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Home » Power
Zalman ZM770-XT Power Supply Review
Author: Gabriel Torres
Type: Reviews Last Updated: December 15, 2009
Page: 1 of 10
Introduction

Zalman ZM770-ZT is a 770 W power supply featuring modular cabling system and a heatpipe to cool down the components from the secondary. Let’s see if this is a good unit.

Traditionally power supplies from Zalman are manufactured by FSP, but this particular unit is manufactured by Enhance Electronics.

The power supply glows blue when turned on, thanks to four LED’s placed on the heatsinks.

Zalman ZM770-XT power supply
click to enlarge
Figure 1: Zalman ZM770-XT power supply.

Zalman ZM770-XT power supply
click to enlarge
Figure 2: Zalman ZM770-XT power supply.

Zalman ZM770-XT is a long power supply, being 7 1/8” (180 mm) deep, using a 140 mm fan on its bottom and active PFC circuit, of course.

The reviewed power supply features a modular cabling system. Three cables are permanently attached to the power supply (main motherboard cable, EPS12V/ATX12V and six-pin video card power cable) using thick 16 AWG wires and thick nylon sleevings. These cables are 18 7/8” (48 cm) long. The cables from the modular cabling system are flat using 18 AWG wires and measure 19 ¾” (50 cm) between the power supply and the first connector and 5 ¾” (14.5 cm) between connectors.

The cables included are:

  • Main motherboard cable with a 24-pin connector (no 20-pin option).
  • One cable with two ATX12V connectors that together form one EPS12V connector.
  • One auxiliary power cable for video cards with one six-pin connector.
  • One auxiliary power cable for video cards with one six/eight-pin connector.
  • Four SATA power cables with three SATA power connectors each.
  • Two peripheral power cables with three standard peripheral power plugs each.
  • One adapter to convert one peripheral power plug into two floppy disk drive power connectors.

ZM770-XT comes with an impressive number of SATA power connectors, but we don’t understand why Zalman only put two video card power connectors on this unit. Users looking for a power supply on this power range will certainly run SLI or CrossFire configurations, and this unit doesn’t provide direct support for two video cards that require two power connectors each (e.g., two GeForce GTX 260). The only way you have to install two video cards with two power connectors each is by installing adapters on the peripheral power plugs, which is far from being the ideal solution, especially when we are talking about a power supply that costs almost USD 200.

Zalman ZM770-XT power supply
click to enlarge
Figure 3: Cables.

Now let’s take an in-depth look inside this power supply.

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