Opening the CloudSpeed SSDs is a snap, with 4 easily accessible screws. The top plate is recessed in the aluminum housing. Removing it exposes the top side of the PCB.
When we looked at the specifications for the 1000 and 1000E, we assumed that the only difference between the two was firmware, and more specifically, overprovisioning. That hunch was proven correct after we got both units open. Both models, other than labeling, appear identical from the NAND down to the controller and DRAM.
Up top, we have the brains of the operation, the Marvel 88SS9187. We have come to know the 9187 quite well over the past year, as it was used in the Sandisk Extreme II and Crucial M500, along with numerous other drives.
Next to the Marvell controller, we have 512MB of DDR3 DRAM from Micron, spread across two packages.
Both the 480GB CloudSpeed 1000 and the 400GB 1000E contain sixteen 32GB Toshiba TH58TEG8DDJBA8C NAND packages. The same 19nm MLC NAND is used in the Seagate 600. The 1000 incorporates the typical 6% overprovisioning, while the 1000E bumps it up to 22%. The added overprovisioning in the 1000E is what gives it a boost in random write performance along with extended endurance. When the controller has that much additional NAND, it is able to better manage garbage collection and wear leveling.
The only surprise came when we found a pink thermal pad on the backside of the PCB under the controller. Normally, you see a thermal conductor between the top of a package and the sink. In this case, they are pulling the heat through the PCB before making contact with the thermal pad and case.
Finally, you can see the bank of capacitors that SMART uses for power loss protection, so that any data in the write cache is committed to NAND when power is lost.