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LOSTCIRCUITS	SHORTCUTS: Top Page Specs Accessories, Test Configuration Results and Conclusion Zalman Coolers Online Take it to the Forums
Zalman CNPS7000-AlCu Bimetal Rulez
(Review by MS, April 24, 2003)

Specifications

The CNPS AlCu uses an aluminum-copper hybrid design with the advantage of less weight but also marginally (and the emphasis is on the word marginally here) lower cooling performance, at least, that is how the specs could be interpreted. Keep in mind, though, that thermal resistance is not everything when it comes to cooling. The all-copper version goes by the name CNPS7000-Cu, the hybrid design by CNPS7000-AlCu.

A real picture of the CNPS7000-AlCu, note that 19 of the total of 65 double-sided fins are made of copper, flanked by 23 aluminum hemi-fins on each side.

FHS Specifications (numbers for CNPS7000-Cu in parentheses)
Dimensions (mm) 109(L) x 109(W) x 62(H)

Dissipation Area (cm2) 3170

Base Material Aluminum / Copper (pure copper)

Weight (g) * 445 (773)

Thermal Resistance(Deg.C/W) Silent Mode 0.29 (0.27) Normal Mode 0.22 (0.20)

* 450g is the specified maximum weight for an Intel Pentium 4 cooler. Keep in mind the higher weight of the all-copper cooler which is 773g and can break a mainboard if subjected to physical shock.
FAN

Fan Silent Mode Normal Mode

Rot. Speed 1350 RPM +/-10% 2400 RPM +/-10%

Noise Level (dB) 20.0 25.0

Bearing Type 2-Ball

FAN RPM Controller

FAN MATE 1 Specifications

Dimensions (mm) 200 (L) X 21(H) X 23 (W)

Weight (g) 20

Output Voltage 5 ~ 11 V +-2%

Allowable Wattage 6W or lower

CPU Compatibility

INTEL Pentium 4 (Socket 478) Core Type Willamette (0.18 micron) Northwood (0.13 micron)
Silent Mode
Normal Mode 2.0GHz Up to 3.06Hz or higher
AMD Athlon 64 (Socket 754)

Silent Mode
Normal Mode 2.0GHz and higher

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FHS Specifications (numbers for CNPS7000-Cu in parentheses)
Dimensions (mm)	109(L) x 109(W) x 62(H)
Dissipation Area (cm2)	3170
Base Material	Aluminum / Copper (pure copper)
Weight (g)	* 445 (773)
Thermal Resistance(Deg.C/W)	Silent Mode 0.29 (0.27)	Normal Mode 0.22 (0.20)
* 450g is the specified maximum weight for an Intel Pentium 4 cooler. Keep in mind the higher weight of the all-copper cooler which is 773g and can break a mainboard if subjected to physical shock.
FAN
Fan	Silent Mode	Normal Mode
Rot. Speed	1350 RPM +/-10%	2400 RPM +/-10%
Noise Level (dB)	20.0	25.0
Bearing Type	2-Ball
FAN RPM Controller
FAN MATE 1	Specifications
Dimensions (mm)	200 (L) X 21(H) X 23 (W)
Weight (g)	20
Output Voltage	5 ~ 11 V +-2%
Allowable Wattage	6W or lower
CPU Compatibility
INTEL Pentium 4 (Socket 478) Core Type	Willamette (0.18 micron)	Northwood (0.13 micron)
Silent Mode Normal Mode	2.0GHz	Up to 3.06Hz or higher
AMD Athlon 64 (Socket 754)
Silent Mode Normal Mode	2.0GHz and higher

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