Holy Christ, someone who actually gave us all the relevant information without being asked to. Makes it much easier for us, so thanks.

So for monitor, IMO 108060Hz is too basic these days. 144Hz could be a good option, but I'd recommend a 2560x1080 ultrawide. If you'd prefer 144Hz though, it'd only be about 40 euros more than the monitor I'll include in my parts list.

As your streaming and multi-tasking, you're going to want a Ryzen system. R5 1600 would be great but an R5 1400 is still a solid CPU, especially if you overclock it a bit.

I stayed mITX as requested, but just to let you know, you could save a good 75 euros by going with a Micro ATX system instead. You could also easily save some money on PSU, the 550W G3 for 80 euros is just a great price.

So here's the parts list;
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CPU: [ Register or Signin to view external links. ] (117.04 @ Amazon France)
Motherboard: [ Register or Signin to view external links. ] (123.91 @ Amazon France)
Memory: [ Register or Signin to view external links. ] (85.89 @ Alternate)
Storage: [ Register or Signin to view external links. ] (89.90 @ Amazon France)
Video Card: [ Register or Signin to view external links. ] (284.90 @ LDLC)
Case: [ Register or Signin to view external links. ] (42.99 @ Amazon France)
Power Supply: [ Register or Signin to view external links. ] (79.30 @ Cdiscount)
Monitor: [ Register or Signin to view external links. ] (172.95 @ Amazon France)
Total: 996.88

Unfortunately I don't know what the most demanding games you'll be playing are, so I just included a 6GB GTX 1060 because it will handle anything at 2560x1080 perfectly fine. Keep in mind, games like LoL, CDGO, RL, etc are not that demanding and you could easily save over 100 euros by grabbing a 1050Ti instead. You could also maybe have a look at the used market for well priced GTX 970/980s potentially. Unfortunately I have no information on the used market in France for you though.

Thanks a lot for your reply. I will play LoL, CSGO, Fortine while streaming + browsing a lot. I dont want to have any sort of ''freezing''. High settings of course, not ''ultra high''.
2560x1080 i think it's just too much for me. I'd rather prefer 1920*1080.

since i travel a lot i want the ''smallest/lighest'' case i can get. I didnt mention that i absolutely need WIFI.

Monitor can be 21.5'' inch for traveling purposes aswell, maybe 24 at max but 1920*1080 ( i dont mind if it's really budget and is ''just enough'' for me )
I definitly need 2*8gb ram tho. Last thing, isnt the cpu ''too'' tight for my needs that can ''evolve '' in the near future but stay within range? i suggest getting maybe a cheaper graphic card and ''slightly'' better cpu ?

Thanks again

unfail1 wrote Thanks a lot for your reply. I will play LoL, CSGO, Fortine while streaming + browsing a lot. I dont want to have any sort of ''freezing''. High settings of course, not ''ultra high''.

1050Ti would be fine for Fortnite and LoL so you could definitely drop the 6GB 1060 if you wanted.

unfail1 wrote 2560x1080 i think it's just too much for me. I'd rather prefer 1920*1080.

1080p is old, I definitely wouldn't recommend 1080-60Hz for anyone who has more than 800 euros to spend. If anything, go 1080p 144Hz.

unfail1 wrote since i travel a lot i want the ''smallest/lighest'' case i can get. I didnt mention that i absolutely need WIFI.

Mini ITX is the smallest form factor you can get, and Mini ITX motherboards come at a premium. A lot of them have wi-fi built in now, the one I chose just happened to be a good, cheap(for mITX) option and also has wi-di support.

unfail1 wrote Monitor can be 21.5'' inch for traveling purposes aswell, maybe 24 at max but 1920*1080 ( i dont mind if it's really budget and is ''just enough'' for me )

25" 2560x1080 is slightly shorter than many 21.5" 16:9 displays, and not ridiculously wider. 1080P 144Hz, you're looking at a 24" monitor.

Unfail1 wrote I definitly need 2*8gb ram tho.

You don't need it. 16GB is definitely idea but it's still stupidly over-priced and it's easy to add more of when you have some spare cash. That said, if you bump the 1060 down to a 1050Ti(and are comfortable doing so), then you could get 16GB RAM within budget.

unfail1 wrote Last thing, isnt the cpu ''too'' tight for my needs that can ''evolve '' in the near future but stay within range? i suggest getting maybe a cheaper graphic card and ''slightly'' better cpu ?

No idea what this means. Tight? It's a 4C/8T CPU that will run at 3.8GHz all day and match Haswell IPC at the same clock speed. There's plenty of future upgrade potential with Ryzen, like 8C/16T monsters currenty and rumours of even moar cores. Whereas no one has a clue what Intel is doing. Ryzen is objectively the better option for streaming and multi-tasking. However, an i5-8400 WOULD be better for 1080p144Hz gaming, but only if you were to pair with with an enthusiast grade GPU. GTX 1050Ti or GTX 1060, you'll notice little to no difference between the 2 in games.

