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OCZ RevoDrive 120GB PCIe SSD Review

OCZ RevoDrive 120GB PCIe SSD Review

OCZ RevoDrive 120GB PCIe SSD Review

The OCZ RevoDrive 120GB PCIe SSD

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OCZ package the RevoDrive in a stylish box and list a few key product features on the front. On the back we get an image of the product as well as a little more information. After removing the outer cover we find a thicker inner box and in this is the drive itself, wrapped in an anti-static bag and surrounded by foam.

Bundled with the RevoDrive is a small manual which points us to the OCZ website for the latest driver and a small case sticker.

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The RevoDrive uses a black PCB and PCIe 4x interface. Attached to the front of the PCB is the Pericom PCIe Bridge, Silicon Image 3124 RAID controller, two SandForce 1200 series controllers and 60GB of 34nm MLC Intel Flash. Flipping the card over we find that the main components on the back of the RevoDrive are a further 60GB of Intel flash, split into 4 rows of 4 chips. Also worth noting are the LEDs at the top left of the PCB, these inform us of the unit status, including whether there is a fault found and interestingly there is space for two additional controllers, possibly indicating that future RevoDrive’s may use 4 SandForce chips.

When formatted the drive has 111GB available in Windows and in terms of performance OCZ list read/write of 540/480MB/s and sustained write of 400MB/s. Part of this is down to the fact that we essentially have two SandForce based 60GB SSDs in RAID 0 but in addition to this is the impressive ratio of read to write is because of DuraClass Technology which is present on the SandForce 1200 controllers. For the 1200 Series there is no data cache to slow down operation of the drive, instead the controller utilizes data compression techniques and algorithms to reduce the amount of data which is written to the drive. For data that does need to be written efficient Page Management algorithms ensure maximum write performance.

OCZ list the mean time between failure as 2 million hours, shock resistance at 1500g and 4KB aligned IOPS at 75k. Trim is not supported on the RevoDrive Series due to a limitation of the Silicon Image chip which does not pass the commands through to the SandForce controllers.

OCZ offer a 3-year warranty on the RevoDrive and also offer 50, 80, 180, 240, 360 and 480GB variants.

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About Author

Stuart Davidson

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