Performance (40% of the final score) - should we get some scoring done? Let's do it. First, the efficiency. We hit Gold both times, so that'll mean no deduction from a perfect score. Next, voltage regulation. The unit managed an average of 2.3%, which is a step down from my excellent bracket, so that'll mean a half point deduction. A further half point shall be removed for ripple control, as the 12V rail didn't quite keep it down to the point the minor rails did. That gives us a score of 9.
Functionality (20% of the final score) - there is going to be a half point deduction right off the top for only being semi-modular. It's 2014, people... fully modular units are no longer as hard to find or as expensive as they used to be. Another half point comes off for the ratio of SATA connectors to 5.25" Molexes. I would prefer a few more SATA connectors. A full point comes off for the total lack of a manual. And finally, another full point comes off for promising a fanless mode and power off fan delay we didn't get. Otherwise, I love the ribbon cabling and the right angled pass through Molexes, and at least we still got a blue LED fan. 7.
Value (20% of the final score) - MSRP on this unit is $130. Heading over to Newegg, we find competing units in the likes of the Inwin Commander III 800W for ten bucks cheaper while the Corsair RM750 is the same price. And you know what? In the past, I'd have almost gone with Corsair by default, but now we need to consider the fact that this unit uses slightly better capacitors and comes in a housing a little shallower. Yeah, the Corsair is fully modular, but is that really the only reason to choose it over this one? I'm thinking probably not. So, I'll do a 9 here.
Build Quality (20% of the final score) - half a point off for the second tier capacitors, half a point off for soldering I had to touch up before putting the unit back together. That's all... the rest of the unit is pretty good, as has usually been the case for a CWT build. 9.
Deepcool's new to the power supply market, so I expected some hiccups in the Quanta 750's journey here today. However, these all manifested in relatively harmless ways; like the lack of the advanced fan control modes promised, too many Molexes, not enough SATA connectors, and a missing user guide. The DQ750 is as worthy a first attempt at a power supply as any I have ever seen. Deepcool wants to do power supplies properly, people, if this unit is any indication.
no problem passing forty degrees at full power
excellent minor rail ripple suppression
very good voltage regulation and 12V ripple handling
right angle Molexes
no semi-fanless operation as promised by the website
no fan delay on power off as as promised by the box
not enough SATA connectors
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