Any 2.5" SATA drive will work. Here is the guide to replace it:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://m.youtube.com/watch%3Fv%3D9cdgdviEEys&ved=0ahUKEwitqePi_fnUAhUpzoMKHRRjA58QwqsBCB8wAA&usg=AFQjCNGjkPxlojsaYJ8SBMAqyJPHQpIOHA
If you want to upgrade to a SSD, I recommended this one:
https://www.amazon.com/gp/aw/d/B01F9G43WU/ref=mp_s_a_1_3?ie=UTF8&qid=1492403105&sr=8-3&pi=AC_SX236_SY340_FMwebp_QL65&keywords=ssd&dpPl=1&dpID=31-X%2BjRZTpL&ref=plSrch
If you want an upgrade but don't want to spend the cost of an SSD, you can get a SSHD for near the same price of a regular HDD:
https://www.amazon.com/gp/aw/d/B01LYNQXCP/ref=mp_s_a_1_14?ie=UTF8&qid=1492403210&sr=8-14&pi=AC_SX236_SY340_FMwebp_QL65&keywords=hdd
Hope this helps!