samsung evo plus class 10 uhs-i microsdxc u3 with adapter (128gb mb-mc128ga/apc) samsung get more out of your mobile devices with fast read/write speeds, perfect for 4k uhd video. with astonishing performance and reliability, evo plus lets you save and treasure the richness of life. record and play 4k uhd video. with ultra-fast read & write speeds up to 100mb/s & 90mb/s respectively, the 128gb evo plus lets you transfer a 3gb video to your notebook in just 38 seconds. shoot high quality photos and videos, and share them all in an instant. never worry about space again. with massive amounts of storage the 128gb evo plus is enough memory for up to 6 hours of 4k uhd video, 17 hours of full hd video, 27,600 photos, or 11,500 songs. so go ahead and savor all of what life has to offer, and keep it all too.