Sophisticated and cutting edge the p280 emphasizes the ease of use quiet technology and unparalleled performance characteristic of antecrsquos performance one series this advanced enclosure comes equipped with features that will maximize your pc experience from quiet computingtrade panels amp hdd drive bays to grommet lined cable routing holes with ample space behind the motherboard tray the p280 accommodates motherboards up to xl atx and includes nine expansion slots to support up to four