TarDisk 256GB | Storage Expansion Card for MacBook Pro 13" | R13x Hybrid Drive: Simplest way to increase onboard  MacBook Storage. Flush, seamless integration into SDXC port. Additional storage space is added directly to existing Hard Drive. Storage: 256GB integrated flash memory with precision UniBody Aluminum enclosure. Speed: up to 90MB/sec, (UHS-1, Speed Class-3) Fits: 13" Retina MacBook Pro (All Years)