{
  "slug": "ramac",
  "term": "IBM RAMAC",
  "aliases": [
    "305 RAMAC",
    "350 disk storage"
  ],
  "definition": "The first commercial moving-head disk storage product, shipped with the IBM 305 RAMAC system.",
  "note": "",
  "status": "eol",
  "advantages": [],
  "limitations": [],
  "related": [
    "hdd"
  ],
  "supersedes": [],
  "supersededBy": [
    "hdd"
  ],
  "firstSeen": {
    "date": "1956",
    "citationIds": [
      "c1"
    ]
  },
  "lastSeen": null,
  "citations": [
    {
      "id": "c1",
      "title": "IBM 350 disk storage unit",
      "url": "https://www.ibm.com/history/ibm-350-disk-storage-unit",
      "accessed": "2026-03-26"
    }
  ]
}