Figure 2. Internal Scorpion 40 Drive With Drive Rails For Mounting In 5.25-Inch Drive Bay - Seagate STD2401LW-S Product Manual

4
A 3.5-inch, half-height DDS-4 drive that mounts internally–model STD1401LW
(see Figure 1).
Figure 1. 3.5-Inch Internal Scorpion 40
A 5.25-inch, half-height DDS-4 drive that consists of a 3.5-inch drive with 5.25-
inch mounting rails and bezel that mounts internally in a 5.25-inch, half-height
space–model STD2401LW (see Figure 2).

Figure 2. Internal Scorpion 40 Drive with drive rails for mounting in 5.25-inch drive bay

A complete external subsystem that contains the 3.5-inch DDS-4 drive and built-
in worldwide power supply–model STD6401LW (See Figure 3).
Scorpion 40 DDS-4 Product Manual, Version A