Best QNAP TS-h3087XU-RP-E2378-64G 528TB (Seagate Exos) - 30-Bay 4U rackmount NAS; Intel Xeon E-2378 8 cores / 16 threads 2.6 GHz processor (boost up to 4.8 GHz); 64 GB ECC DDR4; 24 x 2.5/3.5 SATA 6Gbps HDD/SSD + 6 x 2.5 SATA 6Gbps; 2 x 10GBASE-T; 2 x 2.5GbE; 4 for Business