whats the difference between https://www.amazon.co.uk/HyperX-HX4...f=olp_product_details?_encoding=UTF8&me=&th=1 and https://www.box.co.uk/HyperX-FURY-RGB-32GB-(2x-16GB)-3200MHz-D_2716334.html besides the design? why is there such a price difference, the predator was £450