Micron 7300 PRO 480GB TLC PCI Express 3.0 x4 NVMe M.2 2280 Internal Solid State Drive. The Micron 480GB TLC PCI-E M.2 2280 Internal Solid State Drive (SSD) is a high-performance storage solution designed for exceptional reliability. It features a PCI-E interface, which allows for faster data transfer speeds, and a M.2 form factor, which makes it a great option for use in slim laptops or ultrabooks.