{
  "slug": "u2",
  "term": "U.2 / U.3",
  "aliases": [
    "SFF-8639",
    "U.2 SSD"
  ],
  "definition": "Enterprise SSD bay and connector family derived from SFF-8639, supporting NVMe and legacy SAS/SATA pinouts in U.3.",
  "note": "",
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "related": [
    "nvme",
    "enterprise-ssd",
    "edsff"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "c1",
      "title": "SFF-8639",
      "url": "https://en.wikipedia.org/wiki/SFF-8639",
      "accessed": "2026-03-26"
    }
  ]
}