I don't think you will benefit by mismatching the RAMs. Your pc will run and the windows will detect the extra ram but unless you are running quad profile ( same spec on all rams) you wont benefit from it.
Might be an issue with the RAM / motherboard. Try to get a diagnostic 4 pin Cpu speaker and connect it to the mobo and try to hear any error codes. Easier to sort it out that way.
Selling multiple items for the sake of clearance.
All things have 7 days testing warranty unless mentioned otherwise. Please do your own research on specifications and compatibility, if you have any further questions regarding anything please PM me. Shipping might take upto 4 days and the...
Have ryzen 7 3700x with tuf gaming x570 motherboard and 32gb gskill 3200mhz ddr4 ram ( 16x2 ) and cooler master vertical gpu mount. Dm me if you need anything.