Warranty is 5 years,custmer enjoy free replacement in 5 years. Lowest Price: Factory sell directly Requirements for custom logo: *1. If you buy more than 10 SSDs, you can customize the logo for free *2. Send your logo to me in the form of words or pictures, and I will design it for you -The logo can be in jpg, jpeg, gif, png, bmp format, the page upload limit size is 5mb *3. Customized logo SSD is packaged in an anti-static bag.