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Model Number: ST95005620AS (500GB), ST93205620AS (320GB), ST92505610AS (250GB)
Solid State Memory, SLC NAND (GB): 4

Old one.
 
Ok so that's the old, do you think a local bestbuy would have the new ones in stock? Or did they just start rolling out?
 
It only got announced last week. Usually takes a couple of weeks to become available to the big online sellers and then in limited quantities. Distributors and bricks and mortar stores will take a couple weeks more.

NewEgg is probably the best bet in the US.
 
Model Number: ST95005620AS (500GB), ST93205620AS (320GB), ST92505610AS (250GB)
Solid State Memory, SLC NAND (GB): 4

Old one.

whats the difference between old 500GB and new 500GB? they both only have 4GB NAND....only 750GB has 8GB NAND...
 
I just installed that drive in my mid 2009 MBP and am very happy so far.

My boot time is at 15 seconds and as it learns my applications, they open fast as well.

In fact, I bought mine from Amazon also.
 
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