The market for solid-state drives continues to grow rapidly and competition is intensifying again. While there used to be few controllers to choose from, there are now half a dozen more viable options on the market. The introduction of the Marvell 88SS9174 controller used by the Crucial RealSSD C300 caused quite a stir, while the recently released Samsung S3C29MAX01, used exclusively in Samsung 470 series SSDs, is another great option for consumers.
Although these new products are getting a lot of attention, the majority of SSDs are still based on the well-known SandForce SF-1200 controller as it offers some of the best performance and is not bad in terms of pricing either.
While there are more SandForce-based drives out there than we'd like to count, OCZ's Vertex 2 would have to be the most infamous. OCZ quickly jumped on the SandForce bandwagon and made the Vertex 2 one of the first to ship with this controller. Since then, the company has released many products based on the SF-1200, including the RevoDrive.
The original RevoDrive, which was first announced in June, contained not just one but two SF-1200 controllers in RAID and had up to 80,000 IOPS (Input / Output Operations Per Second). It was introduced with capacities ranging from 50 GB to 480 GB. The 50 GB model showed sustained data transfer speeds of 350 MB / s, while sequential read speeds of up to 540 MB / s were reported.
As impressive as the first RevoDrive was, the successor model we are testing today blows it completely out of the water. Less than two months ago, OCZ announced that the RevoDrive X2 effectively doubles the number of SF-1200 controllers used in RAID and comes in sizes ranging from 100GB to a whopping 960GB.
The additional controllers increase the continuous write speed up to 600 MB / s, with the sequential read / write throughputs reaching 740 and 720 MB / s. In addition, the RevoDrive X2 should be able to achieve an incredible 120,000 IOPS.
In contrast to conventional solid-state drives, the RevoDrive X2 is a PCI Express SSD. That means it doesn't rely on the SATA interface, which makes it very different from previous products we tested. Let's take a closer look …