Be Quiet Straight Power 11 Unboxing and Install

Be Quiet! sent over the Straight Power 11 series 750w Gold rated PSU for review and to work with.

Gaming PC Example:

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All of the Straight power 11 series power supplies are 80 plus rated. The line up consists only of Gold and Platinum rated power supplies. The Gold series offers models with wattage ratings of 450, 550, 650, 750, 850, and 1000w. The Platinum rated line starts out and finishes a little higher at 550w extending all the way up to an impressive 1200w.I’ll be testing the 750w model from the gold series. The entire gold series has an efficiency rating of up to 93%. Both lines in the Straight power 11 family use a Silent Wings 3 135mm fan for cooling. In be quiet! tradition, the silent wings 3 offer great airflow with nearly no audible noise. Be quiet tested the PSU under 20%, 50%, and 100% loads to better understand the noise output. At 20% they noted 8.41dba, 50% was 9.01dba and 100% load generated 21.23dba. The silent wings fans are rated for several years of continuous operation at very low power draws. The air intake on the Straight power 11 family of PSUs is funnel shaped. Be quiet says this increases air flow which compliments the wire-free design inside of the PSU. As all electrical connections are on the PCB instead of using cabling which limits airflow. The fan, fan inlet, and wire-free design all contribute to excellent temperatures for the PSU while maintaining a noise level lower than any other component in the system. The entire family of PSUs is fully modular meaning you can choose to install only the power cables that you need. Modular PSUs are extremely helpful when building PCs as they will normally result in less overall work and increased case air flow since the unneeded cables aren’t used.

Be quiet has not skimped on any component inside of the PSU. The Straight power 11 series features upgraded components for tighter voltage regulation even under heavily sustained loads. The capacitors used have been tested up to 105C, though they will likely never see those kinds of temperatures thanks to the air flow design. The Straight Power 11 family of PSUs all carry 5 year manufacturing warranties.

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[righteousred]

Thanks. Gonna pick it up locally tomorrow. This psu is also on the LTT PSU tier list at a very respectable placing

[Joel-bhxd]

Thanks so much! This was my first fully modular PSU and I wasn’t sure where each cable was supposed to go. Although I did plug in the GPU cable in the middle slot as the manual said.

[-Steeltoelion-]

I’ve got the 750 Platinum Straight Power 11

100% recommend. No complaints except I need more Zipties.

[ThisDyingEarth]

Thanks for the review. Just bought this following a recommendation for a PSU capable of supporting the new RTX 3080 and this particular model and the EVGA G5 750w seem to have sold out quickly on Amazon UK since the new cards were announced.

[MostafaAkoushahly]

i couldn´t follow when u installed the cables that was fast

[xceyez]

Just picked this up. Will be replacing a 5 year old EVGA GQ that's started to make noises and crash occasionally.

[Laulaupp]

My new Be quiet straight power 11 PSU smells like "hot plastic" (I'm having a bit of trouble describing the exact smell). Do you think this is normal?

[jugulu]

Hi, i've upgraded my pc with an ryzen 7 7700 and rx 6700 xt, but i have some problems with black screens. Everytime i play a game after 5-10 mins i get a black screen and my pc restarts, and from time to time my screen goes black for 2 seconds then comes back to normal. So i searched on google my problem and found out that might be the psu. I have a thermaltake smart rgb 80+ 700W (i have it since 2019) and i think of buying this be quiet psu if needed.

Can u give me a suggestion? Might be the psu or can it be another component? I don't want to spend money for the problem to persist.

[Cpt_NoHand]

I have a question. I'm running this power supply and have for now a 1070 gpu connected on the PCIe 2 slot cause it only needs one cabel. But I'm upgrading to a 2070 Super and now it needs one 8 pin and one 6 pin. Now, I could use the Y cabel which comes with the psu and keet it at the PCIe 2 slot. or should i just use the other 8pin cabel and use them on the PCIe 1 and 3 slot on the psu?
Which way is better? or is it not that important.

[Bizzarti]

I'm thinking about buying the 850w one, but I don't know the differences between the Gold and Platinum versions

[painy]

The manual says when using the 12v rails you should use the second rail if you only use 1 of them. But you have used the first one?

[vervonal]

What keyboard do you use? Looks really cool

[jrohueh]

hey I’m kinda new to pc building and I read below that you plugged in something wrong.Could you explain what you did wrong again? What is a 12v rail and what does it plug into and how did you do it wrong?

[otternation]

Hey! i have question about PCIe connectors. I bought be quiet straight power 11 750W platinum and i have only 2x PCIe (pcie 1, pcie2). In user manual are 3 connectors pcie (1, 2, 3). This is normal?

[gunslinger]

Can you tell me exactly what cables are included, I’ve looked at some pc part websites and it seems to only say stuff about 8/6+2 pin or 4 pin cables. Will it come with a 24 pin one, just checking because it never said on those websites.

[maxblt]

Thanks, May I use only one SAT-A cable for 2 SDD ? Or Il have to use one for each SSD ?

[sheru]

Hey, its my first time building a pc and this psu is kinda giving me trouble, I am super confused on where to place each cable and if I should do my cables in the same config as you. And 1 more thing, If I only have an nvme ssd, do I have to still put a cable in the drives portion of the psu?

[auradzrts]

Between this vs Super Flower Leadex V, what is better for Sapphire RX 5700 XT Nitro+?

[NotZemsta]

Hey man one question can I use 1 VGA1 cable for my 2070s?

[kerlowkey]

I have a 20+4 pin motherboard (aorus b550 elite v2), so do I just plug the 20+8 pin into the PSU like you did? Nuubie here hehe