Note:

1.If you are not sure if your computer motherboard is compatible with memoria ram, you can contact our online customer service at any time.
Please make sure your address is correct and detailed before placing order to avoid delivery failure.
We are not responsible for any wrong or undeliverable address. Please make sure your address is correct and detailed before placing an order..

2.Before ordering, please make sure that the RAM is compatible with themotherboard/CPU.

3.XMP 2.0 is an optimization technology used by Intel on DDR4,It can automatically overclock. Just open XMP function in the BIOS,So that could get the idealperformance setting.
Memory products with a frequency of 3000MHZ and higher than 3000mhz , which are not using the J.E.D.E.C. standard, which are with the X.M.P. standard. Please check whether the motherboard and CPU support X.M.P. before purchasing.
If the motherboard and CPU don' t support the change standard,the memory will can only work at 2666MHz/2400MHz.
In addition, due to the CPU and motherboard’s problems, for 3000MHz and above frequency 3000mhz memory, if you two pieces single channel memory or four combinations together , it may not be able to form daul channel or multi-channel, without the original manufacture’s test, you can mix and match personally , there may be mismatch and can’t work in right way .

4.We make sure all ram been tested 100% before shipping,if tried every method we offer you still can not solve yourproblems,we may have to do replacement.items need to be sent back by local post office air mail(not accept DHL/FEDEX/UPS,ect) ,when tracking number online,we will send you new ones.