How many watts PSU do i need with these parts? Thx

Alex Kraus11

Commendable
Dec 6, 2016
31
0
1,530
These are my parts:

These are my parts:
CPU- Intel Core i7-6700K 4.0GHz Quad-Core Processor

CPU Cooler- CRYORIG H5 Universal 65.0 CFM CPU Cooler

MOBO- Gigabyte GA-Z170X-Gaming 5 ATX LGA1151 Motherboard

Ram- G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-3000 Memory

Storage- Samsung 850 EVO-Series 250GB 2.5" Solid State Drive
Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive

GPU- MSI GeForce GTX 1070 8GB Video Card
 
Solution

  • ■ 6700K = @default 1.25 Vcore = ~ 91 watt (max turbo boost)...I don't know what Vcore Gaming 5 use, usually some motherboard set higher than 1.25V.
    ■ Cyroig H5 fan = @0.16 amp * 12V = ~ 2 watt
    ■ Z170X Gaming 5, depend, chip controllers use certain wattage, i.e. the audio chip use more wattage if the volume level is high or all USB ports is used at the same time, so I'll just assumed it draw 160 watt from 24 pin ATX main power when you are using all communication connectors and system load is at maximum.
    ■ Two Ripjaw = @default 1.25 Vdimm = 2.98 watt.
    ■ Official GTX 1070 power target (base - turbo for reference PCB/founder's edition) is 180 watt....some vendor use their own PWM circuity to gain...

  • ■ 6700K = @default 1.25 Vcore = ~ 91 watt (max turbo boost)...I don't know what Vcore Gaming 5 use, usually some motherboard set higher than 1.25V.
    ■ Cyroig H5 fan = @0.16 amp * 12V = ~ 2 watt
    ■ Z170X Gaming 5, depend, chip controllers use certain wattage, i.e. the audio chip use more wattage if the volume level is high or all USB ports is used at the same time, so I'll just assumed it draw 160 watt from 24 pin ATX main power when you are using all communication connectors and system load is at maximum.
    ■ Two Ripjaw = @default 1.25 Vdimm = 2.98 watt.
    ■ Official GTX 1070 power target (base - turbo for reference PCB/founder's edition) is 180 watt....some vendor use their own PWM circuity to gain higher efficiency, such as 5+1 IR doubler (misleading 12 phase power design) to match their own percentile power target.
    ■ 250GB 850 EVO = ~ 2 watt, WD Caviar Blue 1TB = ~7 watt
    ■ 1000 RPM case fan = you can google your self or look at the sticker
Some tech stuffs

  • ■ Depend on manufacturer efficiency, a 500 watt PSU will still supply 600 watt, but lets say it's a 80% efficient @ 50% load, so the PSU will draw 360 watt to supply 300 watt DC.
    ■ Components quality, tomshardware PSU tier list is a good reference, you'll find certain watt rate is pricier than others b'cause the built parts that vendors use and maybe some modular option they include.

I'd say 450 watt is suffice at additional three 1000 RPM case fans.
 
Solution
@ Frag Maniac, GTX 1070 reference PCB board has 6+2 pin (150 watt) + 75 watt from PCIe slot, the link doesn't specify model that make me believe it's for non reference (tall PCB with 6+2 pin and 6 pin and higher power target), yes for future proof always go for high wattage PSU, who knows if someday we're end up using AMD FX 9000 CPU.
 
@ Frag Maniac, that's why vendors apply their own VRM design, you don't guess whole build power consumption, you just have to know their max TDP/watts. The OPs question was how many watt so I did the math and came up with 450 watt.
Why over complicating, because reference G104 (founder edition or ASUS GTX 1080 Turbo or MSI GTX 1080 Armor [non OC]) has 180 watt power target (150 watt from 6+2 PEG connector + 75 watt from slot).
I was guessing OPs question may relate to budget buy, so for a same tier (not wattage rated) I would suggest to get 450 W model but with high component quality.
 

Still, at the end of the day, 500w PSUs are more plentiful and can be had just as affordably. EG the over-complication not really solving the problem. This time of year there are tons of good deals on PSUs. There's simply no need to come up with a wall of text deducing what the lowest wattage he'll need is.

I really didn't want to argue the point with you, because I knew you'd probably just over analyze again, but you did have to go and nit pick at my response, didn't you? Happy holidays anyway.

 
I'm running 550 with a close setup and an AIO. OC'ing literally everything (CPU/RAM/GPU) with 7 fans in-case. No problems whatsoever. One GTX 1060. So yeah, a 1070 would draw more? Would I be worried upgrading to one, as I'm going to?: NOPE. But I'm not gonna SLI a 1070 when I get one. I've been down the SLI road and it sucks. Better one decent card than the heat and compatibility problems of two.