Zalman CNPS8900 Extreme CPU Cooler Review

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Installing the Zalman CNPS8900 Extreme

Zalman CNPS8900 Extreme

The first step is to prepare the backplate for the cooler. The threaded nuts simple set inside the proper holes for your socket on the backplate.

Zalman CNPS8900 Extreme

Next you slide on the plastic cover until it snaps over the threaded nut. This holds the threaded nut securely in place for cooler installation.

Zalman CNPS8900 Extreme

Once the plastic retainer is snapped into place you’ll have what you see above.

Zalman CNPS8900 Extreme

Once you’ve got all 4 threaded nuts and plastic clips installed you’ll have something that looks like this.

Zalman CNPS8900 Extreme

The final step is to mount the appropriate brackets to the cooler itself. This is accomplished with the 4 included screws.

Zalman CNPS8900 Extreme

One thing to note here is that the mounting plates have a fair amount of play. If you just go and tighten all 4 screws you may find that the holes do not line up properly with the threaded inserts. I found that if you hold one bracket all the way towards the cooler and the other all the way away from it it’ll line up fairly well.

Zalman CNPS8900 Extreme

One major design issue with this cooler is accessing the 4 mounting screws. As you can see your screwdriver will need to be at quite the angle to contact the screw. It was somewhat difficult installing it into the massive NZXT Switch 810 so I’d imagine that any smaller cases would be close to impossible with the motherboard installed.

Zalman CNPS8900 Extreme

You can see here that the cooler is very low profile and doesn’t come into contact with anything on this standard ATX motherboard.

Zalman CNPS8900 Extreme

One thing to be aware of is that the edges of the cooler may prohibit use of a RAM slot. You can clearly see here that the cooler is covering the very first slot on this board. Luckily this board recommends installing 2 DIMMs into slots B and D rather than A and C. Running 4 sticks with this cooler however is out of the question without some low-profile sticks.

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