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INSIDE DP PRO 10 550W
The casing is an unusually complex clamshell design made of sturdy steel sheeting,
with good fit and finish. As mentioned earlier, there are rubber bumpers on
either end. The logo decal on the side is raised and feels like it's been specially
embossed. A neat illusion.
The rubber bumper on the back panel was easily pried off, but the
one on the opposite side was affixed with double-sided tape. The shape
of the casing is complex, not two simple 3-sided clamshells.
The wire intake grill is part of a plastic piece that clips and screws
onto the sheet metal of the casing. Notice all the little screws? In
the end, it's still a 2-part U-shaped clamshell chassis.
The first visual impression is one of a somewhat cluttered and packed
interior, and a fairly large PCB for the power rating. There is more point-to-point
wiring than seen in many recent modular PSUs; this is a source of potential
wiring and soldering faults, though none were seen in a casual examination.
As with most 80 PLUS Gold or Platinum efficiency PSUs, the heatsinks are
small. Daughter boards abound.
Here you can see the SPI label on the main transformer, which belies the
PSU's Fortron / Sparkle origins. The main caps are Matsushita/Panasonic
(220µF each, 105°C, 450V). Most other caps look like Capxon
and Nippon Chemi-Con.
The 135mm Fluid Dynamic Bearing fan looks very similar to the one on the
bequiet! Dark Rock 2
heatsink we reviewed a few weeks ago, the biggest differences being that
this one is a straight 2-wire voltage motor while the other is PWM, and
the 1500rpm rating is 200rpm higher than that on the heatsink. Good basic
geometry for low tonality, a fairly large hub — the truth is, these
details often don't seem to matter much, as I've seen much less promising
fans do fine; the end result is invariably tied up with the speed controller's
behavior.
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There was a mention during the meeting with company reps at Computex that special
effort was made to reduce high frequency noise (the dreaded electronic whine)
by using a plastic capactor in the PFC stage. One other nicety: The thermal
controller which feeds the four headers for external fans is apparently separate
from the controller which controls the built in fan, so there's no chance that
a fan-loving user could overload and burn out the internal fan controller.
OUTPUT CABLES
The output cables are all nicely sleeved, generally long enough for bottom
positioning of the PSU in a large ATX case. A detailed diagram of the cables,
the connectors and the lengths is provided on the box, as well as on their website.
A couple of the cables are worthy of special metion: Two cables, each with a
single SATA or IDE power connector, half a meter long. Those would come in real
handy in some of my builds. Ditto the long cable with two SATA, two IDE and
a floppy drive power connector.
An amazing number of cables for a relatively modestly rated PSU.
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