Which one should i pick up ??

[Manas_3]

Which one should i buy -

2 Ddr4 4gb RAM

Or
1 Ddr4 8gb RAM ?

 

[Dark Lord of Tech]

2X4 runs slightly faster , it's called Dual Channel mode.

 

[Manas_3]

So in future after 2-3 years i can't upgrade ram if i do so I've to replace one and that will be of no use so tell me what to do then?

 

[Dark Lord of Tech]

Ram is always best purchased in pairs in the same retail pack , because even identical modules purchased at different times can be incompatible.

 

[Manas_3]

So I've to sell both of them. Right but the problem is anyone will buy?

 

[Flyfisherman]

Well it is a tough question to answer.

The first can only you decide depending of how much and which memory demanding programs you are using.

Second:
When it comes to memory's there are a few things to keep in mind:

1. Always install memory sticks from one memory kit. They are matched together.

2. Always make sure that the chosen memory's is indeed supported by the motherboard and its processor.
Different types of memory's, different frequencies, timings etc. the memory stick with the lowest speed will always set the speed for the rest of them.

3. Very important that the voltage of the memory are supported by the processor; meaning that a memory stick with to much voltage let say 1.5V when the processor spec. clearly says 1.35V - will damage and shorten the processors life span.

4. Make sure that the height of the memory modules can fit under the CPU-cooler (if it is not original).

Use a memory configurator such as
Corsair http://www.corsair.com/en-us/memory-finder
Kingston http://www.kingston.com/us/memory/search/options
G-Skill http://www.gskill.com/en/configurator
Etc.

Best regards from Sweden

 

[Manas_3]

So I'm buying Corsair ddr4 2×4 Gb ram with I3 6100 so great or not? http://www.amazon.in/gp/aw/d/B00TY6A2Z4/ref=mp_s_a_1_2?ie=UTF8&qid=1481328035&sr=8-2&pi=SY200_QL40&keywords=ddr4+4gb+ram

 

[Dark Lord of Tech]

So I've to sell both of them. Right but the problem is anyone will buy?

People will buy pairs , I sold a pair of Crucial Ballastics DDR4 last week , selling in pairs is an easier path , than a single module.

 

[Dark Lord of Tech]

So I'm buying Corsair ddr4 2×4 Gb ram with I3 6100 so great or not? http://www.amazon.in/gp/aw/d/B00TY6A2Z4/ref=mp_s_a_1_2?ie=UTF8&qid=1481328035&sr=8-2&pi=SY200_QL40&keywords=ddr4+4gb+ram

Yes they are great modules for the i3 , 2133 is a perfect match.