Introducing the Zalman CNPS6000-cu and the CNPS3100-Plus also known as the "flower" heatsinks. CNPS stands for: "Computer Noise Prevention System". So this is suppose to mean these are "quiet" cpu coolers. Along with that interesting "flower" look the other thing that sets these apart from other heatsinks is the fact the fan is not directly attached to the heatsinks, included with each is a bracket which you bolt to the case and the fan attaches to that. So the fan still sits directly over the heatsinks. And the fan is the largest I know that any other heatsink has, a 92mm King Kong fan! *both heatsinks supplied to us by Zalman

CNPS6000cu~

• 1) FHS : ZM6558BC-Cu
• 2) NP FAN & Bracket : FB123
• 3) Thermal Grease
• 4) Screw bolts (Inch-sized/mm-sized bolts)
• 5) Clip
• 6) One Adjustable Fan Speed Connector (FAN MATE 1)
• 7) Heatsink Installation Tool (Clip Mate)

• 1) FHS (Flower Heatsink) : ZM6548BC-Cu
• 2) NP FAN & Bracket : FB123
• 3) Thermal Grease
• 4) Screw bolts (Inch-sized/mm-sized bolts)
• 5) Clip
• 6) One Noiseless Connector (RC56)
• 7) Heatsink Installation Tool (Clip Mate)

Link to full 3100-Plus specs