(Image credit: Gigabyte) You're probably already well aware of the three largest memory vendors: South Korea's SK hynix and Samsung, and the United States' Micron. There's a fourth player up and coming in the market, though, and that's China's ChangXin Memory Technologies, more commonly known as CXMT. CXMT is pumping out RAM as fast as it can to soften the effects of the RAMpocalypse on domestic (to China) consumers, and it's also expanding capacity quickly . Given these factors and the size of the Chinese market, it should come as no surprise that motherboard vendors, including Gigabyte, are advertising fresh support for the chip . MSI appears to have been the first major motherboard vendor to publicly promote BIOS optimizations specifically for CXMT DDR5 memory, initially through China-market BIOS releases and later with global announcements .…