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Seagate E248779 JMS577-4L  2.5" Portable HDD USB 3.0 Controller Board.

" 790C53C40A0F2" label were printed on the PCP or board.

This controller board can work with SSD to run at 380MB/s with no issue.

This USB 3.0 controller board was pulled from a brand new Seagate Expansion Slim 2TB USB 3.0 Portable Hard Drive .