High temp New Build i5 9600k

Jan 28, 2019
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Hi everyone!
I have recently changed pretty much all components. TY boxing day!
I intend to overclock the i5 9600k, but I have found that the base temps seem high.

My Rig:
MSI - Z390-A PRO ATX
Intel Core i5 9600K
Corsair - H80i 77 CFM Liquid CPU Cooler
Gigabyte - GeForce RTX 2070 8 GB
G.Skill - Trident Z RGB 16 GB (2 x 8 GB) DDR4-3200

Using CPUID HW monitor, and RealBench
Idle temp is at 32C and after a minute of blend test, the core package hit 90-100C.

This is before any O/C

The fan speed is around 1300RPM at idle, and rose to around 2100RPM under load.

Fan profile is at full speed in MSI bios.

The clocks are running at MAX 4540MHz at 1.26V.

I haven't checked the seating of the cooler/paste yet, but I'll do it later today.

Is there anything else I should check? This cooler, is my old one, but seems to be made for the job from what I can see?

Appreciate any input, thanks.