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The be quiet! Dark Power 13 850W offers 80 PLUS® Titanium efficiency and a virtually inaudible frameless fan concept for flawless cooling. Its superior features make the Dark Power 13 a paragon in the field of 850W power supplies
"| Model | Dark Power 13 850W |
| Continuous power (W) | 850 |
| Peak power (W) | 950 |
| Form factor | Version 3.0 |
| Form factor EPS 12V | Version 2.92 |
| Modular cable management | ? |
| Topology | Active Rectifier + Full bridge + LLC + SR + DC/DC |
| Wire-free design (DC-side) | ? |
| Digitally controlled | - |
| Voltage (Vac) | 100 - 240 |
| Frequency (Hz) | 50 - 60 |
| Input current (A) | 10 / 5 |
| PFC | active |
| Power factor at 100% load | >0.98 |
| Compliant to Intel C6/C7 | ? |
| Power consumption in standby (W) | <0.13 |
| Average life time (h / 25°C) | >100,000 |
| Operating temperature up to (°C) | 40 |
| 12V rails (multi-rail operation) | 4 |
| 12V single rail operation | ? |
| Overclocking key | ? |
| +3.3V (A) | 24 |
| +5V (A) | 24 |
| +12V1 (A) | 30 |
| +12V2 (A) | 30 |
| +12V3 (A) | 35 |
| +12V4 (A) | 35 |
| +12V5 (A) | - |
| +12V6 (A) | - |
| -12V (A) | 0.5 |
| +5Vsb (A) | 3 |
| Max. combined power 12V (W) | 840 |
| Max. combined power 3.3V + 5V (W) | 120 |
| Hold-up time at 100% load (ms) | 22.6 |
| Power good signal (ms) | 100 - 150 |
| Fan type | Silent Wings |
| Bearing technology | FDB |
| Motor technology | 6-pole fan motor |
| Fan size (mm) | 135 |
| Max. fan speed (rpm), temperature-dependent | 1800 |
| dB(A) at 10% load | 7.5 |
| dB(A) at 20% load | 7.5 |
| dB(A) at 50% load | 7.6 |
| dB(A) at 100% load | 19.8 |
| OCP (over current protection) | ? |
| OVP (over voltage protection) | ? |
| UVP (under voltage protection) | ? |
| SCP (short circuit protection) | ? |
| OTP (over temperature protection) | ? |
| OPP (over power protection) | ? |
| SIP (Surge & Inrush Protection) | ? |
| CE | ? |
| CB | ? |
| TÜV | ? |
| FCC | ? |
| cRUus | - |
| cTUVus | ? |
| RCM (Australia) | ? |
| BSMI | ? |
| CU (Russia) | ? |
| CCC | ? |
| UKCA | ? |
| 80 PLUS certification | Titanium |
| Efficiency (%) at 230V, 2% load | 73.6 |
| Efficiency (%) at 230V, 10% load | 92.0 |
| Efficiency (%) at 230V, 20% load | 94.7 |
| Efficiency (%) at 230V, 50% load | 95.4 |
| Efficiency (%) at 230V, 100% load | 93.5 |
| ENERGY STAR | 8.0 |
| ErP | ? |
| WEEE | ? |
| RoHS | ? |
| Triman | ? |
| Cable management | Modular |
| Sleeved cables | ? |
| Cable length to mainboard (cm) | 60 |
| Flat cables | - |
| Cable length to first connector (cm) | 60 |
| Maximum cable length (cm) | 105 |
| All-in-one cable (SATA/PATA/FDD) | - |
| No. of cables | 12 |
| ATX-Motherboard (20+4-pin) | 1 |
| P8 (CPU) | 1 |
| P4+4 (CPU) | 1 |
| P4 (CPU) | - |
| 12VHPWR cable / W | 1 / 600 |
| PCIe 6-pin (GPU) | - |
| PCIe 6+2-pin (GPU) | 4 |
| PATA | 3 |
| SATA | 12 |
| FDD (Floppy) | - |
| External fan connectors | - |
| Dimensions without cable (L x W x D), (mm) | 175 x 150 x 86 |
| Weight (kg) | 1.97 |
| Color | Black |
| Thumb screws | ? |
| Screws | ? |
| Cable ties | ? |
| Velcro cable ties | ? |
| Box/Bag for PSU/Cables | ? |
| User manual languages | DE, EN, ES, FR, PL, RU, TW, CN, JP, KC |
| OCK slot bracket with switch / OCK jumper | ? |
| SFX-to-ATX adapter bracket | - |
| Warranty (Years) | 10 |
| Express replacement service in first year | DE, FR |
