Deepcool added a variation model "MATREXX 55 MESH PWM 2F" of the E-ATX-compatible middle tower PC case "MATREXX 55".
The airflow has been improved by changing the material of the front panel from tempered glass to mesh. In addition, a standard 120mm x 1 rear 120mm x 1 PWM fan is installed as standard, so efficient airflow can be expected without purchasing a separate fan.
Drive bay is 3.5 inch shadow bay x 2, 2.5 inch shadow bay x 4, expansion slot is 7 tiers, cooling fan is 140/120 mm x 3 front, 140/120 mm x 2, top 120 mm x 1, radiator is 280/360 mm front, 240 / top is 240 / 280mm, rear supports up to 120mm. I / O ports are USB3.0x1, USB2.0x2, audio terminal x1, microphone terminal x1. The external dimensions are 210mm in width, 440mm in depth, 480mm in height, and 6.6kg in weight. Supported form factors are E-ATX, ATX, MicroATX, Mini-ITX. The effective space is 370mm in total length for a graphics card, 168mm in height for a CPU cooler, and 170mm in depth for a power supply unit.
You can expect price in the 60 USD range.