The XTD XL-Vent top panel provides increased ventilation for the LZ7 XTD, with a completely perforated surface made up of specially spaced slots that can be used for mounting a variety of hardware such as extra case fans or AIOs. The XL-Vent panel slots are compatible with 80mm, 92mm, 120mm and 140mm fan hole spacings. Ideal for mounting multiple 80mm/92mm fans, or 1x 120mm/140mm extra case fan for increased system airflow. Alternatively a 120mm AIO or compact 140mm AIO can be mounted to this panel above the motherboard, there is a total of 175mm x 145mm of clearance to work with as follows: This panel is available in matte black, matte grey, matte white, clear gloss window or smoked gloss (tinted) window.