The P100 is an ATX case that epitomizes cool, quiet, and sophistication. It features Antec’s award winning the Performance One series design and Quiet Computing™ technologies that minimize system noise. In addition to 7 expansion slots, the P100 also supports 2 tool-less 5.25” drives and 7 tool-less 3.5”/ 2.5” drives. With a great price to feature ratio the P100 is the only economical case that delivers first class silence performance. A balance of price and feature is achieved by integrating Antec design with superior build quality. Engineered with Quiet Computing™ Technology, the P100 is truly in a class all its own. Features: - Compatible with up to 3-way NVIDIA® SLI® / AMD CrossFireX™. - Complete dual layer design: steel and foam panels deaden noise. - Grommet-lined cable routing holes with 20 mm of space behind the motherboard tray. - 2 front panel USB 3.0 port. - 7 quiet 3.5" / 2.5" drive bays utilize trays with preinstalled silicone grommets. - 2 tool-less 5.25" drive bays. - Advanced cooling design with top fan mounts spaced for 240mm radiators. - Includes two silent 120mm fans with fluid dynamic bearings. - PSU intake & front air filters. - Advanced cooling system: includes 2 fans and 3 additional fan mounts. - Sleek front bezel with doublehinged door: opens up to 270.