Cheap even by US standards. No drive trays, but I think at this price, doesn't matter. Backplanes are SAS2 (there was never a SAS1 version). They're even taking offers (though good luck with that if they get a ton at once).
Supermicro CSE-847 45x 3.5" HDD Bays Chassis, 2x PSU, No Main Board_ | eBay
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