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Home » Power
Kingwin Mach 1 ABT-700MA1S 700 W Power Supply Review
Author: Gabriel Torres
Type: Reviews Last Updated: October 2, 2008
Page: 2 of 11
Introduction (Cont’d)
Hardware Secrets Silver Award

As you could see in the previous page, this power supply uses a big 140 mm sleeve bearing fan on its bottom and a big mesh on the rear side where traditionally we have an 80 mm fan. We like this design as it provides not only a better airflow but the power supply produces less noise, as the fan can rotate at a lower speed in order to produce the same airflow as an 80 mm fan.

This power supply does not have active PFC, so it can’t be sold in Europe, and because of that it also doesn’t feature auto voltage selection (see the 110/220 V switch in Figure 1). Super Flower, however, offers a model targeted to the European market. Kingwin says this unit has 70% minimum efficiency, so we had low expectations regarding efficiency, as with good power supplies the manufacturer will guarantee an 80% minimum efficiency. Of course we will measure efficiency during our tests.

The main motherboard cable uses a 20/24-pin connector and this power supply has one ATX12V connector and one EPS12V connector using separated cables and coming directly from inside the power supply.

The power supply modular cabling system has six sockets, two for video card auxiliary power connectors and four for peripheral and SATA power connectors.

Kingwin Mach 1 ABT-700MA1S / Super Flower Aurora 700 W
click to enlarge
Figure 5: Peripheral power connectors.

This power supply comes with six peripheral power cables: two auxiliary power cables for video cards, each one with one 6-pin connector and one 6/8-pin connector; two cables with three SATA power cables each; one cable with four standard peripheral power connectors and one floppy disk drive power connector; and one cable with four standard peripheral power connectors.

The number of connectors provided by this power supply is enough even for the most demanding user, although we don’t like the way the video card power connectors are achieved. Even thought this power supply has four video card power connectors, they are connected together in two cables instead of using four separated cables (this configuration would require the power supply to have more sockets on its modular cabling system). So for a better power distribution use separated cables instead of using the two connectors provided on one of the cables if you have two video cards.

On this power supply all wires are 18 AWG except the orange wire (+3.3 V), which is 20 AWG (i.e., thinner). It would be nice to see all wires being 18 AWG or thicker.

On the aesthetic side the manufacturer used nylon sleevings on all cables and on the cables that come from inside the unit these protections come from inside the power supply housing.

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

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