Thanks again [/quote]

If you're happy dropping to a 1050Ti and going 1080p144Hz instead, then here you go;
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CPU: [ Register or Signin to view external links. ] (117.04 @ Amazon France)
Motherboard: [ Register or Signin to view external links. ] (123.91 @ Amazon France)
Memory: [ Register or Signin to view external links. ] (175.89 @ Amazon France)
Storage: [ Register or Signin to view external links. ] (89.90 @ Amazon France)
Video Card: [ Register or Signin to view external links. ] (166.97 @ Cdiscount)
Case: [ Register or Signin to view external links. ] (42.99 @ Amazon France)
Power Supply: [ Register or Signin to view external links. ] (79.30 @ Cdiscount)
Monitor: [ Register or Signin to view external links. ] (215.99 @ Amazon France)
Total: 1011.99

The monitor I included is Freesync though and with a mid ranged GPU, you'd definitely notice a difference with AMD over NVidia. Unfortunatelly, AMD have nothing modern to compete with the 1050Ti so I'd recommend looking for used AMD cards. I've seen some R9 290's sell pretty cheap, but even an R9 380X would be a solid option and should be easy to find at a reasonable price.

thanks a lot for your answer ! sorry english is not my native language. I meant that '' maybe'' the r5 1400 wouldnt ''satisfy'' my near future use ? so i better get a r5 2600 or it is just too much ? I'm really scared that r5 1400 wouldnt be ''enough'' within 1year so i pref pay a lot more on cpu.
i hear a lot of people say cpu coolers that are provided with the CPU arent that great so you still think i really dont need to buy another CPU cooler?

By reading some review, Vengeance LPX 16GB (2 x 8GB) DDR4-3200 or 3000 isnt better ?
Do you really believe gtx1050ti is the ''stricly '' minimum for my use? i dont know that much about graphic cards but i saw GTX1050 cheaper? i'm ready to buy the ''cheapest'' video card for now that would still allow me to satisfy my needs
for powersupply do i really need 550w or i can get away with cheaper//better quality for 450w for example?

Thanks a lotf or your answers and sorry if i asked too many questions

unfail1 wrote thanks a lot for your answer ! sorry english is not my native language. I meant that '' maybe'' the r5 1400 wouldnt ''satisfy'' my near future use ? so i better get a r5 2600 or it is just too much ? I'm really scared that r5 1400 wouldnt be ''enough'' within 1year so i pref pay a lot more on cpu.
i hear a lot of people say cpu coolers that are provided with the CPU arent that great so you still think i really dont need to buy another CPU cooler?

An R5 1600 would be a solid shout, but honestly an R5 1400 is fine. It's really up to you whether you'd rather pay the extra 30 euros. I would, but I'm an enthusiast. If you'd rather save cash, get the 1400. Stock cooler eith Ryzen CPUs are perfectly adequate.

unfail1 wrote By reading some review, Vengeance LPX 16GB (2 x 8GB) DDR4-3200 or 3000 isnt better ?

No, there are only really 3 people that make DRAM; SK Hynix, Micron, and Samsung. Corsair, G-SKill etc just buyDRAM from these companies and then put their own stickers/heat spreaders on them. Sometimes two of the exact same RAM kit will actually be from different manufacturers.

unfail1 wrote Do you really believe gtx1050ti is the ''stricly '' minimum for my use? i dont know that much about graphic cards but i saw GTX1050 cheaper? i'm ready to buy the ''cheapest'' video card for now that would still allow me to satisfy my needs
for powersupply do i really need 550w or i can get away with cheaper//better quality for 450w for example?

GTX 1050Ti is absolutely the best lower end option. GTX 1050s suck in comparison. They're fine for entry level systems, but 1000 euros isn't entry level. Even a 1050Ti is a bit low end for your budget, but you're getting a 144Hz monitor and 16GB RAM which makes up for it.

For PSU, wattage is as good as irrelevant. a 300W unit would power this system. I'd recommend semi-modular at least, because it makes cable management so much easier. The only other half decent PSU I can see that makes sense in France for less than the 550G3, is a Corsair CX550M, and that's only 10 euros cheaper; the G3 is far better.

Really thanks a lot, can you ''again'' link me the final build? btw r52600 isnt newer/better/not that much more expensive than r5 1600
1050ti ofc
psu i'll stick with g3 as you recommand me
recomand me the ''best'' ram i can get that will last a lot of time

Take your pick from the lists I posted above. Either go 1080p144Hz and 16GB RAM, or get a GTX 1060 and ultrawide. The 16GB RAM I recommended is fine and will "last" you as long as RAM is going to "last" you?

R5 2600 is a bit over-priced over the 1600 IMO since it's a minimal improvement and you have to deal with BIOS updates on older mobo's.

thanks a lot, in my country r5 2600 costs 7e higher than r5 1600 worth it to get 2600? would it be hard to deal with bios updates then ? can you explain to me more? thanks a lot

1060 is actually still one of the best bets, and they all clock pretty well, run cool...just a handful of them, vram dosen't really contact the sink worth a shit.