Features 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. Specifications Model P100 Case Type ATX Case Color(s) Black Drive Bays 9 Drive Bays: 2 x 5.25" tool-less drive bays 7 x 3.5" / 2.5" drive trays Motherboard Support Mini-ITX, microATX, Standard ATX Expansion Slots 7 expansion slots Maximum graphics card size: 12.5 (317.5 mm) Maximum CPU cooler height: 6.7" (170 mm) Cooling System 1 x 120 mm front intake fan 1 x 120 mm rear exhaust fan 2 x 120 / 140 mm top exhaust fan (optional) 1 x 120 / 140 mm front intake fans (optional) Water cooling support: rear water cooling grommets Enlarged CPU cutout Yes Front Ports 2 x USB 3.0 2 x USB 2.0 Audio In/Out PSU Mount: Standard ATX Dimensions Unit dimensions: 484 mm (H) x 220 mm (W) x 523 mm (D) 19" (H) x 8.7" (W) x 20.6" (D) UPC 0-761345-81100-2 model : ANTEC P100 w/brn bx ATX Computer Case tag : Computer Cases