Drive failed / degraded on the QNAP TS-453D

Source: Reddit r/homelab — NAS troubleshooting Confidence: 60% Verified Aug 9, 2026

A drive in the array has failed or the volume is degraded, risking data loss.

How to fix Drive failed / degraded

Identify the failed drive

Check the NAS status page to identify the failed drive and its bay.

Source: Reddit r/homelab — NAS troubleshooting Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 5 min

Replace the drive

Replace the failed drive with a compatible one and rebuild the storage pool.

Source: Reddit r/homelab — NAS troubleshooting Confidence: 60% Verified Aug 9, 2026

Difficulty: ★★ Est. 30 min

Parts needed: QNAP TS-464 SSD Cache, QNAP TS-453D SSD Cache

Replacement parts for the QNAP TS-453D

QNAP TS-464 NAS Drive QNAP TS-464 SSD Cache QNAP TS-464 RAM Module QNAP TS-453D NAS Drive QNAP TS-453D SSD Cache QNAP TS-453D RAM Module QNAP TS-453D Power Supply QNAP TS-453D Drive Caddy

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