Can I mix RAM with different timings

[ChevyCam94]

I have a laptop that has 4 available RAM slots.

Two slots have 8GB Kingston modules, both are 17-17-17-39.

One slot has a 16GB Crucial Ballistx, at 16-16-16-39.

And the 4th slot is currently empty.

Recently I've been unable to install a very large app, 35GB. It stops randomly during the install saying an archive is corrupt. All files have been individually MD5 verified, and all are good. Someone told me that mixed RAM timings could be the issue, even if the RAM modules themselves are physically perfect.

The rest of the system appears to run perfectly, and has not had a single hiccup yet.

My main question is, can these three RAM modules be conflicting to cause my installer to crash? Is there some way to test ask the RAM under a heavy load, not just small patterns?

 

[n0ns3ns3]

If your system has booted and recognized all sticks, they all work on the same frequency (lowest) and timings (highest). That's how BIOS/Memory controller handles it.

 

[helpstar]

check hard drive with its manufacturers´tool

boot memtest86+ from an USB flash drive:
http://www.memtest.org/#downiso

eventually you will have to set CL 17 in BIOS manually

which laptop model is it and which RAM brands and models?

 

[ChevyCam94]

All modules are DDR4-2400, x-x-x-39. It's just the CAS latency timings that are different.

Laptop is an Answer Predator 17, G9-793-78CM. There is currently no way to set RAM timings in BIOS.

 

[n0ns3ns3]

you don't need to set anything manually.
Check with CPU-Z, ALL your sticks will be 17-17-17-39