Zalman CNPS9900 MAX & CNPS5X CPU Coolers

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Zalman CNPS9900 MAX & CNPS5X CPU Coolers

February 27, 2011 by Lawrence Lee

Product
CNPS9900 MAX
CPU Cooler
CNPS5X SZ
CPU Cooler
Manufacturer
Zalman
Street Price
US$65~$70 US$25~$30

Today we look at a pair of Zalman CPU heatsinks, the CNPS9900 MAX, and the CNPS5X SZ. The CNPS9900 MAX is a large expensive performance cooler with a 140 mm fan and a legacy to live up to. It is the latest model to feature a variant of the radial heatsink design that brought Zalman to prominence so many years ago. The smaller CNPS5X arrives with very little fanfare. It's an affordable light weight heatsink with a simple design lacking in both girth and style.

Zalman CNPS9900 MAX


CNPS9900 MAX package contents.

Zalman has gone through countless iterations of side-blowing radial style coolers, and the CNPS9900 MAX is the latest. We had thought the iconic flower heatsink design was abandoned after the release of the much more conventional CNPS10X tower series of coolers. The MAX is almost unchanged from the CNPS9900 LED except for nickel-plating. Zalman is counting on a larger fan and a revised mounting system to bring better fortune. The question is whether this is enough to make the MAX competitive — the CNPS9900 design is over two years old.

Zalman CNPS9900 MAX: Key Features
(from the product web page)
Feature & Brief
Our Comment
Powerful Cooling Performance [Qmax: 300W]
Optimally designed pure copper fins effectively disperse heat away from the CPU via composite heatpipes, while the high capacity 135mm fan quickly cools the heatsink for stable operation of high performance CPUs.
An exaggeration perhaps?
Ultra Quiet 135mm Blue/Red LED Fan
An ultra quiet 135mm fan is incorporated for minimized noise. The Blue / Red LEDs heighten the cool aesthetics.
The larger fan is the main difference between the MAX and the LED version of the CNPS9900. Our sample only had red LEDs though...
Black-Pearl Nickel Plating
The entire copper heatsink of CNPS9900 MAX is ‘Black-Pearl’ Nickel Plated for long-term corrosion resistance, while the deep
‘Black-Pearl’ tone along with the high intensity Blue / Red LEDs reinforce its powerful aesthetics.
Nickel-plating is a standard feature on most high-end coolers.
PWM Fan Speed Control
The PWM (Pulse Width Modulation) Fan automatically adjusts fan speed (RPM) according to the CPU’s temperature, while the included Resistor Cable (RC7P) provides the option of reducing the input voltage for overall reduction of fan speed and noise.
A fan adapter with an inline resistor is included for slowing down the speed.
High Performance Super Thermal Grease ZM-STG2
The included all new high performance thermal grease ZM-STG2 maximizes heat transfer from the CPU to the base of CNPS9900 MAX for intensified cooling performance.
Included with all of Zalman's latest heatsinks.

Zalman CNPS9900 MAX: Specifications
(from the product web page)
Dimensions 94(L) x 131(W) x 152(H)mm
Weight 755g
Materials Pure Copper/Black-Pearl Nickel Plated
Dissipation Area 5,402cm2
Fan Bearing Long life bearing
Fan RPM RC7P Connected: 900 ~ 1,500 rpm ± 10%
RC7P Not Connected: 900 ~ 1,700 rpm ± 10%
Noise RC7P Connected: 18 ~ 27 dBA ± 10%
RC7P Not Connected: 18 ~ 30 dBA ± 10%
Compatible CPUs
Intel Sockets LGA775, LGA1155, LGA1156, LGA1366 (supports all speeds)
AMD Sockets AM2, AM2+, AM3 (supports all speeds)

Zalman CNPS5X SZ


CNPS5X package contents.

The CNPS5X SZ is in an entirely different category, costing just half as much as the CNPS9900 MAX. A mid-range budget tower heatsink, the CNPS5X has just three heatpipes and a 92 mm fan. According to Zalman, the 5X stands just 134 mm tall and weighs only 320 grams, making it one of the lightest aftermarket coolers. It has a lanky appearance that resembles a vertical version of the CNPS8000.

Zalman CNPS5X SZ: Key Features
(from the product web page)
Feature & Brief
Our Comment
Powerful Cooling Performance
Three heatpipes and aluminum fins are designed for maximum cooling while cooler setup quickly expels hot air out of the case.
Better than weak cooling performance.
Ultra Quiet 92mm Hydraulic Bearing Fan
An ultra quiet 92mm fan with EBR bearing is incorporated for minimized noise and excellent cooling.
The CNPS5X is different from the US-only SZ in that the former uses a different type of bearing for the fan.
PWM Fan Control
The PWM (Pulse Width Modulation) Fan automatically adjusts fan speed (RPM) according to the CPU’s temperature.
Standard.
Easy Installation
The cooler is designed with tool-less installation clip, making installation convenient.
The fewer parts we need to mess around with, the better.
High Performance Super Thermal Grease ZM-STG2M
The included all new high performance thermal grease
ZM-STG2M maximizes heat transfer from the CPU to the base of CNPS5X for intensified cooling performance.
Included with all of Zalman's latest heatsinks.

Zalman CNPS5X SZ: Specifications
(from the product web page)
Dimensions 127(L) x 64(W) x 134(H)mm
Weight 320g
Materials Pure Copper, Aluminum
Fan RPM 1,400 ~ 2,800rpm ± 10%
Noise 20 ~ 32dBA ± 15%
Fan Bearing
Hydraulic Bearing
Input Voltage 12V
Function PWM Control, Auto Restart
Compatible CPUs
Intel Sockets LGA775, LGA1155, LGA1156 (supports all speeds)
AMD Sockets 754, 939, 940, AM2, AM2+, AM3 (supports all speeds)


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