency of almost 96%, noise levels are on the low side (remember, I never use zero fan mode during my tests) and as for build quality things couldn’t be much better than this. On top of these add all the available electrical protections and the OCK multi/single rail feature and you have one of the top power supply units in the market today.
The Dark Power 14 line by be quiet! was released into the market 3 days ago and so currently you can find the 1200W inside the EU for 311.44Euros (Amazon.de) a price tag which is balanced overall (was unable to locate it anywhere in the USA currently). At the end of the day the Dark Power 14 line follows the same path as its predecessors and since the 1200W model delivers as advertised and then some it deserves the Platinum Award.
![]()
PROS
- Very Good Build Quality
- Solid Rail Stability
- ATX 3.1 & PCIe 5.1 Compliant
- 80 PLUS Titanium Certified
- 1200W Output (2 x 12V-2x6 600W)
- Electrical Protections (OCP/OVP/SSP/OPP/UVP/OTP/SIP)
- Noise Levels
- Silent Wings 135mm Fan With Heatsink
- Multi & Single Rail Mode (2x33A/2x45A)
- 10 Year Limited Warranty
CONS
- Price (For Some)
- Current USA Availability
A creepy collection of stories that will give you nightmares - and that's just (in)Security corner!
We've got RAM prices, Nvidia Trillions, 16GB GPUs, Soundcards, and smart fridges! (It's a spooktacular show)
INTRODUCTION
![]()
The power supply unit is often the most overlooked part of a computer build, quietly doing its job behind the scenes while more glamorous components like GPUs and CPUs steal the spotlight. Yet without it, nothing works, it’s the gatekeeper of stability, converting raw electricity into clean, usable power for every part of your system. A good PSU doesn’t just deliver wattage, it protects against surges, regulates voltage, and ensures your machine runs smoothly under pressure. Over the years, these units have evolved to become smarter, more efficient, and whisper-quiet, with features that cater to both performance and aesthetics. Choosing the right PSU is more than a technical decision, it’s a commitment to reliability and today with me I have what's probably the most advanced model to roll out from be quiet!, the Dark Power 14 1200W.
We are the German premium brand manufacturer of quiet hardware components for gaming, workstations and desktop PCs. Since our foundation in 2001, we are proud to have more than 20 years of experience in the industry. Our goal from the very beginning has been to develop products of the highest quality that are not only quiet, but also extremely powerful. With a wide range of power supplies, PC cases, water and air coolers and fans, we have established ourselves as a leading manufacturer in this field.
The Dark Power 14 line currently includes 3 power outputs (850/1000/1200W) all of which are fully modular, ATX 3.1 & PCIe 5.1 compliant and 80 PLUS Titanium certified (up to 95.57% efficiency). The 1200W output model that I have here with me features two 12V-2x6 power connectors, four 6+2 pin PCIe power connectors, four +12V rails (33/33/45/45A) capable of delivering 100% of the units’ total power output (they can also be combined as a single powerful rail) and has a peak power output of no less than 1341W (peak should be up to 2682W for up to 100ms - once again however this is not something I can test). Other features and specifications of the Dark Power 14 include full bridge LLC topology with synchronous rectifier and DC to DC module design, active PFC, zero fan mode for the 135mm fan (starts spinning after a specific load), high-quality Japanese capacitors certified for use up to 105 degrees Celsius, individually sleeved cables and a full array of electrical protections including over-current (OCP), over-voltage (OVP), under-voltage (UVP), short-circuit (SCP), over-temperature (OTP), surge and in-rush (SIP), and over-power (OPP). Finally, be quiet! covers the entire Dark Power 14 line of power supply units with a generous 10-year limited warranty.
SPECIFICATIONS AND FEATURES
![]()
PACKAGING AND CONTENTS
be quiet! uses the same package again so at the front we find their logo, certifications, output and a product picture.
At the rear we find the electrical table, several certifications and warnings, output and a few words about be quiet!.
The unit is placed between two thick pieces of foam while the rest of the bundle is placed inside another cardboard box.
Along with the Dark Power 14 1200W its modular cables and power cord inside the box you'll also find 10 cable straps, 6 cable ties, 5 thumbscrews, 5 mounting screws and the user manual.
THE DARK POWER 14 1200W EXTERIOR
All modular cables are braided/sleeved and that also goes for the two 12V-2x6 connectors.
The Dark Power 14 1200W output model is a large one measuring 175mm in length, 150mm in width and 86mm in height.
As with past Dark Power models the 135mm Silent Wings fan sits behind a grille that takes most of the unit's base.
The model and company names are placed on the left side of the enclosure.
