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I bought this to replace the HDD that comes with Lenovo Y40. I felt the machine was not as fast as I expected and decided to get this SSD. There were no reviews, but I thought I couldn't go wrong with this latest Samsung model. I was worried that the process to copy all data from original disk to new would be complicated, but luckily it was a breeze!! This SSD comes with a CD containing the migration software and Magician (for performance improvements). If you don't have an optical drive on your laptop, like me, you'll need to find another PC to copy the installation software to a USB drive or upload somewhere to the internet. I didn't find the migration software on Samsung website. EDIT: Gohanrocs12 comment provided where to find the migration software on Samsung website: [...] I also bought an external case from Amazon (http://www.amazon.com/gp/product/B00H98AXOE/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1). It was used initially with the SSD to migrate the data and now I use it with the HDD that was originally in my laptop. The migration software was really easy to use. I just picked the 2 existing partitions from original 1TB HDD and it set the two partitions on the 250GB SSD. I was able to readjust the size of the partitions and then it started the copying process. It took a few minutes to copy around 60GB of data. I believe under 10min, After it was finished I just removed old drive, installed the new one and everything was working. Didn't have any problems booting Windows 8 or anything else. I then ran the Magician software and asked to optimize disk for Performance and enabled the RAPID feature. I was running the Magician performance tests and they significantly improved after enabling RAPID. Now everything loads blazing fast and I'm very happy with my laptop and this SSD. UPDATE 19-mar-2015: There were some questions about ability of the migration software to copy the factory recovery partition to the SSD. Gohanrocs12 clarified it. Here is his comment: "...Limitations of the software: 6. OEM recoverypartitions, generated at the factory by computer manufacturers, cannot be replicated" As another customer noted in the comments, it may be a good idea to keep the original HDD around just in case you need to recover from disaster.