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i got the ICE BOX IB-2811M-TB3 which was connected by a short (30cm) thunderbolt3 cable and installed a Patriot VIPER (VPN100-2TBM28H PE000613), which was connect to my late 2017 iMac. (40gbit/s Thunderbolt3)
Issues: the NVME storage has a cooling block installed (see above)- the icebox case cannot closed as designed with the supplied cover.
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