OCZ's Gladiator Max heatsink is an extension of the Vendetta 2 model, except that it now utilizes four large diameter copper heatpipes and a somewhat different aluminum fin geometry. As with other heatsinks from this series, the copper heatpipes make direct contact with the top of the processor - an approach called Heatpipe Direct Touch. In this case it's also a dead giveaway that the Gladiator Max is basically a modified version of Xigmatek's
HDT-S1284EE heatsink.
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Source: Frostytech