This is a great ram,crucial have a better design and quality compare to the ram that comes with my computer when I bought it new,very easy to install,they will suggest that when you upgrade your ram you should get the kit because they work better since there the same brand thats nonsense,you dont have to buy the kit if you only wanna add 2 Gig for extra boost of speed ,as long as there the same spec,theyll sinc just fine,on my computer I have 3 defferent brands of ram totalling 8 gigs,they work great ,but if I have a choice I would like to install crucial Ram because of the quality,its easy to see that crucial have better quality,just put them side by side and you see the defference they look tough,I own multiple computers,and all of them had been upgraded with crucial Rams,and they all work great,so its crucial to use crucial...