RAMMAX TECH We are memory modules manufacture in Taiwan and have more than 20 years experiences in this industry. We have full ranges of memory modules from DDR to DDR4 and even gaming modules. We only use original ICs (Samsung or Hynix) for DDR3 and Nanya for DDR4 and only original ICs for So Dimm. We can supply our customers OEM or our own brand with retail package. We also have our distributor in many countries such as Japan, Philippine, Chile, Brazil and Russia…etc. We will do all the testing on major brand motherboard (test more than once) before we send you the modules. Or any specific motherboard you need us to use, we can do it for you also.