Solved ram upgrade macbook pro mid-2012; solved asus x407u laptop ram upgrade? solved my laptop is asus a555lf-xx406d. should i upgrade my ram from 4gb to 8gb or get an ssd instead? upgrade ram on. Crucial mx500 250gb 3d nand sata 2.5-inch 7mm (with 9.5mm adapter) internal ssd ct11299591 250gb 2.5-inch internal ssd • sata 6.0gb/s • 560 mb/s read, 510 mb/s write; upgrade for asus zenbook ux32a system.. Nach