OCZ Vertex 4 128GB SATA III 2.5" SSD Review

Storage/SSD by stefan @ 2012-10-15

The Vertex 4 SSD from OCZ no longer uses a SandForce processor, but an Indilinx Everest 2 one, meaning that we do not longer have a lot of space used for over-provisioning and we should not have performance drops when using incompressible data. OCZ have also fine-tuned the firmware so performance delivery is different after the drive has been filled over 50% of it's total storage capacity.

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A Closer Look Contd.

On the metallic bottom, we'll find some more SSD identification numbers:




By removing the 4 bottom screws, we'll be able to expose the internals:




In the center, we will find the Indilinx Everest 2 controller, with the IDX400M00-BC part number, which offers Auto-Encryption, a SATA 3.0 6Gb/s interface, AES-256 Support and Ndurance 2.0 Technology, for reduced write amplification , support for Rendundant NAND Array (RNA) and Multi-Level ECC adaptive NAND management. The rated SSD speeds are lower in some cases than the Sandforce model, but they should not suffer this time from compression-related performance drops:




The bottom side of the SSD acts as a heatsink for the controller, with a thermal pad placed in the center:




The same side also reveals eight Intel 25nm synchronous MLC NAND chips:




These are coupled with 512MB of DDR3 1333 from Micron:




On the back side, we will find a similar configuration, with an extra of eight Intel MLC NAND chips, making a total of 16 and a secondary 512MB of DDR3 RAM, for a total of 1GB:





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