There are a number of sites where students can access a discount on devices. This often requires some kind of proof that they are a student. The links below 

  1. Student beans computer discount page:

    https://www.studentbeans.com/student-discount/uk/cats/computers-laptops-tablets

  2. Microsoft edu discount website:

    https://www.microsoft.com/en-gd/store/b/student

  1. Lenovo edu discount website:

    https://www.lenovo.com/gb/en/student-discounts/

  2. HP edu discount website:

    https://www.hp.com/gb-en/shop/offer.aspx?p=students-offers

Asus edu discount website:

https://special-offers.asus.com/uk/edu/introduction/