Next time you plug in a cheap, fast USB 3.0 drive, thank the little chip inside. It’s working hard so you can play hard.

handle much higher data rates than older USB 2.0 chips, which naturally generates more heat. Warm to the touch during a large 10GB file transfer.

Use the specialized firmware to re-flash the chip, which can stabilize the controller and resolve the "hot" state.

The PS2251-07 controller can work with various NAND flash types from different manufacturers, including Toshiba, KIOXIA (formerly Toshiba), Hynix, and Intel. Flash ID codes like 98DE98927250 (KIOXIA TLC-16K) or 983AA892 (Toshiba TLC-8K) are commonly observed. In some cases, mismatches between controller firmware and flash memory can cause excessive power draw and heat generation during read/write operations.

The USB drive connects and disconnects repeatedly. 3. How to Fix Phison PS2251-07 Overheating/Failing

After improper flashing or during heavy load, the drive may experience severe lag (taking minutes for simple operations) or extreme overheating.

Are you trying to or just fix the drive to use it again? Can you provide the Chip Genius report for the drive?