Zalman CNPS9500 AT Ultra Quiet Copper CPU Cooler for Intel LGA 775

CNPS9500 AT
Compatible CPUs and Motherboards
Socket CPU Silent Mode
(1,350~1,800rpm) Low-noise Mode
(1,800~2,600rpm) Compatible Motherboard
Intel 775 Pentium 4 Prescott Supports all speeds Supports all speeds
Celeron D
Pentium D
Pentium EE
Pentium 4 EE

Specifications
Base Material Pure Copper
Weight(g) 530
Thermal Resistance(°C/W) 0.12 ~ 0.16
Dimensions(mm) 85(L) X 112(W) X 125(H)
Dissipation Area (cm2) 3,698
Bearing Type Dual Ball Bearing
Rotation Speed
1,300RPM ± 30% ~ 2,650RPM ± 10 %
Noise Level 18.0dB ± 10% ~ 27.5dB ± 10%
Input Voltage 12V
Main Function PWM Control Function and Auto Restart Function

1. Compatible with Intel’s Dual Core Pentium, Pentium4, and Celeron D for Socket 775.
2. Low-noise 92mm PWM Control fan for automatic control of the fan’s RPM according to CPU
temperature.
3. Optimized heatsink layout composed of pure copper for maximum heatsink efficiency.
4. Innovative, patented, and curved heatpipe design for a heat transfer capacity of up to six heatpipes
with just three.
5. 0.2mm ultra-slim fins for minimized weight and reduced airflow resistance.
6. Maintains minimum RPM even when Duty signal supplied by M/B is below 30%.
7. Operates in silence by preventing extreme RPM during initial booting.

Common Components
1) CNPS9500 AT
2) Thermal Grease
3) Clip (S-Type)
4) Four Bolts (for installing cooler)
5) User’s Manual
Components for Intel Dual Core Pentium
/ Pentium 4 (Socket 775)
6) Four Clip Support Fixing Bolts for Socket 775
7) One Clip Support for Socket 775
8) One Back Plate for Socket 775

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

1. Korean Patent Application No. 05-45737
2. Korean Design Applications No. 05-15303, 15304, 15306, 15307, 17970, 17971
3. Patent Applications pending in over 20 nations around the world including USA, EU, and Japan

1. Maximum weight specified for a cooler is 450g for Intel Socket 775. Special care and attention must be taken when moving a computer equipped with a cooler exceeding the specified weight limit. Zalman Tech Co., Ltd. Is not responsible for any damage that occurs when moving a computer.
2. If excessive force is exerted on the fan, it may result in malfunction or damage to the product and/or the computer.
3. Avoid inserting any objects into the fan while operating.
4. Check the components list and condition of the product before installation. If any problem is found, contact the place of purchase to obtain a replacement/refund.
5. Zalman Tech Co., Ltd. is not responsible for any damages arising from using the product outside of its intended purpose.
6. CPU and motherboard are subject to damage if the product is incorrectly installed. Familiarize yourself with the “installation” steps before installing the product.