{
  "slug": "pseudo-slc",
  "term": "Pseudo-SLC (pSLC)",
  "aliases": [
    "pSLC",
    "SLC mode"
  ],
  "definition": "Operation of multi-bit-capable NAND in one-bit-per-cell mode, trading storage density for single-bit behavior.",
  "note": "This operating mode is not proof of native SLC media. Swissbit's 2020 EN-26 announcement specifies a full pSLC configuration, rather than only a transient write cache. The mode and the cache role are different concepts. Endurance and retention still require product-specific evidence. [slc-swissbit] [slc-swissbit-full]",
  "status": "shipping",
  "advantages": [
    {
      "text": "Allows supported multi-bit NAND to use single-bit programming.",
      "citationIds": [
        "slc-swissbit"
      ]
    }
  ],
  "limitations": [
    {
      "text": "SLC-like operation does not establish a universal endurance multiplier.",
      "citationIds": [
        "slc-swissbit"
      ]
    }
  ],
  "related": [
    "slc",
    "slc-cache",
    "mlc",
    "tlc",
    "qlc"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "slc-swissbit",
      "title": "Swissbit - Storage technology, pSLC Mode and Powersafe sections",
      "url": "https://www.swissbit.com/en/technology/storage-technology/",
      "accessed": "2026-10-16"
    },
    {
      "id": "slc-swissbit-full",
      "title": "Swissbit - EN-20 and EN-26 announcement, 6 August 2020, page 1 (full pSLC mode)",
      "url": "https://www.swissbit.com/files/public/press_news/Press_Releases/2020/2020-08-06_Miniaturized_highly_reliable_PCIe_M.2_BGA_SSD_for_ultra-small_industrial_applications_EN.pdf",
      "accessed": "2026-10-16"
    }
  ],
  "updated": "2026-10-16"
}