Samsung has MicroSDXC EVO Plus Memory Card w/ Adapter 128GB (2017 Model) for 29.99 when you buy with Unidays discount.
Edu student discount when used with unidays
Login to unidays student and then activate offer for samsung, search for microsdxc on samsung.com and price will reflect as 29.99.
Microsdxc evo plus 256gb is 99.99 after unidays discount.
Samsung search link
Some users reported that it works with corporate discount with Samsung its YMMV and you can check the same at Samsung if your work email works
This is my first post so feel free to edit and update as needed.