Review: Corsair CX430
Published by Marc Büchel on 15.11.12Delivery and Specifications
Delivery |
|
| Cable | Length |
| 1 x ATX 24 pin | 60 cm |
| 1 x EPS/ATX 12V 4+4 pin | 60 cm |
| 1 x PCI-E 6+2 pin | 60 cm |
| 2 x 2 SATA | 55 cm |
| 3 x 4 pin Molex + 1 x Floppy | 85 cm |
Included in the delivery you find everything that's needed to put this power supply to good use. As you can see from the picture below the Corsair CX430 isn't a modular PSU, all the cables have been soldered directly to the motherboard inside of the block. For a power supply that offers 430 Watts of continuous outpout power the number of connectors is ok. What we do not understand is why Corsair equipped the CX430 with only one 6+2-Pin connector. We don't know any graphics card which gets it's power from one single 8 Pin connector. Usually you find either one 6 pin, two 6 pin, one 6 pin and one 8 pin or two 8 pin connectors on todays graphics cards. Furthermore we would have loved to see at least two more SATA connectors. It happens quite often that people use a PSU with this kind of wattage to power their home file server. If they want to use a Corsair CX430 PSU they must use adaptors to power more than four SATA drives.
Specifications |
|||
| Voltage | Current | Power | |
| + 3.3 V | 20 A | 120 Watt | 430 Watt (Total) |
| + 5.0 V | 20 A | ||
| + 12 V1 | 28A | 336 Watt | |
| - 12 V | 0.8 A | 9.6 Watt | |
| + 5 Vsb | 3 A | 15 Watt | |
The CX 430 Watt has been 80Plus certified, which means that this PSU is able to reach a maximum efficiency above 80 percent. Furthermore this PSU complies with ErP guidelines (Energy Rated Product) and therefore it consumes less than 1 Watt when an attached system is powered off or in standby. Following we show you the feature list, which is quite long with this product.
Corsair's CX430 is a CWT OEM power supply. The first hint for a high-quality power supply you can get from the transient filtering stage. It is recommended to use two ferrite coils, two ceramic capacitors (Y caps), one metalized polyester cap (X cap) and one metal oxide varistor (MOV). If you have a very low-end PSU lying in front of you, you'll see that the MOV and the first ferrite coil are missing. A closer look at the CX430 reveals that it has been built according to the recommendations we've just mentioned.
On the primary side you find a GBU806 rectifyer which doesn't come with a heatsink attached. Usually this chip features a heatsink and in this case it has been certified to operate at up to 8A at 100°C. In this case the manufacturer of this part has no data online which tells us how many amps can be covered at which temps. Right next to the rectifyer you can find a doughterboard housing the active PFC. In this case you get a typcial CM6800 combination. There are two MOSFET's taking care of the intermediate DC voltage by generating constant puls sequences. After that there comes the APFC cap from Samxon which is smoothening the pulses. The specs for this cap are 180μF at 85°C and 400 Volt. Looking for the primary switches you're going to find two AOTF10N60 MOSFETs.
On the secondary stage there are four Schottky rectifyer, which have all been
attached to the same heatsink. Two of these rectifyers take care of the 12 Volt
rails and one rectifyer each has to cope with the 5 Volt and the 3.3 Volt rail.
Furthermore there is another chip with the writing ST9S429 which is in charge of
monitoring. Basically this is a relabled S3515 chip which is taking care of OVP,
UVP and OCP. This chip offers two +12 Volt OCP channels but in this case only
one channel is being used, which makes this a single-rail PSU. Digging even
deeper we find electrolyte caps from Teapo and Samxon rated at 105°C.
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