Super Cheap eBay Ram - how to check if fake?

[everapt]

I am looking to purchase 8GB of DDR2-800 ram from a Chinese eBay seller because the price is pretty cheap.

I will say this first, I have purchase cheap Chinese ram before, and it has worked 100% stable without any problems/blue screens for 3+ years, so I know they CAN be legit.

Nonetheless I want to check it's legitimacy so that I can return it if there are any problems.

Is there any program to check if the 8GB capacity of the ram is as advertised? Would something like MemTest86 test for that?

I want to check capacity because I've heard, at least with USB storage drives, that some Chinese sellers sell cheap ones that post 64GB capacity when you plug them in but in reality they have like 16-32GB. And so I'm wondering if it's a similar case with RAM as well.

 

[CountMike]

Although CPU-Z https://www.cpuid.com/softwares/cpu-z.html would tell you what real capacity and JEDEC/XMP are, this would give you even more data about it: http://www.softnology.biz/files.html
Look under tab EEPROM > Read SMbus .....