OCZ Agility 4 256GB Solid State Drive Review

Agility 4 Overview
The Agility 4 solid state drive looks much like any other 2.5-inch solid state drive from OCZ.  On the front there is a sticker that lets you know it is the Agility 4 drive and that it is Indilinx infused.

OCZ Agility 4 256GB Solid State Drive OCZ Agility 4 256GB Solid State Drive

On the back of the drive there is another sticker with all of the part numbers and serial numbers for the drive.  Also you will notice a large “void if removed” sticker over one of the screws.  There are 4 mounting holes on the bottom of the drive.  There are also 4 mounting holes on each side of the drive.

OCZ Agility 4 256GB Solid State Drive OCZ Agility 4 256GB Solid State Drive

Just like all SATA drives you have both SATA power and SATA data connections on the drive.

OCZ Agility 4 256GB Solid State Drive

Getting inside the drive is very easy, you just remove the 4 small screws and take the back off the drive.  Keep in mind by doing this you are voiding your warranty.  Once removed you can see that OCZ uses a thermal sticker to keep the Everest 2 controller nice and cool.  Taking a closer look at the PCB we can see the Indilinx Everest 2 controller in the center with eight OCZ labeled NAND chips surrounding it.  There is also a 256MB Hynix cache chip present.

OCZ Agility 4 256GB Solid State Drive OCZ Agility 4 256GB Solid State Drive OCZ Agility 4 256GB Solid State Drive OCZ Agility 4 256GB Solid State Drive

You can actually take the entire PCB out of the casing by removing 4 more screws.  Once out we can flip it over the reveal eight more OCZ labeled NAND chips and another Hynix 256MB cache chip.  This gives you a total of 16 NAND chips and 2 cache chips.  The 16 NAND chips are 16GB each and are asynchronous NAND.  Both Hynix cache chips give you a total of 512MB of cache unlike the Vertex 4, which had 1GB.

OCZ Agility 4 256GB Solid State Drive OCZ Agility 4 256GB Solid State Drive

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