Mounted on a laptop MSI GE60 2PL APACHE nine (originally with a 500gb HDD at 7200 rev / min). The assembly is without any difficulty, it is necessary first of all disconnect the battery from the laptop and take care of our own discharge static electricity by discharging hands on a metallic object such tubing or radiator or office ... Then walk very Carefully install the SSD in its intended housing without forcing. Secure it with a small screw found on the motherboard of the PC. It's very simple not need a specialized installer! The result is very satisfactory, immediately recognized installation of the bone and all ultra fast programs. Starting the pc in about twenty seconds even with antivirus, all functions are incredibly boosted! 128GB is more than enough to install both w8 and all necessary programs without limitation. It retains the original disk for storage.