Macrevive 512GB NVMe PCIe SSD Internal SSD Solid State Drive for Apple Macbook Pro and Air Model: SNBTDG4N Brand new factory sealed. Ultra Read Write Speed Powered by NVMe interface (PCIe Gen 3.0 x4), the SSD?s sequential read and write performance levels of up to 1,800MB/s and 1,400MB/s. 3D TLC NAND Technology Triple-level cell (TLC) NAND stores 3 bits per cell. By adding more bits per cell, this reduces the cost and increases the capacity, keeping the Mac you love running faster, longer, and cooler than before. For Intensive Application Designed for macOS 10.13 and beyond. Ideal for 3D animation, rendering, photo and video editing, gaming, and other heavy workloads applications. Wide Compatibility The 3D NAND NVMe PCIe Internal SSD fits for Mac Mini (2014), Mac Pro (2013), iMac (2013-2017), MacBook Air (2013-2017), MacBook Pro (2013-2015). Please match your device?s EMC to see if this drive is the right fit for you. PLEASE READ: Must update original SSD to mac OS 10.13 or later version before moving out. New SSD will not be recognized after replacement if original SSD installed 10.12 or earlier Mac OS. Seller policies SHIPPING We usually ship within 1 business day of receiving cleared payment (excluding weekends and Holidays). All our items will be shipped to Buyer's's confirmed address. We are not responsible for wrong or undeliverable address. RETURNS We work along's policies in case the item is defective. Returns must be made within 30 days after receiving the merchandise. In the unlikely event that you are not satisfied with your purchase, please contact us. Return shipping is the responsibility of the buyer unless the return is a result of our mistake. A restocking fee may apply to all remorse, change of mind, or bought by mistake claims. Any item you return must be in the same condition you received it, and in the same original packaging.