{
  "slug": "ftl",
  "term": "Flash translation layer (FTL)",
  "aliases": [
    "FTL"
  ],
  "definition": "Firmware in an SSD that maps logical block addresses to physical NAND pages and handles garbage collection.",
  "note": "",
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "related": [
    "ssd",
    "nand-flash",
    "garbage-collection",
    "wear-leveling",
    "zns"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "c1",
      "title": "Flash file system",
      "url": "https://en.wikipedia.org/wiki/Flash_file_system",
      "accessed": "2026-03-26"
    }
  ]
}