Viper's Lair has posted a review on the Highpoint RocketRAID 1520 Card

Well basically the HPT372a processes the data and moves it thru the PCI bus, but the data coming into the card first passes through a Marvell 88i8030 Serializer-Deserializer chip (1 for each channel). So what does this mean for the end user? That basically you will be limited by the HPT372a to ATA133 speeds, and not the 150 speeds promised by the SATA interface.

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