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FEATURE HIGHLIGHTS
|
Feature Highlights of the Antec TruePower 2.0 430 (from
Antec's
web site)
|
| FEATURE & BRIEF |
COMMENT |
|
Single 120mm low noise fan
|
The most common design. |
| Dual 12V outputs,
for stability and safety |
Required by ATX12V 2.x. |
|
True Spec noise level of 21.3 dBA measured at an independent lab
using ISO 7779 standard
|
The operator seated position SPL is the only dB measurement in ISO 7779; where is the rest? I.e., sound power measurements? |
|
ATX12V 2.01 compliant. 24-pin main power connector with detachable
4-pin section for universal motherboard compatibility
|
Almost all power supplies
on the market are now compliant with ATX12V 2.x. |
|
4 Serial ATA connectors
|
Enough for almost any
system. |
| PCI Express graphic
card power connector |
Common on most brand-name
power supplies. |
|
Dedicated output for more stability and less ripple noise
|
More electrical isolation
between the various voltages, so that what happens on one voltage line doesn't
affect the others. |
| Feedback circuits for tighter
load regulation (±3%) to maintain accurate voltage to all components |
ATX12V 2.x requires ±5%
regulation, |
| Industrial-grade protection
circuitry prevents damage resulting from short circuits, power overloads,
excessive current, excessive voltage, excessive temperatures |
All standard except for
over-temperature protection. |
| Fan Only
power connectors allow True Power to control case fan speeds, reducing
total system noise |
A simple
way to undervolt system fans... and increase their speed when the system
is under load. |
| Gold plated connectors
for superior conductivity |
Must be mated with gold
connectors to be effective. |
Notable features include tighter than usual voltage regulation and "Fan
Only" power connectors. Also of note is the way that the noise is specified.
By using an independent lab and an internationally recognized standard for their
measurements, Antec has done a lot to ensure that their noise specification
is honest and accurate. One small bone to pick: According to The
Silent PC, the
correct standard for declaring PC noise is ISO 9296 because
it corrects for uncertainty in the measurement process; ISO 7779 (which Antec
has used) is meant as a standard for measurement only.
OUTPUT SPECIFICATIONS
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SPECIFICATIONS: Antec TruePower 2.0 430 (from Antec's
web site)
|
|
AC Input
|
115/230 VAC / 47~63 Hz
|
|
AC Input Current
|
10.0A @ 115VAC / 5.0A @ 230VAC
|
|
DC Output
|
+3.3V
|
+5V
|
+12V1
|
+12V2
|
-12V
|
+5VSB
|
|
Maximum Output Current
|
28A
|
35A
|
17A
|
17A
|
1.0A
|
2.0A
|
|
Maximum Combined
|
410W
|
12W
|
10W
|
|
430W
|
As expected of a modern power supply, most of the current is available on the
+12V rails. There's enough capacity here for almost any system, SLI or Crossfire
included.
No combined maximum for the +3.3V and +5V rails is given, which means they
are probably regulated separately. Antec refers to this as "dedicated output".
The practical benefit of this arrangement is that the individual voltage rails
are well isolated, so what happens on one rail has less effect on the the other
rails, which in turn leads to a more stable power supply.
This circuit design is also what allows Antec to declare the tighter ±3%
voltage regulation. The +3.3V rail in particular is often the least well-regulated
voltage, and, thanks to its low voltage, it is also has the least tolerance
for variance. 3% of 3.3V is 0.1V, while 3% of 12V is 0.36V, so there is much
less room for error. By regulating it separately from the other rails, Antec
can guarantee tighter tolerances on all rails.
The operating temperature for the TruePower 2.0 is 0 to 50°C, which means
it can be expected to perform well even in a poorly ventilated case. Chances
are, it could even survive as the primary (or only) source of system airflow,
although this would most likely have a poor impact on system noise.
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|
