CPU too Hot while Gaming

[mirror.pigeons]

Case: CoolerMaster MasterBox Lite 5 RGB
CPU: Intel Core i7 8700K (Non-overclocked)
CPU Cooler: Noctua NH-D15S
GPU: Asus GTX1080 Windforce 8GB OC
RAM: Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3000MHz
Motherboard: Asus Prime Z370-A
Hardrive: Adata XPG SX6000
PSU: EVGA SuperNOVA 850 G2

Layout:

When I play Final Fantasy Windows Edition or Monster Hunter World in max setting 1080p 120Hz, CoreTemp keeps notifying me that my CPU is reaching 85c.

Is it because my case has bad airflow? Because when I remove the glass side panel, the temperature gets better.

If so, could someone recommend me a good case that has great airflow for my setup? Because I don't want to constantly have to remove my side panel and dust going in.

Thank you very much.

 

[mdd1963]

I find airflow thru the inexpensive ($50-$55?) windowed Corsair 100R to be quite adequate, where a 7700K at all-core 4.5 GHz typically reaches only 63C in gaming (Noctua NH-D15)

 

[mirror.pigeons]

^Thank you. I’ll definitely take a look.

I was told that cases with two fans at the back are better at cooling then one fan. If so, how come most of the recommended cases only have one fan at the back.

https://www.tomshardware.com/reviews/best-pc-cases,4183.html

 

[xravenxdota]

^Thank you. I’ll definitely take a look.

I was told that cases with two fans at the back are better at cooling then one fan. If so, how come most of the recommended cases only have one fan at the back.

https://www.tomshardware.com/reviews/best-pc-cases,4183.html

I actually made a custom fan for my amd fx 4170 4.2ghz 125tdp as back when i built servers.They all had one thing in common.There exhaust was stronger than the rest of the fans.It's a steel fan which runs from house power.My theory work tho as my pc when aida stress testing only reach 48c but on another hand usually a normal 120mm fan exhaust and 2/3 120mm in front does the job.