These are the OEM original Akai 128MB compact flash cards with sounds that came with the MPC2500 and 500. These are used but fully working in good shape with original sounds
Akai MPC Original Compact Flash Card w/ Akai Sound Bank. These are reproductions, they are not original Akai however do have all the original Akai MPC sounds on them. The card may look different than the picture as they will vary by brand.