24X3.5 ” +2X2.5 ”. Hard disk backplane Supermicro H12SSL-i Motherboard With AMD EPYC 7402 2.8GHz 24Cores CPU,512GB RAM. Supermicro H13SSL-N With AMD EPYC 9654 CPU，8x 16GB 4800MHz DDR5 RAM，1x 4U Cooler.
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