Rosewill RX251-US - Manual (Page 10)

Dual INTERNAL (SATA)/EXTERNAL (USB) 2.5" SATA HDD Enclosure RX251-US User Manual
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Slide the 2.5” enclosure to the 3.5”
insertion bay to the end till the ejection
button is up. Now you can freely access
the hard drive.
When you want to take the enclosure
out, please press the ejection button,
the enclosure will be out.