The Buffalo LinkStation 220 only accepts 3.5-inch SATA drives

The LinkStation 220 is the most restrictive NAS in this batch — it supports 3.5-inch SATA HDDs and nothing else. No 2.5-inch drives, no SSDs, no NVMe. If you’re looking to repurpose an old 2.5-inch drive, this isn’t the NAS for it.