Gaming also have different version as well.
Gaming , gaming X, gaming Z (but u dun think have Y)
Anyway
Aero=founders edition
Armour= also same as founders edition (iirc)
Gaming, EK and a few others are of higher bin value. (Better ones)
There's no Y because you don't need to say Y to gaming hahaha
Anyway,
Aero is Blower type card, function the same as Founders Edition, which suck air and blow it out of the chassis instead of spreading the heat everywhere like normal open air card.
Armor is the open air, budget edition. Cool slightly better than Aero, some slight factory overclocked, but overall not as well designed and lesser cooling power compared to Gaming series.
Gaming series features Twin Frozr cooler, MSI signature high end cooler for GPU utilizing 2 fans and have a black and red dragon theme symbolizing the brand. Gaming series have a few variants. Gaming, Gaming X, Gaming Z, with each is slightly higher factory overclocked than the former. Some say Gaming Z is binned better, I am not sure though but likely to be true.
Duke is the 3 fan variant cooler with a stealth black design, targeting people who don't like the bold Gaming series design. It cools more or less the same as Gaming series Twin Frozr.
Others limited design like Lightning, Gaming X Trio, are special variants that only for the GTX XX80 TI series only. RGB is available for Gaming series and above
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