First time Building PC and need some advice and opinions

robertflood94 · May 13, 2018

My build is: https://pcpartpicker.com/user/Robflood/saved/b77d6h

I'm running into the struggle of figuring out how many fans are necessary for my build. I don't want my new unit to run hot so i'm trying to figure out whats the best approach. My goal as well is to keep the unit as silent as possible but any opinions or advice would be great!!

velocityg4 · May 13, 2018

That system has all the fans you'll need.

robertflood94 · May 13, 2018

velocityg4 :

Thanks for that velocity, would you have any additional recommendations based on the build? and if you have the time elaborate why, what I already have is enough. Only reason i'm asking, is because i've ran this build by a couple people and kept getting mixed responses on my fans were and weren't enough!

velocityg4 · May 13, 2018

It's not about the number of fans but how much air they move. The case has a good design to allow a lot of airflow. Three 140mm Corsair AF series fans move a lot of air. Far more than is needed to supply one GPU and heatsink with cool air. It's probably replacing air in that case every two to three seconds. You'll be boosting exhaust or intake rate even more with your 240mm radiator.

I've custom built a case for mining with two Noctua iPPC-3000 140mm exhaust fans pulling air through a HEPA filter. That keeps 9 GPU cool in a hot garage. It should be cycling the air in my 2x2x2 foot case every 2.7 seconds.

The enthusiast system in this OCP review generates far more heat than yours ever will. It has three GPU packed tight and each generates more heat than a 1080. A super hot CPU with big air cooling. So, heat dumps in the case before exhausting unlike yours if you exhaust mount your watercooling. It also has four hard drives. This is a scenario many times worse than yours. Yet it manages to keep everything within safe temps. Yours won't be a problem for it.
https://www.hardocp.com/article/2015/07/30/corsair_obsidian_series_750d_airflow_review/6

Update: Unless you are going to RAID those dual 4TB hard drives. A single 8TB hard drive would be a better choice. They generally have faster sequential read/write due to higher data density. I also couldn't picture spending that much for 4TB drives. Getting cheaper 7,200RPM models and dumping the saved money into a better SSD and GPU will be more beneficial.

This build will have better gaming performance and overall performance for about the same cost.

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i7-8700K 3.7GHz 6-Core Processor ($346.96 @ OutletPC)
CPU Cooler: Corsair - H100i GTX 70.7 CFM Liquid CPU Cooler ($199.87 @ Newegg Marketplace)
Motherboard: MSI - Z370 GAMING PRO CARBON ATX LGA1151 Motherboard ($155.56 @ OutletPC)
Memory: Corsair - Vengeance LPX 32GB (2 x 16GB) DDR4-3200 Memory ($397.22 @ Amazon)
Storage: Samsung - 970 Evo 1.0TB M.2-2280 Solid State Drive ($399.99 @ Samsung)
Storage: Seagate - IronWolf 8TB 3.5" 7200RPM Internal Hard Drive ($232.99 @ SuperBiiz)
Video Card: EVGA - GeForce GTX 1080 Ti 11GB SC Black Edition Video Card ($769.99 @ Amazon)
Case: Corsair - 750D Airflow Edition ATX Full Tower Case ($149.99 @ Amazon)
Power Supply: EVGA - SuperNOVA G2 850W 80+ Gold Certified Fully-Modular ATX Power Supply ($149.99 @ Amazon)
Total: $2802.56
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-05-13 18:37 EDT-0400

robertflood94 · May 13, 2018

I currently have most of my parts purchased. My last items to purchase is my RAM. Processor and Case. I would not be able to change up especially with how hard video cards are to come by now with mining. Thank you for all this valid info, and it helped a lot. Coming from your expertise is my build still going to perform great when gaming and streaming?

Thank you again for your help!

smorizio · May 13, 2018

make sure the fans are 4 pin pmw fans and your mb has 4 pin pmw fan headers. pmw fans you can go from stopped to full speed by temp the mb reads. with case fans you dont want full speed all the time for sounds. 3 pin fans are controlled by voltage and most fan controllers you have three settings. off...50 percent or 7v and then 12 full power.

velocityg4 · May 13, 2018

robertflood94 :

By any sane measure it should perform well. You're welcome.

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