| International hotline / free of charge | ? / DE, FR |
| Article number | BN334 |
| EAN code | 4260052189399 |
| Dimensions, package (L x W x H), (mm) | 350 x 120 x 270 |
| Gross weight, package (kg) | 4.25 |
| Pieces per packaging unit | 4 |
| Dimensions, shipping box (L x W x H), (mm) | 504 x 305 x 368 |
| Gross weight, shipping box (kg) | 18.33 |
| RRP (€) | 259.90 |
| Lighting | |
| Lighting | No |
| Colour | |
| Primary Colour | Black |
| Power Specifications | |
| Total Power Output | 850 W |
| Power Output +12V rails | 840 W |
| Dimensions | |
| Length / Depth | 175 mm |
| Width | 150 mm |
| Height | 86 mm |
| Weight | 1.97 kg |
| Installation depth | 17.5 cm |
| Efficiency Class | |
| 80PLUS Efficiency | 80 PLUS Titanium |
| Fan Specifications | |
| Fan Size | 135 mm |
| Power Supply | |
| PSU Format | ATX |
| 12V Distribution | multi rail |
| Modular Power Supply | Yes |
| Modular Type | fully modular |
| Cooling | |
| Semi Passive Power Supply | No |
| Case Fan Controller | Yes |
| Internal Ports | |
| CPU Power Connectors 12V ATX/EPS | 2 |
| CPU Power Supply | 1x 4+4-Pin |
| 6+2 Pin PCIe Power Connectors | 4 |
| SATA Power Connectors | 12 |
| 4 Pin Molex Power Connectors | 3 |
| Software interface digital | No |
| Cable Specifications | |
| Max. CPU Power Cable Length | 105 cm |
| Max. 24-Pin Motherboard Power Cable Length | 60 cm |
| Max. PCIe Power Cable Length | 60 cm |
Originally received a defective psu which had a loud continual clicking noise and only lasted a few cycles before it stopped powering on at all. RMA'd and now received a perfect unit which is almost inaudible at load and while idle. 5 stars from me if you receive a good unit - however I would be wary of BeQuiet's quality control on this line. I've seen a lot of complaints online about this type of issue
Constant loud clicking noise that sounds like a car idling at a set of traffic lights - or a really old and broken hard drive
Unfortunately this power supply falls short. It could very easily be the perfect power supply, but I personally had some problems. The first issue I noticed was that this power supply does not have a fan stop mode - not an issue in itself, I knew this when purchasing. This would have been completely fine if the fan was actually silent at low RPMs (like the rest of their stand-alone fans), but it's not. It emits an awful "rrrrr" noise which is audible if you have a quiet system in a quiet room. I'm not sure if this is a bad batch or if it's simply the design of the fan - either way, it's not acceptable on a unit which costs £230 and comes from a company named "be quiet!" The second issue only came to light after I swapped this for another brand - whenever I turned my system on at the wall, it would start booting up without even pressing the power button. Originally I thought this may have been a BIOS setting or another quirk with the system, but the other brand I switched to did not show this behaviour, leading me to believe that the power supply is at fault. These kinds of issues are not something you want to see on a premium power supply like this. If these two issues were fixed, then this would definitely be an excellent unit for any system, but unfortunately (and unexpectedly) it fell short. If you are looking into buying a Dark Power 13, I urge you to look elsewhere if the above issues matter to you.
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