Zerotherm Zen FZ120 CPU Cooler

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June 22, 2008 by Lawrence Lee

Product	ZEROtherm Zen FZ120 LGA775 & K8 CPU Cooler
Manufacturer	ZEROtherm
Street Price	~$50 USD

Zerotherm is branded in our minds as the ones responsible for the BTF80 and BTF90 CPU coolers... it's hard to forget heatsinks shaped like Butterflies. Fortunately, they turned out to be good performers, and we hope their newest product follows suit. The Zen FZ120 is a more or less conventional tower heatsink — it has four heatpipes, tightly packed fins, and a 120mm PWM fan attached via wire clips. However, it does sport a few curves and contours reminiscent of the BTF80/BTF90.

The box with Intel stock cooler provided for scale.

More often than we like, heatsinks ship with large, unwieldy boxes and a dreaded plastic blisterpack inside. The Zen however ships in a relatively eco-friendly compact box without extraneous packaging. It also lacks gaudy artwork on the outside, presenting itself with very little fanfare. Inside you will find the heatsink itself, a transparent 120mm fan, a common AMD mounting clip, a LGA775 mounting frame and backplate, fan clips, fan isolation rubber strips, a tube of thermal grease and instruction guide.

Accessories.

Zerotherm Zen FZ120: Key Features (from the product web page)
Feature & Brief	Our Comment
Best Performance among 120mm air cooling CPU coolers	To be determined...
Effective 8-line Heat pipe effect	The Zen's four U-shaped heatpipes act as eight.
Honeycomb structure for optimized air flow.	The fins at the center of the Zen are out of alignment with the rest of the heatsink, creating an overlapping honeycomb arrangement.
120mm fan for max. air-flow	Standard for modern heatsinks.
PWM (Automatic Fan Control)	A welcome addition. More fans should have the PWM feature.
Silence Innovations Min. 19 .5 dBA at 1,100 rpm Max. 31.4 dBA at 1,800 rpm	As always, specified noise levels must be taken with a grain of salt.
Support latest Intel & AMD CPUs	As it should.

Zerotherm Zen FZ120: Specifications (from the product web page)
Dimensions	126 X 61 X 156 mm (4.96 X 2.40 X 6.14 inch)
Weight	670g (Without Clip Components)
Matreials	Fin - Aluminum
	Base - Copper
	Heat Pipe - Copper
Heat Dissipation Area	6,827 cm² (1,058 inch²)
Cooling Capacity	Over 150W
Fan Size	120 X 25 mm (4.72 X 0.98 inch)
Fans Speed	1,100 ~ 1,800 rpm (± 10%)
Acoustic Noise	Min. 19.5 ~ Max. 31.4 dBA (± 10%)
Connector	4 Pin, PWM
Operating Voltage	5.0 ~ 13.8 VDC
Airflow Rate	59.48 CFM

Zerotherm Zen FZ120: Compatibility (from the product web page)
BRAND	CLASS	SOCKET	MODEL
Intel	CoreTM2 Extreme	Socket-T (LGA775)	Support All Speeds (Models)
	CoreTM2 Quad
	CoreTM2 Duo
	Pentium D
	Pentium 4
AMD	Phenom X3 / X4	Socket 939 / 940 / AM2	Support All Speeds (Models)
	Athlon64 FX X2 / BE
	Athlon64
	Sempron
	Opteron
Incompatibility List
Intel	Socket 478, 771, 603, 604
AMD	Socket 754, Socket F or Socket A

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