NZXT Guardian 921 No Power Crafted Series Mid Tower Steel Chassis (Black) Spacious Interior and Solid Construction: Built from solid Three temperature probe monitoring system allows the user to constantly gauge thermals Multimedia and peripheral inputs: E-SATA, Intel HD audio, mic, and two USB inputs Silent Cooling: Comes standard with 3 120mm fans installed to maximize cooling performance with minimal noise NZXT Crafted Series Design: NZXT's latest addition to the Crafted Series takes cues