I figure it's just another one of those things, like the solid capacitors (-DSxx vs -Sxx) and the enhanced power distribution (GA-Exxx vs GA-xxx), in that now they have additional copper (-UDxx as ...

What Does Gigabyte Have to Say? “Inherit the product design spirit of GIGABYTE Ultra Durable, thus introducing a variety of high-quality materials and designs. Ultra Durable combines high-quality main ...