These are still $330+ from Micron https://www.ebay.com/itm/64GB-DDR4-2666Mhz-LRDIMM-Memory-TSV-Intel-Skylake-Xeon-Scalable-AMD-EPYC-CPU/202661553073
Maybe they're worth the no-name brand gamble with ebay warranty backing them up. The seller has over 23k sales and 99.8% positive ratings so most modules must be working.
Someone has qty of Samsung's for $302 ea https://www.ebay.com/itm/NEW-64GB-Samsung-M386A8K40CM2-CTD7Y-4DRx4-PC4-2666V-DDR4-21300-LRDIMM-Memory-LOT/183867466052
Maybe they're worth the no-name brand gamble with ebay warranty backing them up. The seller has over 23k sales and 99.8% positive ratings so most modules must be working.
Someone has qty of Samsung's for $302 ea https://www.ebay.com/itm/NEW-64GB-Samsung-M386A8K40CM2-CTD7Y-4DRx4-PC4-2666V-DDR4-21300-LRDIMM-Memory-LOT/183867466052