OCZ's Vertex 3.20 240GB is a bit of a mixed bag at this time. While you can still find them, I would choose an original Vertex 3 over the .20 option. The original ships with a better accessory package and performs better. If you can get OCZ firmware 2.25 on a drive then is even better. Vertex 3.20 ships with firmware 2.30 and we can tell it's based on LSI's 5-Series firmware so it's a bit slower.
Vertex 3.20 is a bit slower than the original as well in the flash department. The 240GB version isn't really that much different, a couple percent here and there compared to the 25nm model. I don't think anyone will really notice a big difference running real-world tasks even with two identical systems side by side. In a couple of days we'll have a look at the 120GB model and the same can't be said for that capacity size.
At the time of writing Vertex 3.20 still has its 'new' product price at Newegg. Other SandForce based drives like Vertex 3, Chronos DX and so on have come down from their introductory price. With Vertex 3.20 240GB costing over $200 and a handful of faster 25nm drives hanging between $170 to $185, there isn't really a reason to consider Vertex 3.20 at this stage. As it normally does, the introductory price will dissolve and then we will see the true Newegg price of this drive. In order to recommend the Vertex 3.20 240GB, the price is going to have to come down below $170, we would be happy at $150, but given the cost of flash, we're not even sure if that's possible.
Over time 25nm NAND will disappear. OCZ still needs 25nm for Vector production so it makes sense they moved Vertex 3.20 over to 20nm. Over time others will follow and move their existing products to 20nm.
Right now Vertex 3.20 isn't the best mainstream drive on the market, other SandForce based drives with 25nm are simply hard to beat. Once 25nm drive stock is sold and everyone is on 20nm, we'll take another look at Vertex 3.20, and see how it fits in. June or July would be a good time to take another look and see how the market sits at that time. OCZ is always on the cutting edge, but this time for them the edge was facing the wrong direction.
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