bought this product the other day and have been very impressed with it so far. every copied disk works perfect with no crashing or faults. simple to install, just removing one screw from the laptop, sliding the old drive out, removing the screw catch and screwing that onto the back of the new drive. then just slide that in and put the screw in the bottom of your laptop and its ready to go. writing speeds for cds are superb, and the same with dvds. Cheap dual layer Aone dvds have been working perfect every time which is pleasing. this drive will fit into most, if not all laptops with ease. another quality product from pioneer, they never fail to produce top quality items. at a price of £25 on ebuyer, this is definately the drive you want to pick up if your old one breaks or its just generally not very reliable.