Black Steel Mid Tower
NZXT celebrates the rebirth of the Guardian 921 with the renewed Guardian 921 RB. Expanded upon its predecessor, Guardian 921 RB reflects the gamer design, structural integrity, and temperature monitoring system of the original while displaying a wide range of new features to complete the system builder's dream budget case. New features include a bottom oriented power supply mount, CPU heatsink cutout, and an extra 140mm fan slot. Game beyond your limits with Guardian 921 RB.