Just a week ago, we brought you news of XPG’s latest mainstream SSD: the PCIe 4.0 based GAMMIX S50 Lite, which provides slightly better performance that typical PCIe 3.0 SSDs on the market. Today, however, XPG is targeting the other end of the spectrum with the high-performance GAMMIX S70 PCIe 4.0 SSD that will be duking it out with the likes