TarDisk is the first plug and play hybrid drive for Macintosh computers to hit the Market. Essentially TarDisk is an SD card with a unique software that they call 'Pear' now 'Pear 2.0' that has the ability to merge with your Macs existing hard drive to create single expanded volume. The uniqueness of TarDisk is apparent, running at the same speed as your original SSD. TarDisk merges with your existing drive to create one larger drive no tools required.Just like the MacBook Pro, TarDisk is constructed from premium components and finished inside of a solid aluminum uni-body frame. Immersed in 14KT Gold, all electrical contacts are engineered for accurate, reliable data transfer.High-Density 16 GigaByte (128Gigabit) (MLC) NAND dies provide compact digital storage available up to 256GB.TarDisk is equipped with 4K flash memory controllers, ensure stable, fast access to data when you need it.Get yours on Amazon or even on our website TarDisk.com for today only! (Starting Nov. 3rd at 3 am - Nov. 4th at 3 am)A few days ago we posted an Amazon link that did not work. Our apologies, here is the working link:https://www.amazon.com/TarDisk-256GB-Storage-Expansion-MacBook/dp/B010R82CP0?th=1