A server enclosure includes an enclosure body, a connecting member, and a loading member. The enclosure body includes a bottom wall and two sidewalls extending from the bottom wall. The two sidewalls is substantially parallel to each other. The connecting member includes a top panel and two resisting panels extending from the top panel. The top panel is substantially parallel to the bottom wall. The loading member includes a bottom panel substantially parallel to the top panel and two connecting panels extending from the bottom panel. A cross section of the loading member, taken along a plane parallel to the sidewall, is U-shaped. The bottom panel is secured on the top panel. The loading member is secured between the two sidewalls.