Tripp-Lite PCE-U2-PX4 Guia De Inicio Rapido página 5

Installation
Installing an HDD/SSD Drive
1. Insert a 2.5" HDD/SSD drive (sold separately) into the 2.5"
SATA HDD/SSD adapter. Secure the drive into place using
the provided SSD screws.
Note: The connector on the U.2 SSD is keyed so the drive will fit
only one way.
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