Thermalright introduced the TY-121BP FDB, a 120 mm case fan optimized for circulation applications. Built in a standard 25 mm-thick 120 mm format with rubberized frame mounts. The package includes rubber bolts in addition to metal screws. The fan features a long life (>40,000-hours rated) fluid-dynamic bearing. Taking in 4-pin (PWM) input, it spins between 600 - 1,800 RPM pushing 25.76 CFM of air at its lowest speed, and 77.28 CFM at top speed. The noise output proportionately ranges between 19 to 25 dBA. The fan is currently selling in single-piece packages priced at $20, multi-fan packs are also in the works.