ZM-OP1 is comprised of a 80mm slim fan and a fan grill. It can be attached without using a supporting bracket. By attaching the noiseless fan ZM-OP1, ZM80C-HP's cooling performance is greatly enhanced.

Dimensions 80(L) x 80(W) x 15(H) mm Weight 75g Bearing Type 2 Ball-Bearing Speed Silent Mode 1,400rpm ± 10 % Normal Mode 2,800rpm ± 10 % Noise Level Silent Mode 20.0dBA ± 10% Normal Mode 33.0dBA ± 10% MTBF 50,000 hrs. GrilI 80 mm Multi-Connector ZM-MC1 (3-Pin)

- Two (2) Nipples - 80mm Fan Grill - 80mm Slim Fan - Multi Connector 1 - Bolts

Zalman affixes a Computer Noise Prevention System (CNPS) mark to all components used for noiseless computers.

Fans requiring start-up voltage of higher than +5V cannot use Multi Connector 1's 5V connector. Check fan's specifications before use. Multi Connector 1 does not support fan speed measurement. The specifications of any product may change without prior notice to improve the performance thereof.