Secure short-depth QNAP storage systems in cabinets where standard rails do not fit cleanly. The RAIL-S02 is built for 1U, 2U, and 3U QNAP rackmount models, including TS-853DU-RP, TS-1253DU-RP, TS-873AU-RP, TS-873AU, TS-1264U-RP, and TS-1273AU-RP. It supports rack-post depths from 8 to 13 inches, giving infrastructure teams a practical mounting option for compact enclosures and edge deployments. For procurement teams, the value is straightforward: this rail kit is matched to short-depth QNAP hardware instead of forcing a generic fit. That means cleaner installation, better mechanical support, and fewer compromises when deploying NAS systems in shallow cabinets or mixed-depth racks. It is a purpose-built accessory for environments where rack space is constrained and service access still matters. Use it when you need to mount supported QNAP systems securely without overextending rails or improvising with third-party hardware. The result is a more controlled installation path for storage appliances that need to stay accessible, aligned, and ready for maintenance.