In this review we’ll check out the Gigabyte X99 UD4; the more affordable X99 motherboard in the Gigabyte line-up, and we’ve have had our hands on. It has a nice feature set like SLI/Crossfire support, heaps of SATA3 connectors, M.2., good tweaking features, a near audiophile audio solution, and yeah the means to tweak. Join us in another X99 motherboard review.