If you want more hard drive space on your laptop with an upgrade, I recommend one of the newer 1Tb SSHD drives. Around $55 dollars. These are Hybrid Hard Drives with 1Tb of standard platter storage space and 8Gb NAND (SSD) memory for OS files. You get fast boot times and generous standard storage space. I've purchased at least 6 of these drives in the past and installed them on various PCs and Laptops with great results. These are 2.5" Slim SATA drives. They can be used in Desktops with a cheap 2.5"-3.5" adapter tray.
MaxDigital 1TB 16MB Cache + 8GB NAND SATA III 6Gb/s (7mm) Slim 2.5" SSHD (Solid State Hybrid Drive) - For Laptop, MacBook, PS4/PS3