Fastening device for data storage device

A fastening device for fastening a data storage device, the fastening device comprising:

• a rack comprising a bottom plate to support the data storage device and two stop tabs protruding up from the bottom plate to abut against a first sidewall of the data storage device, two first pins respectively extending from the stop tabs to engage in two holes defined in the first sidewall of the data storage device;
• and
• a fastening member comprising a main body attached to the bottom plate to abut against a second sidewall of the data storage device, and a resilient portion extending from the main body, a second pin protruding from the resilient portion to engage in a locking hole defined in the second sidewall of the data storage device;
• wherein the main body comprises a sidewall facing the stop tabs and a bottom wall perpendicular to the sidewall, an abutting portion perpendicularly extends from the sidewall to abut against the second sidewall of the data storage device, the bottom wall defines a through slot parallel to the sidewall, a positioning tab protrudes from the bottom plate, the positioning tab comprises a first positioning portion extending up from the bottom plate to extend through the through slot from a bottom of the bottom wall, and a second positioning portion extending from a top of the first positioning portion to abut against a top of the bottom wall.