Which Ram should i take

[Saiiid]

Hello everyone

i have this specs 

i7-7700

ASUS GTX 1050TI 4GB

unknown 8gb RAM 2400MHz

and as motherboard i hvae this H110M PRO-D

so i want to upgrade my ram to 16gb but i got some informations tells that adding another ram that are not similar as the last will not give full performance so i wanted to buy new ram and i was confused between HYPERX and Corsair can you help me please to choose the best for this specs

here's links

https://www.amazon.de/Kingston-HyperX-HX424C15FB2K2-16-2400MHz/dp/B01D8U2B8W/ref=sr_1_6?__mk_de_DE=ÅMÅŽÕÑ&keywords=16gb+ddr4+2400&qid=1569237079&sr=8-6

https://www.amazon.de/Corsair-Vengeance-2400MHz-Performance-Arbeitsspeicher/dp/B017NW5NZY/ref=sr_1_5?__mk_de_DE=ÅMÅŽÕÑ&keywords=16gb+ddr4+2400&qid=1569237079&sr=8-5

 

[Skiiwee29]

Get whichever is cheaper. Your board and CPU locks the RAM at 2133 mhz anyways, so getting 2400mhz ram is pointless unless its cheaper than a 2133 kit. 

[Saiiid]

8 minutes ago, Skiiwee29 said:

Get whichever is cheaper. Your board and CPU locks the RAM at 2133 mhz anyways, so getting 2400mhz ram is pointless unless its cheaper than a 2133 kit. 

actually on amazon i didn't find 2133 kit but corsair is 2 euro cheaper thanks anyway