Over the last couple of years we`ve seen companies try and merge the two technologies together. These hybrid solutions have come in many shapes and sizes and for several different markets. One of the first to launch was from Adaptec with their MaxCache designed for enterprise environments. LSI soon followed suit and released CacheCade and after that we were greeted with products from SilverStone (the HDDBoost) and finally there was Intel`s attempt with Rapid Storage Technology. All of these products were a little different, but they all relied on the same principle - take a mechanical drive (or RAID of drives on the enterprise products) and pair them with an off the shelf SSD. The problem with doing a cache system this way is there is a lot of performance that the SSD needs to make up. Since the HDD is already much slower than the SSD, you have a very large margin between the two."
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