Will there be enough power supply 400 watt for gtx1070 and xeon2690?

Will there be enough power supply 400 watt for gtx1070 and xeon2690?
Thanks in advance.
March 19th 20 at 08:27
4 answers
March 19th 20 at 08:29
No, of course.

Even on a 1060 - 700w minimum.

That's interesting - people are willing to give it wow amounts of money for a video card, but for some reason begins to compress the amphibian, when it comes to the need to replace the PSU. And generally speaking, a shitty PSU can provide You need to buy a new vidyuhi, and new percent, and the new mother...

Krolowa leads to popadalovo
March 19th 20 at 08:31
gtx1070 - 150W
xeon2690 - 135W
If everything else you have in the computer will this PSU consume zero watts will be enough.
In General, open any PSU calculator and calculate what PSU you need.
March 19th 20 at 08:33
No
March 19th 20 at 08:35
No, not enough, ahead of me, she on top.
Need 700 at least.
Oh, okay. If a person there is no exotic - 550 is honest enough for the eyes. - Ayden commented on March 19th 20 at 08:38
@Ayden, it is better to take stock. A person may have several HDD, maybe it will be 100% to ship the whole system all day or in a month, another card inserted. This is exactly the case when it is better to pay more for 100 watts :)
Even 550 is just about 600-640 for a normal block. - Sibyl48 commented on March 19th 20 at 08:41
@Sibyl48, normal stock - 20% of the total design capacity of all system components.
All the rest is marketing and flushing electricity down the toilet. - Ayden commented on March 19th 20 at 08:44
@Ayden, you did forget about efficiency. "Stock" in this case means "so you do not have to buy a new unit when I put the second card".
And Yes, modern power supplies are adjusted according to the power consumption of the components and do not pull the extra watts out of your wallet :) - Sibyl48 commented on March 19th 20 at 08:47
@Sibyl48,
1. The power output of the PSU is specified with regard to efficiency.

2. Of course adjust. Just use your head and not ads to watch.
Example - take BP c 80PLUS label. Means that at a load of 20%, it will have an efficiency of 80%. But most unit have a peak efficiency between 50 and 90% load(up to 95-97%). If you take too powerful PSU - the system will rarely cross the 50% and never rises above 80%. Your loss of power is always about 20% (100% - efficiency 80%).
This is a good result. But picking up a podhodyaschuyuyu power BP - get your regular load of 70-80% of the power of BP in this range, the efficiency is higher, which means losing less and may fall to 5-10% (ie 2-4 times less.)

3. The installation of a second video card - a very rare situation. Often it is easier to change to a newer one. - Ayden commented on March 19th 20 at 08:50
@Ayden, Here is a direct a few problems:
1. The total capacity of a very bad indicator, it is necessary to look at the maximum currents on different lines, and the consumption of them. Often, if stock not enough, then you can overload, for example, 12v. Therefore, often it turns out that if you take the 20% reserve current need lines it will be much more than 20% of the stock by the total power.
2. Many of BP load parameters inflated much more than 20%. - marielle5 commented on March 19th 20 at 08:53
@marielle5, I Agree.
Peak power current lines, the number of power lines, the presence of protections at the input and the quality of cooling also need to consider when choosing a PSU. But all this off topic question( - Ayden commented on March 19th 20 at 08:56
@Ayden, Why is it just on the topic. 650-700W is a good choice - it will certainly work well. most 550W, nevertheless, will not. You can find one that will, and even more effective, and cheaper. But this will require a lot of knowledge, which are absent from the questioner, test data specific models, and even better test of a specific sample. It is unnecessary for the average buyer, and risky. - marielle5 commented on March 19th 20 at 08:59

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