I5 3570k temps/airflow/overclocking

[Jared485]

Hey here are my main components:
Case: Nzxt Phantom w/ 7 fans:
(3) 120mm
(3) 200mm
(1) 140mm

CPU: i5 3570k
CPU Cooler: coolmaster evo w/ 120mm fan
RAM: Kingston hyperx 4x4 16 GB 2400 Mhz
HDD: (2) 1 TB's
PSU: 700w
MOBO: Sabertooth z77 w/ 2 asst fans

I have a few questions:
1. My idle temps are 19-21C, im wondering what the max should be, ive seen people say they've run there's to 85-90 but online I read 67.4 is the max the CPU should be at. I wondering how hot is too hot. Should I be scared at 40 degrees or 80??

2. Also I have 1 120mm fan in the rear 2 200m fans on top those are all exhaust. I have a 140mm infront, 2 120mm's on the right side, along with a 2omm which are all intake. The CPU fan is facing the hard drive bays but cant tell which way the air I being blown it feels like both directions?? Im wondering if that is a good airflow setup with my fans?

3. Now for overclocking ive gotten t to 4.4 and haven't tried any higher the idle speeds are identical to stock. What stress tests should I do ive heard prime95 is a good one, and how long should I run the tests for?

Thanks, any help would be awesome and very helpful!

 

[rolli59]

Anything past mid 60's under normal load (gaming and such ) I would start worrying.
Yes that is fine airflow.
Prime 95 is good if it runs for an hour you are good, temps will be higher than normal load.

 

[Jared485]

Thanks for the help and reassurance!