The Geeek TB03 is a test bench that can be used as an inexpensive open pc case. It supports fanless CPU coolers including the NoFan CR-95C (with thin mini itx motherboards). The test bench measures 8.7×7.9 inches. It is compatible with Mini ITX motherboards and onboard solid state drives. There are 2 PCIe poles for expansion cards. Included is a power on/off button, two USB 3.0 ports, and an audio in and audio out jack. It is compatible with external power supplies.