Block replacement method based on recency, and thereof hybrid strorage system

The invention block interchangeable SSD based on gender first block method and relates to the hybrid storage system applying this, using locality (Access locality) and latest after the lapse of time and the hit count (hit count) first block through the use ( priority) by providing an efficient method replacing the block with the rank, and provides a storage system of a hybrid block permutation method of the new SSD to improve the performance and life, and apply it.