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They listed the product on Tmall, the model will probably only appear on the Acasis overseas facing official website later when they are ready to sell outside.
There are loads of product pictures and I am only capturing the important ones.
Somehow they list the JHL7440 controller in conjunction with RTL9210B.
The chassis is not that much bigger than the passively cooled original, there are of course vents and holes for air flow.
A small button next to the TB port is a fan on/off switch.
Their Tmall shop is having a promo now, this TBU-405 Pro is selling at RMB 684.
Toolless TBU-405 at 649.
Regular (screwed) TBU-405 at 599.