Build Your Own 100TB NAS in 2025: Complete TrueNAS Storage Guide
Quick Answer Building a 100TB NAS in 2025 is easier and cheaper than ever. Here’s what you need: Operating System: TrueNAS SCALE (Linux-based, Docker support, actively developed) Drives: Eight 18-22TB CMR enterprise drives (Seagate Exos X20, WD Ultrastar HC560, or Toshiba MG series) Motherboard: Supermicro X12STH-F with IPMI, 8 SATA ports, and ECC support CPU: Intel Xeon E-2300 series or AMD Ryzen 5 5600G RAM: 32-64GB ECC DDR4 HBA: Broadcom LSI 9300-8i flashed to IT mode Network: 10GbE SFP+ for serious throughput Total Cost: Around $2,500-3,500 for 100TB usable storage This build costs roughly $2,500 upfront and saves you thousands compared to cloud storage or pre-built NAS boxes over five years. ...