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Let's take a look at what's powering this sideways storage slate:

SanDisk SDRQKBDC4 064G 64 GB NAND flash memory (x4 for a total of 256 GB).

Apple 338S00227 SSD power management

Texas Instruments CSD58879D MOSFET

F4432ACPE-GD-F likely Micron 512 MB DDR2 RAM

On a hunch, we hunted under this chip.

Success! A reflow revealed: Apple 338S00199 SSD controller

This marks the first time we've seen Apple's super-custom SSD controller in a removable PCIe SSD. Let's hope these suckers will be available for future upgrades!

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