A few months ago, Marvell announced a chip able to create a hybrid SSD from an SSD and a HDD. The principle is simple: the controller SATA 6 Gbit / s card is able to determine where to copy the data and it can - by Marvell - to obtain 80% performance of SSDs on the entire space. HighPoint, with RocketHybrid, is the first company to offer the cards.
It comes in two versions: one with two SATA connectors and one with two eSATA connectors. In both cases, the card interfaces in 1x PCI-Express 2.0, which de facto limits performance to about 500 Mb / s and the advertised price is right: $ 60. Good idea, two modes exist: either the card uses the SSD as a cache, or the card uses the SSD over the HDD.
The first mode is more reliable while the second provides greater usable capacity at the expense of data security: as RAID 0, a problem on one of two devices involves the loss of any storage space. HighPoint announced it had sent the cards to wholesalers, which indicates an imminent release. 
It comes in two versions: one with two SATA connectors and one with two eSATA connectors. In both cases, the card interfaces in 1x PCI-Express 2.0, which de facto limits performance to about 500 Mb / s and the advertised price is right: $ 60. Good idea, two modes exist: either the card uses the SSD as a cache, or the card uses the SSD over the HDD.
The first mode is more reliable while the second provides greater usable capacity at the expense of data security: as RAID 0, a problem on one of two devices involves the loss of any storage space. HighPoint announced it had sent the cards to wholesalers, which indicates an imminent release.
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