In addition to releasing the REX8 models Sharkoon is also preparing the introduction of two more midi tower PC cases, the REX3 Value and REX3 Economy. These entry-level chassis' are as big as the REX8 models (485 x 185 x 420 mm), they weight 6.5 kg and have three 5.25-inch and four 3.5-inch drive bays, a mesh front panel, six USB ports (6 x USB 2.0 for the Economy, 2 x USB 3.0 and 4 x USB 2.0 for the Value), seven PCI slots, and three holes for watercooling tubes on the back panel. Both cases support graphics cards up to 29 cm long and CPU coolers up to 16 cm tall. The REX3 Value also comes with two 120 mm LED fans, one in front and one at the rear.

The REX3 Economy will be available in black and the REX3 Value will come in black and white (and with a side window).