Zalman ZM850-HP Plus 850-HPPLUS 850W

Overview

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Browse 5 expert reviews so far

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2
Good:

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Pros:

Dual heatpipe cooling system for silent operation, High efficiency throughout 20100% load, Tight voltage regulation at 12V and under 3% for 5V, Excellent 12V performance in Advanced Transient Response tests, Very good ripple/noise suppression at 12V and 3

Cons:

High price, 3.3V outside ATX spec during 2nd Advanced Transient Response test, 210 mm long, might not fight all cases, Mediocre efficiency at Moderate performance in TurnOn Transient tests, Lacks a second EPS connector, Power distribution not optimal

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Last revision on November 4, 2011

Reviewers Liked

Dual heatpipe cooling system for silent operation, High efficiency throughout 20100% load, Tight voltage regulation at 12V and under 3% for 5V, Excellent 12V performance in Advanced Transient Response tests, Very good ripple/noise suppression at 12V and 3

Reviewers Didn't Like

High price, 3.3V outside ATX spec during 2nd Advanced Transient Response test, 210 mm long, might not fight all cases, Mediocre efficiency at Moderate performance in TurnOn Transient tests, Lacks a second EPS connector, Power distribution not optimal

Expert reviews and ratings

The most significant feature of the ZM850-HP Plus is, without any doubt, its cooling system that utilizes a dual heatpipe heatsink for silent operation. Indeed even with over 50°C ambient and at full load the cooling fan worked silently enough, at...

By techPowerUp! on April 27, 2011

The Zalman Zm850-HP 850W PSU is now one of the higher-end models from Zalman as the only thing bigger and better is the 1000W version in this series. Some people may think that they have more gear than an 850W PSU can handle, but if you buy a good...

By BCCHardware on December 23, 2010

Zalman have done a nice job with the aesthetics of this power supply. The outer casing is solid black with a rugged textured paint job. All of the modular cables are covered in a nice black mesh that has ample flex around the connectors. There are...

By OverClock Intelligence Agency on January 25, 2011

The new Zalman ZM850-HP Plus disappointed us. It failed our tests by presenting a voltage below the minimum allowed on its +3.3 V output. On the other hand, noise and ripple levels were always low.Efficiency was between 82.6% and 86.9%, which is the...

By Hardware Secrets on January 14, 2011

A nova Zalman ZM850-HP Plus nos desapontou. Ela foi reprovada em nossos testes por apresentar uma tensão abaixo do mínimo permitido em sua saída de +3,3 V. Por outro lado, os níveis de oscilação e ruído foram baixos...

By Clube do Hardware on January 24, 2011