Question How to check if RAM is original or not?

[balagopalrk]

I want to purchase a DDR3 8GB RAM for an old PC to be used as mainly an office PC with light browsing. It currently has only 2GB stick which feels very slow. So, I thought of upgrading and looked up DDR3 RAMs on Amazon (India), apart from a few local brands which are dodgy at best and not that recommended by anyone, I saw a few listings on SK Hynix RAMs. But I am not able to determine whether they are original or fake because apparently fake Samsung and SK Hynix RAMs are easily available here and because it is DDR3, the selection is not great. I will attach the images of the listings and also one customer uploaded image as well, to see if there are any tell-tale signs that these RAMs are fake or not. I can't buy the stick and try out either because Amazon (India) has this weird unreturnable policy on PC components like RAM, Processor, SSDs etc., so purchasing is a gamble.
The motherboard I have is an ASUS H61m-CS if it is relevant at all.

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Edit: Adding the Amazon link as well for more details: https://amzn.in/d/gbxaOSP
There are lot of similar listings there, just added one for more clarity,