SanDisk Extreme PRO SSD
In order to get the first shot at testing the Extreme PRO, we received all three-capacity sizes in bare drive form. The retail package does include a 7mm to 9.5mm adapter bracket.
The Extreme PRO styling dates back to the original Extreme SSD. The label on the back of the drive gives us the model number, capacity size and serial number.
Inside, we found a Marvell 88SS9187 controller, the same used on the Extreme II. SanDisk increased the clock speed over the Extreme II but wasn't able to disclose either product's clock speeds due to Marvell's disclosure limitations.
You may notice the black material around the controller and DRAM. This is epoxy, and we rarely see it on consumer SSDs. We do see epoxy used on nearly every military SSD that has passed through our office or our lens at trade shows. Most users will never know, but this is just another example of what went in to fortifying the Extreme PRO for a guaranteed 10-year lifespan.
Today, we're focusing on the 960GB model, but it's not the fastest Extreme PRO product. SanDisk used the same 1024Mb DDR3-1600 DRAM buffer on the 960GB that it did the 480GB.
The Extreme PRO SSDs all have eight NAND flash packages, so that means SanDisk packed a lot of flash in each package on the 960GB model.
All of the surface mount components are on one side of the PCB, and here we can see that SanDisk took steps to cool the critical components. By using the case as a heat sink, the controller, DRAM, and flash all pass heat through a thermal interface material to the case. This increases the drive's lifespan and makes for a happier drive in extreme conditions.
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