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MSI are using a 135mm ZETA ZIC fan in this unit – Model ZFF132512H rated 12V and 0.45A. Unlike the 1600 Watt Ai1600T, this unit adopts a high grade Fluid Dynamic Bearing fan which is good to see for long term life and reduced noise. We don't often see ZETA fans in the units we have reviewed in the last few years, but the fan seems pretty high quality for those interested.
The more observant of you will notice that there is a clear plastic strip around the outer edge of the fan to help direct airflow to specific areas on the PCB and components below.
As mentioned earlier in the review, this is a CWT OEM part based around their CTE platform. The design incorporates a lot of high quality parts throughout – specifically the the capacitors and FETs. Soldering quality looks pretty good throughout as well.
This PCB is significantly smaller than the one inside the MSI Ai1600T unit we reviewed a short while ago. There are multiple heatsinks inside to help remove excess heat, which would be needed more in this unit than a Platinum or Titanium rated design.
This is a semi digital platform , with the digital controller handling the primary side and part of the secondary side too. A fully digital platform would cost a lot more, so this is why it is semi digital. The transient filter is 2x X Caps, 4x Y caps, 2x CM Chokes, and 1x MOV. The main capacitor is a 105c rated Rubycon MXE unit, rated 420V and 820uF output.
The PSU has OCP/OTP/OPP/SCP/OVP/UVP/SIP and NLO protections in place. Like the last MSI unit I tested, i am quite surprised again to see a lack of fan failure protection.
