Articles: Cases/PSU

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InWin IP-P350GJ2-0 (350W)

Despite its looking exactly like the above-discussed AQ series, I’m reviewing this PSU separately. Its different letter index must mean something.

The IP-P350GJ2-0 comes in three versions: a PSU alone, a boxed version (differs from the previous version in having a power cord, a user manual, and four screws included with it), and in an InWin system case.

As for minor differences, the PSU doesn’t have an input voltage switch as it only supports an input voltage range of 200-240V. It also has a protruding fan grid – not quite comprehensibly because it is recessed in the other series of InWin PSUs. The protruding grid may prevent you from installing the PSU into some system cases. It is simple to reinstall the grid, but the PSU is sealed with a sticker. If the PSU fails and the sticker is damaged, you may have problems with the warranty department.

There’re a few differences from the AQ series on the inside, too, but they only concern some of the components employed and the placement of the elements on the PCB. The circuit design is overall the same. This is a PSU without power factor correction (although it allows for an installation of a passive PFC device) and with joint voltage regulation. The PSU uses a UC3843B PWM-controller and an ICE2A0565Z-based standby source.

The PSU seems to have lower mounting density than the AQ series, but that’s only an illusion created by the smaller heatsinks of the GJ model. These are simple aluminum bars with “fingers” at the top. Well, it is no good to come to any conclusion about the cooling efficiency judging by the appearances only.

The total output power being 350W, the allowable load on the +12V rail is 300W (25A). This is higher than in the IP-P350AQ2-0 and fully compliant with the ATX12V 2.0 standard. The power rail is divided into two virtual output lines.

The PSU is equipped with the following cables and connectors:

  • Mainboard cable with a 20+4 connector (36cm)
  • CPU cable with a 4-pin connector (37cm)
  • Cable with two Molex connectors and one mini-plug for a floppy drive (25+15+15cm)
  • Cable with two Molex connectors (43+14cm)
  • Cable with two SATA power plugs (42+15cm)

The cables are tied up with nylon straps.

As you may have guessed, I’m going to complain about the shortness of the cables (I can remember that in InWin’s own system case – the rather large X710 model – the native PSU’s cables were not even long enough to reach for the HDDs located in the HDD cage!) and the lack of SATA connectors that are also placed on a single cable (in other words, you’ll have to use adapters if you’ve got one HDD and one optical drive because there is usually more than 15cm of distance between their power connectors in a normal system case).

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