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Seagate E2806SGT-1806A-1T JMS577  2.5" Portable HDD USB 3.0 Controller 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 5TB (STEA5000402) USB 3.0 Portable Hard Drive .