On the right side of the enclosure aside the model and company names we also find the electrical table and serial number.
All 13 modular ports are different in size/type and tagged.
At the rear of the enclosure, we find the on/off power switch, zero-RPM fan switch, OCK (multi/single rail – better design compared to the separate PCI expansion slot addon with previous models) switch and the power port.
THE DARK POWER 14 1200W INTERIOR
Accessing the enclosure requires removing the bottom cover and then removing the fan.
![]()
Thanks to the newly designed fan/heatsink combo (fan can reach speeds of up to 2100RPM with just 21.1dBA noise) the Dark Power 14 can be operated in either active or semi-passive mode.
Once again the OEM behind this PSU is no other than CWT (Channel Well Technologies) so build quality is top notch.
The two primary capacitors are manufactured by the Japanese Toshin Kogyo (Tk) and are certified for use up to 105 degrees Celsius.
![]()
![]()
Secondary capacitors are manufactured by Nippon Chemi-Con and nichicon (also certified for use up to 105 degrees).
TEST BED
![]()
![]()
TESTING METHODOLOGY
Using a dedicated measurement instrument such as a Chroma or a SunMoon to test power supply units is without doubt the most ideal and accurate way (not to mention the fastest) to do that currently. However, it's certainly not the only way there is and so pretty much anyone can test a power supply unit just by using a test rig. Certainly, limitations do apply and so you can't really push a 1000W power supply to its limits if your system only uses 500W at peak loads and that's why over the years we saved certain hardware components for the purpose of building a dedicated PSU test rig. True it may not be as accurate as the above mentioned solutions, but it comes really close and is in fact much closer to real world usage. So as always, we ran several games with maximum graphic options enabled at a resolution of 2560x1600 in order to stress every hardware component and increase the overall power demands of the system. The Passmark BurnIn Test was also used to overstress the components in an effort to provide the most accurate results possible. As a final test we also used the latest OCCT software and its dedicated PSU testing suite since it can really bring a power supply to its knees after inside a few minutes.
Rail stability was checked/measured with the CPUID Hardware monitor and a Metex multimeter which also recorded the system load in idle and in load. As always try to remember that the power consumption numbers listed in the graph are the highest (Peak) ones recorded during the entire duration of the tests and not the average ones. Noise levels coming from the fan were recorded using the high precision HD600 ExTech Sound dBA Meter from the rear of the unit and at a range of no more than 5-10cm. Readings under load are recorded the exact moment we manually switch the fans of all graphics cards from full speed to almost zero, that way the fan of the power supply does not have enough time to slow its RPM and so by doing this we get very accurate noise level readings. Needless to say, in order to get 100% accurate readings, you need to have a noise isolated room for that exact purpose, something which is quite impossible unless you are working inside a real lab (some people use very small noise insulated boxes but due to their size both heat and noise exceed normal levels and so the results can't really be considered to be 100% accurate, nor realistic for that matter). Also do take into account that since all noise measurements take place from just 5-10cm away the final noise levels to reach your ears will be considerably less.
* After well over 10 years of testing PSUs the Intel Core i7-920 CPU of this rig failed and so we replaced it with a Xeon X5660 (we also swapped the GA-X58A-UD7 for the G1. Assassin).
TEST RESULTS
![]()
![]()
![]()
CONCLUSION
![]()
The Dark Power line of power supply units by be quiet! has produced numerous high-performance models and the Dark Power 14 1200W is no exception. Rail stability is rock solid, the 80 PLUS Titanium certification means this model has an efficiency of almost 96%, noise levels are on the low side (remember, I never use zero fan mode during my tests) and as for build quality things couldn’t be much better than this. On top of these add all the available electrical protections and the OCK multi/single rail feature and you have one of the top power supply units in the market today.
The Dark Power 14 line by be quiet! was released into the market 3 days ago and so currently you can find the 1200W inside the EU for 311.44Euros (Amazon.de) a price tag which is balanced overall (was unable to locate it anywhere in the USA currently). At the end of the day the Dark Power 14 line follows the same path as its predecessors and since the 1200W model delivers as advertised and then some it deserves the Platinum Award.
![]()
PROS
- Very Good Build Quality
- Solid Rail Stability
- ATX 3.1 & PCIe 5.1 Compliant
- 80 PLUS Titanium Certified
- 1200W Output (2 x 12V-2x6 600W)
- Electrical Protections (OCP/OVP/SSP/OPP/UVP/OTP/SIP)
- Noise Levels
- Silent Wings 135mm Fan With Heatsink
- Multi & Single Rail Mode (2x33A/2x45A)
- 10 Year Limited Warranty
CONS
- Price (For Some)
- Current USA Availability
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